Two things have happened to power electronics test benches over the last few years, and neither of them has been kind to the equipment already sitting in the rack.

The first is voltage. EV platforms have moved to 800 V architectures. Utility-scale PV strings and battery energy storage systems routinely sit at 1500 V DC and climb from there. Most precision power analysers on the market top out at 1000 V direct input, which means the moment your DC bus exceeds that, you’re bolting an external voltage divider onto the front of the instrument. That divider brings its own amplitude error, its own phase shift, its own temperature coefficient — and every one of those errors stacks on top of the analyser’s own uncertainty. You end up quoting an efficiency figure to three decimal places that your measurement chain can’t actually support.

The second is channel count. A dual-inverter e-Axle needs DC bus, two three-phase AC outputs, and mechanical power from two motors — measured simultaneously, on the same time base. A multi-string PCS needs a measurement point per string plus the grid side. Meanwhile the rack itself hasn’t grown. Every rack unit an instrument occupies is a rack unit unavailable to the power supply, the load bank, or the ScopeCorder.

The Yokogawa WT1500 Precision Power Analyzer was designed around both problems at once.

What the WT1500 actually does differently

Released in August 2026, the WT1500 is the newest member of the WT series and the first to offer 2000 V direct input. It sits in a 2U (approximately 88 mm) JIS/EIA rack-mount chassis, and inside that chassis you can fit up to four power measurement elements and up to four motor evaluation channels.

The headline number is ±0.038% total power accuracy at DC and at 50/60 Hz. That figure is the sum of the two accuracy terms Yokogawa specifies: ±0.018% of reading plus ±0.02% of range. Read that way it tells you something useful — the range term dominates when your signal sits low in the range, so range selection still matters, but at or near full range you’re working with a genuinely reference-class instrument. For context, within Yokogawa’s own line-up the WT1500 is specified tighter at DC than both the WT5000 (±0.07%) and the WT1800R (±0.1%).

Low power factor performance is where efficiency measurements usually fall apart, and the WT1500 holds ±0.07% of apparent power at 50/60 Hz with a power factor of zero. That’s the specification that governs no-load inverter testing and standby loss measurement, where the active power component is a small fraction of the apparent power flowing.

Choose your elements: high voltage or wide bandwidth

The WT1500 doesn’t force a single compromise on you. Each input element is specified at order time as one of two types, and you can mix them freely within one chassis.

HV (High Voltage) elements take direct measurements up to 2000 V, with voltage ranges of 6 / 15 / 30 / 60 / 150 / 300 / 600 / 1000 / 2000 V at crest factor 3. Frequency band runs DC to 300 kHz typical. This is the element for battery packs, DC links, PV strings and ESS DC buses.

WB (Wide Bandwidth) elements cover ranges to 1000 V with a DC to 2 MHz typical frequency band. This is the element for SiC and GaN converter work, fast-switching inverter stages, and anywhere the harmonic content of the switching waveform genuinely matters to your loss budget.

A typical PCS evaluation configuration might be three WB elements and one HV element — three-phase AC on the wideband inputs, high-voltage DC on the HV input, in a single 2U box. That combination is ordered as a WT1504-10-WB3-HV1.

Both element types share the same acquisition front end: 16-bit resolution, 2.5 MS/s sample rate, with voltage and current converted simultaneously so there’s no inter-channel skew to correct for.

Built for the rack, not the bench

Where the WT1500 separates itself from general-purpose power analysers is in how it expects to be operated — which is to say, mostly not by hand.

The front panel carries a small 2.9-inch monochrome LCD and a handful of control keys. That’s deliberate. Real operation happens through the built-in web server (browser-based control and monitoring over Ethernet), through the free WTViewerEfree PC software, or through direct communication commands over Ethernet or USB. If you do want a local display, a USB-C port drives an external monitor at 1280 × 720, and connecting a touchscreen gives you full touch control of the menus.

For data out, the instrument speaks the languages an automated test system actually uses:

• CAN / CAN FD (the /CN1 option) streams measurement data straight onto the vehicle bus at each update interval — up to 512 items depending on bit rate — for direct integration with ECU and control systems.
• Low-latency UDP provides continuous real-time measurement data for closed-loop control and fast anomaly detection.
• Modbus/TCP server suits long-duration monitoring on industrial pump and fan rigs.
• IEEE 1588 (PTP v2) time synchronisation timestamps WT1500 data against compatible instruments — including the SL2000 ScopeCorder — to roughly ±10 µs, so power values and captured waveforms line up on one timeline.
• Standard Ethernet services include VXI-11, Socket, HiSLIP, FTP and web server over 1000BASE-T.

Auto-setup functions handle production-line signal variation without an operator standing over the instrument: 10 ms data updates, automatic frequency tracking, adaptive filtering, and measurement down to 0.1 Hz.

Twenty channels when four isn’t enough

When one chassis runs out of inputs, the /SY1 multi-unit synchronisation option links up to four sub-units to a main unit over optical fibre (SFP transceivers, up to 300 m). That gives you 20 power channels and 20 motor channels in one synchronised system, with ±400 ns synchronisation accuracy between units.

Critically, it behaves as one instrument. The main unit configures ranges, filters, scaling and wiring on every sub-unit, collects all normal and harmonic measurement values plus compressed waveform data, and saves the whole system’s setup in a single file. Data from sub-units feeds directly into the main unit’s efficiency calculations and user-defined computations.

Please note: Yokogawa has stated the /SY1 option will be released later, and can be added to a purchased unit via an option upgrade licence. If multi-unit synchronisation is on your critical path, talk to us about current availability before you commit to a delivery date.

Motor evaluation — encoder and resolver, mixed freely

Five motor evaluation options are available, and you select one at order time:

The instrument computes rotating speed, torque, synchronous speed, slip and motor output alongside the electrical measurements. Resolver channels carry a 1 MHz typical bandwidth on the carrier, sine and cosine inputs, with electrical angle measurement error of ±0.1° typical and a maximum display of 150,000 rpm. Built-in Ld/Lq calculations support vector analysis of permanent magnet synchronous motors.

Because encoder and resolver channels can be mixed in one instrument, a test cell running two different motor types doesn’t need two different analysers.

Where it earns its keep

Power conditioning systems and energy storage. Multi-string PCS architectures above 1500 V need many measurement points at high accuracy. The 2000 V HV element removes the external divider from the chain, and multi-unit synchronisation scales the channel count to match the string count.

Data centre and EV fast-charger power supplies. AC/DC conversion efficiency measured input-to-output in a single unit, with the WT1500 holding specification across 1% to 130% of range — which matters when the load is dynamic rather than steady-state.

EV powertrain and e-Axle efficiency. Simultaneous DC, three-phase AC, torque and speed acquisition across multiple power paths, with results streamed onto CAN FD for the control system.

Industrial motor duration testing. Long-term watt-hour and ampere-hour integration on inverter-driven pumps and fans, monitored over Modbus/TCP.

Ordering the WT1500 — and the part people get wrong

The WT1500 is a configured instrument, not a shelf item, and the model code carries real consequences. You select the number of elements (WT1501-10 through WT1504-10), the HV/WB split within those elements, the installation type (-BN benchtop, -RE EIA rack, -RJ JIS rack), menu language, power cord, and then the additional options: /M1 32 GB memory, one motor evaluation option, /SY1, and /CN1.

The single most important thing to understand before you order: the WT1500 has no direct current input. All current measurement is made through a Yokogawa current sensor or clamp probe, and those are sold separately. The instrument provides sensor power and supports automatic sensor recognition with ratio and phase compensation for compatible models, but the sensor itself is a separate line on the order. Sensor options run from the CT60 (60 A peak, DC to 800 kHz) through the CT1000A and CT1000S split-core (1000 A) to the CT2000A (2000 A RMS), plus AC clamp probes. Getting this wrong is the difference between an instrument that works on day one and one that sits in its box.

For Australian sites, specify the -R (AS Standard) power cord. And if you’re measuring above 1000 V on an HV element, you’ll need the 758932 high-voltage safety terminal adapter set together with appropriately rated cable.

Why buy your WT1500 through us

We supply and support Yokogawa test and measurement equipment to Australian labs, OEMs and production facilities, and we’ll work through the model and suffix code with you before anything is ordered — element mix, motor option, rack format, sensor selection and cable set — so the instrument that arrives is the one your test plan actually needs.

Every instrument ships with the manufacturer’s calibration certificate, and we can arrange ongoing calibration through our service partners. Our team can talk through channel-count planning, sensor pairing, and integration questions with people who’ve configured these systems before.

Request a configuration and quote below, or send through your measurement points and we’ll come back with a recommended model code.

Technical Specifications

Manufacturer safety and compliance caveats (reproduced as published)

“This product is classified as Class A (for use in industrial environments). Operation of this product in a residential area may cause radio interference, in which case the user will be required to correct the interference.”

“Due to the nature of this product, it is possible to touch its metal parts. There is a risk of electric shock – use this product with caution.”

“Before operating the product, read the user’s manual thoroughly for proper and safe operation.”

Do not use the WT1500 for measurements in Measurement Category IV.

What is the Yokogawa WT1500? The Yokogawa WT1500 is a precision power analyser released in August 2026 as the newest member of Yokogawa’s WT series. It measures up to four power channels and four motor channels in a 2U rack-mount chassis, with ±0.038% power accuracy at DC and 50/60 Hz and the series’ first 2000 V direct voltage input.

How accurate is the WT1500 power analyser? The WT1500 is specified at ±(0.018% of reading + 0.02% of range) for active power at both DC and 50/60 Hz — a total of ±0.038%. At 50/60 Hz with a power factor of zero, accuracy is ±0.07% of apparent power. Current sensor accuracy is added on top of these figures.

Can the WT1500 measure 1500 V DC directly? Yes. Fitted with an HV (High Voltage) element, the WT1500 measures up to 2000 V directly, with a dedicated 2000 V range. It is rated 1500 V DC CAT II on the HV voltage input terminals. For measurements above 1000 V, Yokogawa requires the 758932 high-voltage safety terminal adapter set and appropriately rated cable.

What is the difference between the HV and WB elements? HV (High Voltage) elements measure up to 2000 V with a DC to 300 kHz typical bandwidth. WB (Wide Bandwidth) elements measure up to 1000 V with a DC to 2 MHz typical bandwidth. Both types can be mixed within a single WT1500 chassis — for example, three WB elements plus one HV element for a PCS evaluation.

Does the WT1500 have a direct current input? No. All current measurement on the WT1500 is made through an external Yokogawa current sensor or clamp probe, which is sold separately. The instrument supplies sensor power and automatically recognises compatible sensors, applying the correct ratio and phase compensation.

How many channels can a WT1500 system measure? A single WT1500 chassis supports up to four power channels and four motor channels. With the /SY1 multi-unit synchronisation option, one main unit and up to four sub-units connected over optical fibre form a single 20-power-channel, 20-motor-channel system with ±400 ns synchronisation accuracy.

How does the WT1500 compare to the WT5000 and WT1800R? The WT5000 offers the most elements (7) and the WT1800R six, but the WT1500 is specified tighter for DC power accuracy at ±0.038%, against ±0.07% for the WT5000 and ±0.1% for the WT1800R. The WT1500 is also the only one of the three with 2000 V direct input, and it fits four channels into 2U. The WT5000 and WT1800R offer direct current input; the WT1500 requires external current sensors.

Which motor evaluation option should I choose? Choose /EM1 for up to two encoder-based motors, /RM1 for one resolver-based motor, /EM2 for up to four encoder motors, /RM2 for up to two resolver motors, or /EM1RM1 to mix two encoder motors with one resolver motor. Only one motor evaluation option can be fitted per instrument, and it is selected at order time.

Is the WT1500 suitable for use in Australia? Yes. The WT1500 accepts 220–240 VAC at 50 Hz and is ordered with the -R (AS Standard) power cord option for Australian sites. Yokogawa’s specifications cite the EMC Regulatory Arrangement in Australia and New Zealand, EN 61326-1 Class A Group 1. As a Class A instrument it is intended for industrial environments.

What does the WT1500 model code mean? The model number gives the element count (WT1501-10 = one element, through WT1504-10 = four). The first suffix gives the element mix, e.g. -WB3-HV1 means three wideband and one high-voltage element. Then comes installation type (-BN benchtop, -RE EIA rack, -RJ JIS rack), menu language (-HE, -HC, -HG), power cord (-R for Australia), and finally additional options such as /M1, /EM2, /SY1 and /CN1.

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There’s a specific and expensive mistake that gets made on three-phase measurement: using a two-element meter on a four-wire system.

On a balanced load you might not notice. The numbers look plausible. But the moment the load is unbalanced — and in a real building, a real factory, a real solar installation, it always is — the two-wattmeter method stops giving you correct total power on a four-wire circuit. Current is returning through the neutral, and a two-element instrument has no channel measuring it.

The Yokogawa WT333E digital power meter is the three-element answer. Three voltage inputs, three current inputs, one per phase, with total power calculated as the straightforward sum: P∑ = P1 + P2 + P3.

That’s not a clever algorithm. It’s just having enough channels — and on a four-wire system, three is the number.

Four wiring configurations, one instrument

The WT333E is the most configurable model in the WT300E series, supporting:

Three-phase four-wire (3P4W). The configuration that matters most in Australia. Our distribution standard is 400 V (nominally 415 V) phase-to-phase with a 230 V phase-to-neutral relationship — a four-wire system by design. Every commercial switchboard-fed load, every mixed single-phase-and-three-phase installation, every unbalanced building distribution is 3P4W. Total voltage, current and power are summed across all three elements, giving correct results regardless of balance.

Three-voltage three-current (3V3A). The three-wattmeter method applied to a three-wire system. You don’t strictly need three elements on a three-wire circuit, but 3V3A gives you something two elements can’t: individual voltage, current and power data for each phase, plus improved handling of distorted and unbalanced conditions. Total apparent power is computed as (√3/3)(S1 + S2 + S3).

Three-phase three-wire (3P3W). The conventional two-wattmeter method, if you want it.

Single-phase three-wire (1P3W). Split-phase measurement.

The practical upshot: one instrument on the shelf covers every wiring configuration you’re likely to encounter, and you don’t have to make a purchasing decision about your future measurement problems today.

Per-phase visibility, which is the point

Total power tells you what the system draws. Per-phase data tells you why.

With three elements, the WT333E gives you voltage, current, active power, apparent power, reactive power, power factor and phase angle for each element independently — and frequency measurement selectable from the voltage or current of element 1, 2 or 3.

That’s what turns a power meter into a diagnostic instrument. Phase imbalance that’s overloading one conductor. A power factor problem isolated to one leg. A harmonic issue that only appears on the phase feeding the drives. None of that is visible in a summed total.

Accuracy and bandwidth

Basic power accuracy is ±(0.1% of reading + 0.05% of range) at 45–66 Hz, consistent across all measurement ranges. Yokogawa states that WT332E and WT333E performance matches that of the WT310E.

The influence at power factor 0 is ±0.1% of apparent power between 45 and 66 Hz — half the previous generation’s figure. On three-phase distribution work this is the specification that decides whether your measurement is useful. Reactive-heavy loads, lightly loaded motors, capacitor banks and no-load conditions all sit at low power factor, and at low PF the influence term dominates your total uncertainty.

Bandwidth is DC and 0.1 Hz to 100 kHz, with voltage and current converted simultaneously through a 16-bit A/D at approximately 100 kS/s. Simultaneous conversion is what preserves the phase relationship between the voltage and current channels — and phase error is what destroys power accuracy on any waveform that isn’t a clean sinusoid. Which, on a modern distribution board feeding inverters, LED drivers, UPS units and variable-speed drives, is most of them.

Where the WT333E does work others can’t

Three-phase four-wire distribution measurement. Unbalanced building loads, mixed-phase installations, commercial plant. Correct total power plus per-phase diagnosis.

Unbalanced load analysis. Identifying which phase is carrying the imbalance, quantifying it, and having the per-element data to prove it.

Three-phase efficiency measurement. Efficiency computation is built into the WT333E (as it is on the WT332E, and unlike the single-element WT310E). Measure a converter, transformer, drive or motor input against its output on one instrument, one timebase, one calibration.

Motor and rotating machinery duration testing. Integration runs to 10,000 hours — approximately one year. With the /C7 Ethernet option, Modbus/TCP feeds Yokogawa’s GA10 data-gathering software, which can combine your electrical measurements with temperature, torque and rotation speed data across up to 200 channels. That’s a complete motor test dataset in one logging environment.

UPS conformance and evaluation. Input and output levels, efficiency, frequency and THD, with average active power under integration mode giving a true consumption figure for fluctuating loads.

Harmonic and power quality investigation on three-phase systems. With the /G5 option, PLL-synchronised harmonic analysis to the 50th order on all three elements, with a settable maximum THD order — so you can see harmonic content phase by phase rather than as an aggregate.

Three-phase product development and QA. USB standard, GP-IB (–C1) or RS-232 (–C2) at order, /C7 Ethernet with Modbus/TCP and VXI-11 for recorder and PLC integration, and the /DA12 option for twelve channels of ±5 V analogue output — sized for the parameter count that three elements generate.

Australian context worth knowing

The 3P4W capability is the reason this model matters here. Australian LV distribution is four-wire, and a great deal of commercial and industrial measurement work involves loads that are meaningfully unbalanced. The WT333E’s 300 V and 600 V voltage ranges cover both the 230 V phase-to-neutral and 400/415 V phase-to-phase relationships directly.

Now the important caveat, and it deserves to be blunt: the WT333E is a measurement category CAT II, 600 Vrms instrument. Yokogawa’s documentation states plainly that it is a measurement category II product and must not be used for measurement categories III or IV.

CAT III covers facility circuits — distribution boards and circuit breakers. CAT IV covers power source circuits such as entrance cables. So while the WT333E is the correct topology for four-wire systems, it is a bench, test-rig and machine-terminal instrument, not a switchboard instrument. If your job is measuring at the distribution board itself, you need an instrument rated for that category, regardless of how good this one’s specifications are. That distinction is a safety matter, not a paperwork one.

Order the –R power cord suffix for the AS-standard plug. Supply is 100–240 VAC (90–264 V permitted) at 48–63 Hz, 70 VA maximum.

The instrument is Class A under EN 55011 — an industrial-environment device. Operating it in a residential area may cause radio interference, and correcting that interference is the user’s responsibility.

Why buy the WT333E from us

The three-element decision usually comes down to one question, and it’s worth getting right before you order: does your system have a neutral that carries current? If yes, you need three elements. If no, two will do — and we’ll tell you that rather than sell you up.

We’ll also work through the option codes with you. /G5 harmonics, /C7 Ethernet, /EX1 or /EX2 external sensor input and /DA12 analogue output are factory-fitted at time of order. Getting the configuration right at purchase is considerably cheaper than discovering the gap three months into a project.

We’re a test and measurement specialist. We supply, we support, we calibrate, and we’re around after the sale. Tell us what you’re measuring and we’ll help you spec it.

TECHNICAL SPECIFICATIONS

What is the Yokogawa WT333E used for? The Yokogawa WT333E is a three-element digital power meter used to measure three-phase four-wire (3P4W), three-voltage three-current (3V3A), three-phase three-wire and single-phase three-wire systems. Three elements give correct total power on unbalanced four-wire loads plus individual voltage, current and power data for every phase — making it the model of choice for three-phase distribution measurement, motor and drive efficiency testing, UPS evaluation and phase-by-phase harmonic analysis.

Why do I need three elements instead of two? Because of the neutral. On a three-phase four-wire system, current returns through the neutral conductor, and a two-element instrument has no channel measuring it — so on an unbalanced load, a two-element meter will not give correct total power. Three elements measure each phase independently and sum them (P∑ = P1 + P2 + P3), which is correct regardless of balance. If your system genuinely has no current-carrying neutral, two elements are sufficient and the WT332E will do the job.

Can the WT333E measure 400/415 V three-phase in Australia? Its 600 V range covers 400/415 V phase-to-phase and its 300 V range covers 230 V phase-to-neutral, and the 3P4W wiring configuration matches Australian LV distribution. However, the WT333E is a measurement category CAT II, 600 Vrms instrument and Yokogawa states it must not be used for CAT III or CAT IV measurements. That makes it suitable at machine terminals and on test rigs fed from a fixed installation, but not for measurement at distribution boards, circuit breakers or service entrance cables.

What is the difference between the WT332E and WT333E? The number of input elements. The WT332E has two and supports 1P3W and 3P3W wiring. The WT333E has three and adds 3P4W and 3V3A configurations, plus per-phase data on all three phases and frequency measurement selectable from any of the three elements. Accuracy, bandwidth, current ranges, voltage ranges, physical size and options are otherwise the same.

What is 3V3A and when would I use it? Three-voltage three-current is the three-wattmeter method applied to a three-wire system. You don’t need three elements on a three-wire circuit for total power, but 3V3A gives you individual phase data that the two-wattmeter method cannot, and handles unbalanced and distorted conditions better. Use it when you want per-phase diagnostic detail on a three-wire load. Total apparent power in 3V3A is computed as (√3/3)(S1 + S2 + S3).

Does the WT333E measure harmonics on all three phases? With the /G5 harmonics option fitted, yes — harmonic measurement applies to all installed elements. It uses PLL synchronisation across a fundamental frequency range of 10 Hz to 1.2 kHz, analyses to the 50th order, and allows the maximum order used for THD calculation to be set by the user. Without /G5 the instrument measures RMS, voltage mean and DC values but not harmonic components.

Can the WT333E calculate efficiency? Yes. Efficiency computation is built into both the WT333E and the WT332E. Because both the input and output measurements are taken by the same instrument on the same timebase and the same calibration, you avoid the synchronisation and relative-drift errors that come with running two separate power meters and reconciling their logs afterwards.

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The Growing Challenge of Power Quality in Modern Electrical Systems

Australia’s electrical infrastructure is undergoing rapid transformation. The proliferation of variable speed drives, LED lighting, solar inverters, EV charging stations, and data centre equipment has fundamentally changed the nature of electrical loads across commercial and industrial facilities.

These non-linear loads generate harmonic distortion, voltage fluctuations, and transient events that compromise equipment performance, increase energy costs, and create compliance headaches.

For Australian electrical contractors and facility managers, the consequences of poor power quality are increasingly severe: premature equipment failures, unexplained downtime, nuisance tripping, overheating transformers, and costly energy wastage. Yet identifying the root cause requires instrumentation that meets international standards while remaining practical for field deployment.

Traditional power quality analysers often struggle to balance the competing demands of certified accuracy, comprehensive data capture, and usable interfaces that don’t require a PhD to operate.

Introducing the Metrel MI-2992: Where Certified Accuracy Meets Intuitive Operation

The Metrel MI-2992 Power Quality Analyser represents a fundamental rethinking of what a professional PQA should deliver. Built on an Android-based platform, this instrument combines the certified measurement accuracy that power quality standards demand with the responsive, intuitive interface that modern trade professionals expect.

The expansive 10.1-inch colour touchscreen transforms complex power quality data into immediately actionable insights, whether you’re standing in a switchroom troubleshooting voltage sags or conducting a week-long EN 50160 compliance survey.

Full compliance with IEC 61000-4-30 Edition 3.0 Class A ensures your measurements meet the highest international accuracy standards, while the step-by-step setup wizard means even operators new to power quality analysis can configure professional-grade monitoring campaigns within minutes.

The instrument supports simultaneous capture of events, inrush currents, transients, RVCs, alarms, and signalling analysis, providing the comprehensive dataset needed to diagnose even the most complex power quality issues.

Key Benefits for Australian Electrical Professionals

• Class A Certified Accuracy You Can Defend: Every measurement meets IEC 61000-4-30 Class A requirements, the gold standard for power quality instrumentation. This isn’t a compromise instrument that approximates results—it’s a fully certified analyser that produces data suitable for contractual disputes, regulatory compliance, and professional engineering reports. When a client questions your findings or a network operator challenges your measurements, Class A certification provides the defensible accuracy that protects your professional reputation.
• Comprehensive Harmonics Analysis: The MI-2992 captures harmonic components up to the 63rd order, providing visibility into the full spectrum of harmonic distortion affecting modern electrical systems. But the instrument goes further, measuring supraharmonics in the 2.1 to 14.9 kHz range with 200 Hz resolution. This capability is increasingly critical as switching power supplies, LED drivers, and solar inverters generate high-frequency emissions that traditional analysers miss entirely.
• Flexible Recording for Every Application: Recording intervals span from 200 milliseconds for capturing fast transient events to 2 hours for long-term trend analysis, with user-selectable averaging options including avg, min, max, and avgon. Predefined recorder profiles for EN 50160, IEEE 519, Codigo de Red, and other international standards eliminate guesswork, while custom profiles allow tailoring to specific client requirements.
• True Portable Operation: The built-in Li-Ion battery ensures continued operation during power outages—essential when monitoring unstable supplies—while the wide-range power supply (85-500 VAC) allows direct connection to virtually any electrical system. At 2.5 kg with dimensions of 320 × 230 × 60 mm, the MI-2992 strikes the optimal balance between screen real estate and field portability.
• Future-Ready Connectivity: USB Type-C, Gigabit Ethernet, Wi-Fi 802.11 ac/a/b/g/n, and Bluetooth 4.2/BLE provide connectivity options for any environment. NTP time synchronisation ensures accurate event correlation across multiple instruments, while VNC remote access allows full instrument control from any networked computer—monitor your recording campaign from the comfort of your office or respond to alarm conditions without travelling to site.

Applications Across Australian Industries

• Commercial and Industrial Facilities: Investigate power quality issues affecting sensitive manufacturing equipment, identify harmonic sources contributing to transformer overheating, and document baseline power quality for contractual handover of new installations. The four-channel voltage and current measurement capability handles single-phase through to four-wire three-phase systems with full support for open delta and other configurations.
• Solar and Renewable Energy: Commission grid-connected solar installations with documented power quality verification, investigate inverter-related harmonic issues, and monitor long-term performance against network connection agreements. Direct support for 1500 VDC systems via the optional S 2149 attenuator addresses the growing market for high-voltage solar installations.
• Healthcare and Critical Facilities: Verify power quality in hospital IT systems and operating theatres where power disturbances can have life-safety implications. Monitor UPS performance and confirm switchover characteristics meet design specifications. Document power quality for AS/NZS 3003 medical electrical installation compliance.
• Network and Utility Applications: Conduct EN 50160 compliance surveys for network operators, investigate customer complaints about supply quality, and document power quality at connection points. GPS time synchronisation via optional accessory ensures measurements can be precisely correlated with network events.
• Variable Frequency Drive Systems: The VFD mode supporting 5 Hz to 120 Hz system frequencies addresses the specialised requirements of motor drive applications, enabling power quality analysis on the output of variable frequency drives where traditional analysers cannot operate.

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The Power Quality Problems Costing Australian Industry Thousands

Power quality issues don’t just trip breakers – they destroy equipment, halt production, and rack up costs in downtime and repairs. Electrical contractors and facility maintenance teams across Australia face the same challenge: intermittent faults that are impossible to catch without the right monitoring equipment.

Voltage dips from switching operations damage sensitive electronics. Harmonic distortion from variable speed drives overheats transformers. Transient spikes from lightning or switching events destroy control systems. Without proper power quality analysis, you’re troubleshooting blind – replacing components without understanding the root cause.

The stakes are even higher when compliance is on the line. Whether you’re commissioning solar installations, certifying industrial systems, or verifying power supply quality for critical infrastructure, you need measurement data that stands up to engineering scrutiny and regulatory standards.

How the Hioki PQ3198 Solves Your Power Quality Challenges

The Hioki PQ3198 Power Quality Analyzer is built for professionals who need accurate answers, not guesswork. This three-phase analyzer combines comprehensive monitoring capabilities with genuine compliance certification – meeting IEC 61000-4-30 Edition 3 Class A standards for power quality measurement.

Here’s what sets this analyzer apart: it captures everything simultaneously. While recording trend data for long-term monitoring, it’s simultaneously watching for voltage swells, dips, interruptions, harmonics, flicker, and transient spikes up to 6000V. When an anomaly occurs, it captures the waveform with 2 MHz sampling – giving you the forensic detail needed to pinpoint causes.

The PQ3198’s dual-circuit capability is particularly valuable for Australian solar and EV infrastructure work. Measure both the AC input and DC output of an EV rapid charger simultaneously, or monitor inverter efficiency across primary and secondary circuits – all from a single instrument. The isolated fourth channel eliminates the need for multiple analyzers on complex jobs.

What really makes this analyzer trade-ready is how Hioki handles current sensing. The PQ3198 powers sensors directly – no external power supplies cluttering your setup. Connect any Hioki current sensor from 500mA to 6000A, and the analyzer automatically detects the sensor type and range. The built-in wiring check verifies your connections before you start recording, catching setup errors before they cost you time.

Key Benefits & Professional Applications

Compliance-Ready Certification You Can Trust

The PQ3198’s IEC 61000-4-30 Class A certification isn’t just a label – it’s your assurance that measurement data meets international standards for power quality assessment. This matters when you’re producing reports for engineers, submitting compliance documentation, or defending findings against warranty claims. The analyzer’s ±0.1% voltage accuracy and gapless continuous recording mean your data holds up under scrutiny.

For Australian solar installers, this certification is essential for grid connection approvals. The PQ3198 also evaluates power supply quality against EN 50160 standards using the included PQ ONE software, automatically generating compliance reports that document voltage characteristics, frequency variations, and harmonic limits.

Capture the Events Others Miss

Transient voltage spikes lasting just microseconds can destroy equipment – but only if you can measure them. The PQ3198 captures transient voltages up to 6000V peak with 0.5 μs resolution, recording the fast-acting events that standard power meters simply can’t see. This capability is critical when investigating lightning damage, breaker operations, or unexplained equipment failures in industrial facilities.

The analyzer stores up to 9999 power quality events with complete waveform data, building a comprehensive history of power supply disturbances over weeks or months. Each event includes context – trend data showing what was happening before, during, and after the anomaly. This forensic detail transforms troubleshooting from educated guessing into data-driven problem solving.

High-Order Harmonic Analysis for Modern Power Systems

Today’s variable frequency drives, switch-mode power supplies, and renewable energy systems generate harmonic distortion well beyond the traditional 50th order limit. The PQ3198 measures supraharmonics from 2 kHz to 80 kHz – capturing the high-frequency noise that overheats motors, trips protection devices, and interferes with communications systems.

This extended frequency range is particularly valuable for analyzing solar inverters and EV charging infrastructure, where switching frequencies create harmonic content above 20 kHz. The analyzer also calculates K-Factor for transformer derating – giving facility managers the data needed to prevent transformer failures from harmonic overload.

Two-Circuit Measurement for Complex Systems

Most power quality work involves more than simple three-phase monitoring. The PQ3198’s isolated fourth voltage channel enables simultaneous measurement of two separate circuits – measuring both input and output of inverters, UPS systems, or transformers without needing multiple instruments.

For solar installers, this means verifying inverter efficiency while monitoring grid connection quality from a single setup. For EV infrastructure work, measure the AC supply quality and DC output characteristics of rapid chargers in one test session. The analyzer calculates efficiency between circuits automatically, documenting system performance for commissioning reports.

Simple Setup, Professional Results

Hioki understands that time on site costs money. The PQ3198’s preset configurations eliminate complicated parameter setup – just select your application (general monitoring, EN 50160 compliance, solar PV, or inverter measurement) and the analyzer configures recording parameters automatically.

The wiring guide displays connection diagrams for single-phase, three-phase, and dual-circuit applications directly on the 6.5-inch color screen. Once connected, the automatic wiring check verifies your setup, identifying reversed phases or missing connections before you start recording. This built-in verification catches the setup errors that otherwise waste hours of measurement time.

Long-Term Monitoring Without Gaps

Power quality issues don’t run on your schedule. The PQ3198 records continuously for up to one year with gapless data – no missed samples, no time gaps in trend data. This continuous recording capability is essential for capturing intermittent problems that occur weekly or monthly rather than daily.

Battery operation extends recording beyond mains power availability, running for up to 180 minutes on the included rechargeable pack. For permanent monitoring installations, the optional waterproof enclosure (IP65 rated) enables outdoor deployment in harsh Australian conditions.

Technical Specifications

Real-World Applications Across Australian Industries

Solar Installation Commissioning & Troubleshooting

Grid-connected solar systems require power quality verification for network approval and warranty compliance. The PQ3198 documents inverter output characteristics, harmonic content, and voltage regulation – generating the compliance reports that network operators require for connection approvals.

When solar installations experience unexplained shutdowns or grid export limiting, the PQ3198’s long-term monitoring identifies the cause. Capture the exact conditions triggering anti-islanding protection or overvoltage shutdowns, then use the waveform data to determine whether the issue lies with the inverter, transformer, or network supply.

Industrial Equipment Reliability & Maintenance

Manufacturing facilities lose thousands per hour when equipment fails unexpectedly. The PQ3198 helps maintenance teams move from reactive repairs to predictive maintenance – identifying power quality issues before they cause equipment damage.

Install the analyzer on critical motor control centers or process equipment, then review the recorded events to identify patterns. Voltage dips from crane operations, harmonic distortion from VFDs, or transient spikes from capacitor switching – whatever’s stressing your equipment, the PQ3198 captures the evidence needed to implement solutions.

EV Charging Infrastructure Certification

Electric vehicle rapid chargers draw significant power while maintaining strict quality requirements for the DC output feeding vehicles. The PQ3198’s dual-circuit capability verifies both AC supply quality and DC output characteristics simultaneously – documenting charger performance for commissioning and ongoing compliance.

This dual measurement capability also calculates overall charger efficiency, providing the data required for energy management reporting and utility demand response programs.

Data Center & Critical Infrastructure Monitoring

Data centers and critical facilities require continuous power quality assurance. Deploy the PQ3198 on UPS inputs and outputs to verify that backup power systems maintain quality during grid disturbances. The analyzer’s EN 50160 compliance checking automates the ongoing verification that power supply quality meets the standards required for sensitive IT equipment.

The optional GPS synchronization enables coordinated monitoring across multiple locations – capturing simultaneous events that affect distributed infrastructure and identifying whether power quality issues originate upstream or within specific facilities.

Building Services & Switchboard Testing

Electrical contractors troubleshooting lighting flicker, unexplained circuit breaker trips, or overheating transformers need forensic-quality power data. The PQ3198 documents the power quality characteristics that standard testing equipment can’t measure – voltage unbalance, harmonic distortion, neutral current, and flicker severity.

The analyzer’s preset configurations and automatic wiring verification mean even complex three-phase measurements are set up correctly first time. Generate professional reports directly from the included PQ ONE software – providing clients with clear documentation of findings and recommended solutions.

Why Choose Test Equipment Australia for Your Hioki PQ3198

Genuine Hioki Partnership & Local Support

We’re an authorized Hioki distributor, supplying genuine equipment backed by Hioki’s international warranty. Unlike gray imports, your PQ3198 comes with full Australian support, calibration services, and firmware updates. When you need technical guidance on applications or measurement setup, you’re talking to engineers who understand both the equipment and Australian power systems.

Calibration Services You Can Trust

Power quality measurements are only as good as the calibration behind them. Our NATA-accredited calibration laboratory services Hioki analyzers to manufacturer specifications, with calibration certificates traceable to national standards. We understand the compliance requirements for test equipment used in statutory testing and can coordinate calibration schedules that keep your instruments certified without disrupting your work schedule.

Current Sensor Selection Expertise

The PQ3198’s flexibility means choosing the right current sensors for your applications. We help you select from Hioki’s range of clamp sensors (60A to 600A), flexible Rogowski coils (up to 6000A), and AC/DC sensors for mixed current applications. Whether you’re monitoring motor circuits, solar inverters, or building switchboards, we’ll spec the sensor combination that gives you accurate measurements within budget.

Ready-to-Use Kits & Custom Configurations

The PQ3198 is available as the base unit (sensors ordered separately) or complete kits (PQ3198-92 or PQ3198-94) including four current sensors and accessories. Can’t decide? We’ll help you configure the right package for your typical applications – and we keep common sensors in stock for when your work scope expands.

Australian Stock, Fast Delivery

We maintain inventory in Australia, so you’re not waiting weeks for equipment to arrive from overseas. Place your order and have the PQ3198 on your bench within days – ready to deploy on that urgent troubleshooting job or scheduled commissioning work.

Frequently Asked Questions

Can the PQ3198 measure DC current for solar monitoring? Yes – when used with Hioki’s AC/DC current sensors (CT6862, CT6863, or CT6865), the PQ3198 accurately measures DC current with automatic zero compensation. This eliminates the drift issues common with Hall-effect sensors, making it ideal for solar array monitoring or EV charging applications where DC current measurement is required.

How does the PQ3198 compare to the older PQ3100 model? The PQ3198 offers significant improvements: IEC 61000-4-30 Edition 3 Class A compliance (vs. Edition 2 in the PQ3100), extended supraharmonic measurement to 80 kHz (vs. 40 kHz), direct sensor power supply eliminating external AC adapters, and the new PQ ONE software with improved reporting. If you’re working with modern inverter-based systems or require current Class A compliance, the PQ3198 is the right choice.

What’s included with the PQ3198, and what needs to be ordered separately? The base PQ3198 includes the analyzer, voltage cables, AC adapter, battery pack, SD card, carrying strap, USB cable, and PQ ONE software. Current sensors are ordered separately to match your specific applications. Alternatively, the PQ3198-92 kit includes four 600A clamp sensors, or the PQ3198-94 kit includes four 6000A flexible sensors – covering most industrial applications straight out of the box.

Can I monitor power quality remotely rather than reviewing data after the fact? Yes – the PQ3198 supports remote monitoring via the GENNECT One software over LAN connection. View real-time measurements from your office PC, receive automatic notifications when events occur, and download recorded data without visiting the site. For genuinely remote installations, the GENNECT Cloud service enables access from anywhere with internet connectivity.

Is calibration required, and how often? Like all precision test equipment, regular calibration maintains measurement accuracy. Hioki specifies annual calibration for the PQ3198, and most compliance applications require calibrated instruments with current certification. We provide NATA-accredited calibration services with fast turnaround – typically one week from receipt. We’ll also set up calibration reminders so your equipment never expires when you need it most.

Order Your Hioki PQ3198 Power Quality Analyzer Today

Stop troubleshooting power quality issues without proper data. The Hioki PQ3198 delivers the measurement accuracy, compliance certification, and comprehensive recording capability that Australian electrical contractors and facility maintenance teams depend on.

Ready to discuss your specific application or configure the right analyzer package? Contact Rapid-Tech Equipment – we’ll help you select current sensors, arrange calibration, and get your PQ3198 ready for deployment.

The post Hioki PQ3198 Power Quality Analyzer appeared first on rapid-tech.

Simplify Advanced Power Quality Analysis

The HT Italia PQA924 Power and Energy Quality Analyzer (Class S) is the ultimate tool for professionals who need accuracy, efficiency, and reliability in power quality analysis and troubleshooting. Designed with cutting-edge technology and a user-friendly interface, the PQA924 analyzer makes even complex power quality studies simple and precise.

Fully compliant with IEC/EN61000-4-30 standards, this analyzer delivers high-accuracy Class S measurements, making it the ideal solution for analyzing single-phase or three-phase systems. Whether you’re diagnosing voltage dips, harmonic issues, or power interruptions, the HT Italia PQA924 has the tools and features to meet your needs.

Key Features of the HT Italia PQA924

1. High-Performance Data Recording

• Record up to 3180 channels of data, including voltage-current events.
• Analyze 386 network parameters such as frequency, voltage, current, and power.
• Perform harmonics analysis with up to 2225 data points for voltages and currents.
• Monitor 24 energy channels for active and reactive energy data.
• Detect voltage anomalies like dips, swells, and interruptions with 10ms resolution.
• Capture fast voltage transients with 1μs resolution for detailed analysis.

2. Comprehensive Power Quality Insights

• Analyze voltage and current harmonics up to the 63rd order with THD% calculations.
• Detect inrush currents, perfect for electric motor diagnostics.
• Measure active, reactive, and apparent power and energy.
• Identify phase sequence and unbalance issues in three-phase systems.

3. Advanced Auto-Configuration (AUTOSET)

• Automatically detects current transducers to prevent connection errors.
• Corrects reversed clamp connections instantly for accurate readings.
• Eliminates wiring errors, saving you time and ensuring reliable results.

4. Robust Data Management

• Store data on a convenient 32GB removable memory card.
• Transfer data via USB, Ethernet, or Wi-Fi for easy access.
• Use the HTAgorà software to analyze data and create professional reports.

Why Choose the HT Italia PQA924?

The HT Italia PQA924 Power and Energy Quality Analyzer is an essential tool for power quality professionals. Its advanced features, including a color touch screen display, Class S accuracy, and innovative AUTOSET technology, make it reliable and easy to use.

Whether you’re troubleshooting voltage anomalies, monitoring harmonics, or capturing inrush currents, the PQA924 analyzer delivers exceptional performance every time.

Popular Applications

• Conducting power quality studies in industrial, commercial, or residential systems.
• Diagnosing voltage dips, swells, interruptions, and electrical imbalances.
• Monitoring harmonics and interharmonics for improved system efficiency.
• Capturing fast voltage transients and identifying inrush current events.

Upgrade Your Power Quality Analysis Today

The HT Italia PQA924 Power and Energy Quality Analyzer combines accuracy, ease of use, and advanced technology in one powerful device. Whether you’re an engineer, technician, or energy professional, this analyzer is designed to meet your needs and exceed your expectations.

Order the HT Italia PQA924 today and elevate your power quality analysis with precision and confidence!

The post HT Italia PQA924 Power and Energy Quality Analyzer – Class S, Advanced Auto-Configuration, 3180 Channel Recording, IEC/EN61000-4-30 Compliance appeared first on rapid-tech.

Overview

NEO Messtechnik has once again pushed the boundaries of power quality analysis with the NEO PQA 7000. This mobile power quality analyzer is designed for engineers who need to stay ahead in the ever-evolving landscape of power quality management. With unparalleled precision, powerful software capabilities, and versatile color options, the NEO PQA 7000 is poised to be an indispensable tool in your arsenal.

Key Features

Powerful Software

Our powerful software doesn’t stand in your way but rather enhances your workflow. Key software features include:

• Direct measurement data monitoring on the device (oscilloscope, FFT, vector, recorder, etc.)
• Robust data evaluation capabilities (overlay of several measurement files, multi-quantile calculation, report generation according to various standards such as EN50160, IEC61000-2-2, export options, and more)
• Synchronization of multiple devices, including PMU function for comprehensive data analysis

Precise Measurements

Achieve high-precision readings with the NEO PQA 7000:

• High-frequency voltage and current (20 kHz) measurements with 0.05 % accuracy and up to 48 kS/s
• Compatible with various current sensors such as Rogowski coils and clamps
• Features a 7″ multi-touch display, with an option for operation without a display
• Extendable 256GB data storage to meet your specific application needs

Customizable Design

Align the NEO PQA 7000 with your company’s corporate identity:

• Multiple color options: Black, Green, Blue, Red, Orange

Remote Connection and Multiple Device Synchronization

Enhance your operational flexibility with remote connection and synchronization options:

• Large, extendable 256GB data storage
• Easy remote connection capabilities for monitoring and configuration via TeamViewer©, FastViewer©
• Synchronization of multiple devices, including PMU function

Endless Possibilities

With its extensive feature set, the NEO PQA 7000 opens up endless possibilities for power quality analysis:

• Large data storage: 256GB from the start and extendable as needed
• Easy Remote Connection: Access single devices for monitoring and configuration remotely
• Synchronization of multiple devices: Including PMU function for enhanced coordination

Equip yourself with the NEO PQA 7000 and experience power quality analysis like never before. Order yours today and take the first step towards superior power quality management.

The post NEO Messtechnik NEO PQA 7000 – Mobile Power Quality Analyzer with High-Precision Voltage & Current Measurements, Robust Data Evaluation, and Easy Remote Connection appeared first on rapid-tech.

Introducing the Metrel MD 9070 Digital Multimeter, a state-of-the-art instrument that combines precision, reliability, and versatility to meet all your electrical measurement requirements.

With its advanced features and robust design, the MD 9070 is the perfect tool for electricians, maintenance professionals, and DIY enthusiasts. Let’s dive into the exceptional capabilities that make the MD 9070 a must-have for any electrical project.

Accurate Readings on Sinusoidal and Non-Sinusoidal Signals

The MD 9070 boasts True RMS technology, ensuring accurate readings on both sinusoidal and non-sinusoidal signals. This means you can confidently measure various types of electrical waveforms, making it ideal for applications in industrial, commercial, and residential settings.

VFD Feature for Precise Frequency Measurements

Equipped with the VFD (Variable Frequency Drive) feature, the MD 9070 can measure true values in accordance with frequency. This capability enables precise measurements in systems that rely on variable frequency drives, ensuring accurate readings even in complex electrical installations.

Auto-Ranging and Manual Ranging for Convenience

With the MD 9070, you have the flexibility to choose between auto-ranging and manual ranging modes. Auto-ranging automatically selects the appropriate range for your measurement, while manual ranging allows you to manually adjust the range based on your specific requirements. This versatility ensures ease of use and accurate results in any situation.

Relative Zero Mode for Comparative Analysis

The MD 9070 offers a unique relative zero mode, allowing you to compare the difference between signals or remove background noise for more accurate measurements. This feature is invaluable in troubleshooting electrical systems, helping you identify and isolate potential issues with enhanced precision.

MAX/MIN Recording and Data Hold Function

Recording maximum, minimum, and average values is a breeze with the MD 9070. This feature provides you with valuable data for analysis and diagnostics. Additionally, the data hold function freezes the display, allowing you to capture readings for later review and analysis, even in challenging work environments.

Comprehensive Safety Features for Peace of Mind

Safety is paramount when working with electrical systems. The MD 9070 is equipped with CAT IV / 600 V and CAT III / 1000 V overvoltage protection, ensuring your safety while working on high-voltage installations. This robust safety design provides peace of mind, allowing you to focus on the task at hand without compromising your well-being.

Backlight for Enhanced Visibility

Working in dimly lit environments is no longer a challenge with the MD 9070. The built-in backlight feature illuminates the display, ensuring excellent visibility even in low-light conditions. This enables you to work with ease, accuracy, and confidence, no matter the lighting conditions.

Applications: e-Mobility, Mobile Installations, Preventative Maintenance, Troubleshooting

The MD 9070 finds its application in a wide range of electrical tasks. For e-Mobility, it facilitates the first safety inspection of electrical vehicles according to UN ECE R100 standards. In mobile installations, such as vehicles with on-board generators or emergency response vehicles, the MD 9070 ensures the electrical systems are functioning optimally.

It is also a valuable tool for preventative maintenance tasks, including earth continuity and insulation testing, voltage measurements, and frequency measurements. Finally, during troubleshooting and field service, the MD 9070 assists in identifying and resolving installation issues promptly and efficiently.

Invest in the Metrel MD 9070 Digital Multimeter today and experience the precision, reliability, and convenience it brings to your electrical projects. Don’t compromise on accuracy and safety. Choose the MD 9070 for all your electrical measurement needs and take your work to the next level.

The post Metrel MD 9070 Digital Multimeter: Precision Electrical Measurements for Professionals appeared first on rapid-tech.

Equipped with advanced features such as waveform real-time display across four channels for both voltage and current, the UNI-T UT285C stands out in the field of electrical testing instruments. Offering True RMS values and peak measurements for both current and voltage, this device ensures accuracy and reliability in every reading.

Key Features Include:

• Waveform Real-Time Display: Gain instant insights with a display that showcases waveforms for four channels simultaneously, making it easier to diagnose issues.
• Transient: Featuring the capability to capture up to 150 sets of transient records, this device is an essential tool for monitoring sudden changes in voltage and current.
• True RMS Values: Accurate readings of voltages and currents, ensuring you have precise data for thorough analysis.
• Peak Current and Voltage Values: Essential for capturing spikes in your system that could indicate potential problems.
• Total Harmonic Distortion (THD): Understand the quality of your electrical signals and the level of distortion present.
• Power Measurement: Active, reactive, and apparent power calculations are provided, both by phase and cumulatively, offering a full overview of your energy usage.
• Additional Capabilities: With features like the Transformer K factor, power factors (PF), displacement factors (DPF or COSΦ), short-term voltage flicker (PST), and three-phase unbalance for both current and voltage, this tool is packed with functionalities designed to meet the demands of modern electrical systems.
• Connectivity: The USB interface and PC software integration simplify data management and long-term tracking.

Whether you are a professional electrician, an engineer, or someone involved in power management and quality control, the UNI-T UT285C Three Phase Power Quality Analyser is your go-to device for accurate, reliable power quality measurements.

Elevate your toolkit by adding the UNI-T UT285C and unlock the potential to diagnose and rectify power quality issues with unprecedented ease and precision.

The post UNI-T UT285C Advanced Three Phase Power Quality Analyser – Real-Time Waveform Display, True RMS, Peak current and voltage Values, and Transient Capture capabilities. appeared first on rapid-tech.