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.

The post Metrel MI-2992 Class A Power Quality Analyser | IEC 61000-4-30 appeared first on rapid-tech.

Every electrical installation depends on a properly functioning earth electrode system. Whether you’re verifying earthing compliance for AS/NZS 3000, investigating fault conditions, or conducting routine safety checks, uncertain ground resistance measurements put safety at risk. Traditional analogue testers struggle with accuracy in noisy environments, manual spike checks waste valuable time, and unreliable readings can lead to failed inspections or worse—electrical hazards that could have been prevented.

For contractors working across industrial sites, solar installations, and commercial facilities, you need earth testing equipment that performs consistently in Australian conditions. Testing outdoors means dealing with harsh sun, dusty environments, and sites where gloved hands are mandatory. Equipment that’s fiddly to operate or can’t handle real-world conditions simply doesn’t cut it when safety compliance is on the line.

Built for Real-World Earth Testing

The Megger DET3TD digital earth resistance tester eliminates the hassles of traditional ground testing with intelligent automation and rugged construction designed for professional use. This digital ground tester automatically verifies your test spike connections and ground conditions before each measurement, instantly alerting you to any issues that could compromise accuracy. No more wondering if your P spike or C spike has proper contact—the instrument checks it for you and displays the status clearly on the large LCD.

The IP54 rating makes it a hardy outdoor instrument (link >), genuinely suited to Australian environmental conditions. The DET3TD is easy to use (link >), with an oversized selector switch that allows you to choose between 2-pole and 3-pole testing modes even with safety gloves on, while the thumb-sized test button makes operation straightforward when you’re focused on getting measurements done efficiently.

What sets this earth resistance tester apart is the combination of measurement accuracy and environmental toughness. The instrument can reject electrical noise up to 40V peak-to-peak, allowing you to obtain accurate earth resistance readings even on industrial sites with significant electrical interference. This noise rejection capability means you can test confidently near operating machinery, active substations, or solar arrays without false readings.

Key Benefits & Features

Measurement Accuracy You Can Trust

The DET3TD measures earth resistance from 0.01Ω through to 2000Ω with 2% accuracy (link >), giving you the precision needed for compliance documentation and safety verification. This measurement range covers everything from low-resistance industrial earthing grids to individual electrode testing at residential and commercial sites. The autoranging function automatically selects the appropriate range, eliminating manual range switching and speeding up your testing workflow.

The digital display provides clear, unambiguous readings that remove interpretation errors common with analogue meters. You can also measure earth voltages up to 100V, allowing you to check for dangerous touch potentials or verify that the site is safe before conducting earth resistance testing.

Automatic Spike Verification

The DET3TD automatically checks the connection and condition of the P and C spike, indicating the status on the display (link >). This intelligent feature prevents wasted time taking invalid readings due to poor spike contact with the soil. If a spike isn’t properly connected or the soil resistance is too high, you’ll know immediately—saving you from repeating tests or questioning your results later.

This automatic verification is particularly valuable when testing in dry, compacted, or rocky Australian soils where achieving good spike contact can be challenging. Rather than guessing whether your setup is adequate, the instrument confirms it for you.

Tough Enough for the Job Site

Professional testing equipment needs to withstand the realities of field work. The DET3TD comes with a complete kit: instrument, test leads, stakes, batteries, calibration certificate, and a tough polypropylene carry case (link >), protecting your investment during transport and providing organised storage for all components.

Powered by eight readily available AA batteries, the DET3TD provides approximately 3 hours of continuous testing or up to 700 consecutive tests. The battery status bar graph on the LCD lets you monitor power levels, so you’re never caught mid-job with flat batteries. The instrument automatically powers down after six minutes of inactivity to conserve battery life.

User-Selectable Test Voltage

Choose between 25V or 50V test voltage depending on your application requirements. The 50V setting (factory default) allows testing with higher probe resistance, while the 25V option is useful for sensitive installations or when lower test voltages are specified. With 50V output, the maximum probe resistance limits are 100kΩ for both P and C spikes; with 25V output, these limits reduce to 50kΩ.

ART (Attached Rod Technique) Capability

Using the optional clamp around the ground rod connection allows the testing of the rod without the need for disconnection, leaving the earthing system intact during testing (ART) (link >). This is invaluable for testing critical installations where disconnection isn’t practical or permitted, such as operating substations, data centres, or telecommunications facilities. You can verify earthing integrity without interrupting system protection.

Technical Specifications

Applications & Use Cases

Electrical Contractors & Compliance Testing
Verify earth electrode installations meet AS/NZS 3000 requirements for residential, commercial, and industrial electrical work. Conduct periodic testing of existing earthing systems as part of maintenance schedules or before electrical work commences.

Solar PV Installation & Maintenance
Test earth electrodes for solar array installations, inverter earthing, and lightning protection systems. The noise rejection capability is particularly valuable when testing near operating inverters that can generate electrical interference.

Industrial Maintenance & Safety
Routine earth testing for machinery earthing, equipment bonding, and substation grounding systems. The robust construction and IP54 rating make it suitable for harsh industrial environments including mining sites, manufacturing facilities, and processing plants.

Telecommunications & Data Centres
Verify earthing integrity for telecommunications towers, equipment cabinets, and data centre installations. The ART testing capability (with optional clamp) allows testing without disrupting critical systems.

RTO Training & Educational Institutions
Teach students proper earth testing procedures using professional-grade equipment. The clear display and automatic checks help learners understand correct testing methodology and result interpretation.

Lightning Protection Systems
Test earth electrodes for lightning protection systems on commercial buildings, industrial facilities, and telecommunications structures, ensuring adequate dissipation paths for lightning strikes.

Complete Kit Ready for Work

The DET3TD comes with a complete kit: instrument, test leads, stakes, batteries, calibration certificate, and a tough polypropylene carry case (link >) This means you can start testing immediately without sourcing additional accessories or waiting for back-ordered components.

The included manufacturer’s calibration certificate provides traceability and confidence for compliance documentation. All components are organized in the durable carry case, keeping your testing equipment protected and readily accessible in your vehicle.

Why Choose Us for Your Earth Testing Equipment

Expert Technical Support
Our team understands Australian electrical testing requirements and can help you select the right earth testing solution for your specific applications. We speak your language—whether you’re dealing with MEN systems, TN-C-S installations, or remote area power systems.

Australian Standards Compliance
We supply equipment suitable for AS/NZS 3000 compliance testing and can advise on testing methodologies for various installation types across Australia.

Calibration Services Available
Keep your DET3TD measurement accuracy verified with our NATA-accredited calibration services. We can arrange regular calibration scheduling to maintain your equipment’s certification for compliance work.

Fast Australia-Wide Delivery
Most orders ship within 24 hours, getting your testing equipment to you quickly so project delays are minimised. We understand that contractors often need equipment urgently for scheduled compliance testing or fault investigations.

Genuine Megger Quality
As an authorised Megger supplier, you’re getting authentic equipment backed by the manufacturer’s warranty and our commitment to customer support. We stock replacement accessories and can assist with any technical questions about operation or testing procedures.

Frequently Asked Questions

What’s the difference between 2-pole and 3-pole testing?
Two-pole testing measures the combined resistance of the earth electrode and the test probe, which is suitable for comparative measurements or low-resistance electrodes where the probe resistance is negligible. Three-pole testing eliminates the probe resistance from the measurement, providing the true earth electrode resistance by using separate current and potential circuits. For compliance testing to AS/NZS 3000, three-pole testing is generally the preferred method.

Can I test earth resistance without disconnecting the earth electrode?
Yes, with the optional current clamp accessory, the DET3TD supports ART (Attached Rod Technique) testing. This allows measurement of earth electrode resistance while it remains connected to the installation earthing system, ideal for critical facilities where disconnection isn’t practical.

How do I know if my test spikes have adequate soil contact?
The DET3TD automatically checks the connection and resistance of both the P (potential) and C (current) spikes before each measurement and displays their status on the LCD. If spike contact is inadequate, the instrument alerts you before wasting time on an invalid test. You may need to water the soil around the spikes, drive them deeper, or relocate them to achieve satisfactory contact.

Will this work in high-noise electrical environments?
Absolutely. The DET3TD can reject electrical noise up to 40V peak-to-peak and automatically performs a noise check before testing. This makes it suitable for testing near operating industrial equipment, solar inverters, substations, and other electrically noisy environments where accurate measurements can be challenging.

What does CAT IV 100V safety rating mean?
The CAT IV 100V rating indicates the instrument is suitable for measurements at the origin of the installation—the point where low-voltage electrical service enters a building or where earthing electrodes are located. This safety category provides protection for working at the main earth terminal and distribution points.

Get Reliable Earth Testing Results Today

The Megger DET3TD digital earth resistance tester gives electrical contractors, maintenance technicians, and compliance professionals the accuracy and durability needed for professional ground testing across Australia. With automatic spike verification, IP54 protection, and comprehensive noise rejection, you’ll get dependable measurements in real-world conditions.

Ready to test with confidence? Contact us for technical specifications, or advice on choosing the right earth testing solution for your applications.

The post Megger DET3TD Digital Earth Resistance Tester appeared first on rapid-tech.

Features

• Reporting Done In Seconds – Connected workflows automate the reporting that used to eat up to half the job, so you can focus on the inspection, not the paperwork.
• Anyone Can Be An Expert – Intuitive, app-guided capture and on-device onboarding help less-experienced staff deliver expert-level results, reliably.
• See it. Share it. Now – 480 x 640 clarity plus built-in LTE for sharp insights and real-time collaboration from anywhere – secured to ISO 27001 standards.

Main Applications

• Electrical and mechanical inspections across industrial and utility environments, enabling early fault detection and reduced downtime.
• Enterprise-level condition monitoring programs with asset hierarchy, cloud-based data management, and team-wide collaboration.
• Building diagnostics and facility maintenance, including moisture detection, HVAC performance checks, and energy loss assessments.

The post FLIR i65 App-Enabled Thermal Camera with LTE (480 x 640) appeared first on rapid-tech.

The AVO840 True RMS multimeter is for electricians, technicians, engineers, and service personnel. Comes with Bluetooth connectivity and mobile app support for Android and iOS devices. Real-time measurement sharing and remote track readings from a safe distance.

CAT III 1000 V / CAT IV 600 V safety rated with 6000 count display. Features, AC+DC measurements, make it easy to calculate real time power dissipation.

Its Low-Z mode ensures a low impedance input to circuits under test, reducing false readings caused by ghost voltages.

Continuity function offers both audio and visual feedback.  The diode function to test diodes and semiconductor junctions.

Tested to 2m drop and IP57, the AVO840 with its features and durability make it ideal for professionals in the field of electrical work.

APPLICATION

The AVO840 is an excellent choice for test and measurement, industrial maintenance, industrial, electrical and safety. The AVO840 has all the features you need plus more for maintenance and fixing problems quickly thanks to its precision, reliability, and ease of use.

The AVO840 is the preferred solution for professional technicians, electricians, or facilities managers. Diagnose fault with ease from HVAC systems, presses, furnaces, CNC, robots to PCBAs

The post MEGGER AVO840 True RMS Digital Multimeter with Low-Z and CAT IV 600 V appeared first on rapid-tech.

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.

It is the premier diagnostic tool for senior engineers, utility technicians, and maintenance professionals who require uncompromising precision for testing transmission-level assets, including transformers, bushings, and long cables. This instrument delivers the power and accuracy needed to ensure the integrity of critical infrastructure and support predictive maintenance programmes.

A key advantage of the S1-1568/2-AU is its industry-leading noise immunity, which effectively rejects up to 8 mA of interference. This ensures stable and dependable measurements in extreme EHV environments up to 765 kV, where electrical noise can render other testers ineffective. The addition of the patented RE>Act™ test mode further enhances measurement reliability by quantifying re-absorption currents, which prevents incorrect pass/fail decisions on insulation. This feature also improves operator safety by monitoring the discharge process after a test.

Combining a full suite of diagnostic tests (IR, PI, DAR, DD, PDC, SV), the S1-1568/2-AU provides a complete assessment of insulation condition. Its CAT IV 1000 V safety rating and rugged, dual-case design provide maximum protection for the user and the instrument.

Workflow is streamlined through on-board, time-stamped memory and remote operation via USB. Data can be transferred to the free CertSuite Asset Lite software, simplifying reporting and asset management. Powered by a rapid-charge Li-ion battery or directly from an AC supply, the S1-1568/2-AU provides the operational flexibility and performance required for critical high-voltage testing.

Key Features

• Superior Noise Immunity: Rejects up to 8 mA of noise current, delivering stable measurements in extreme EHV environments.
• RE>Act™ Test Mode: Increases measurement accuracy by detecting re-absorption currents and enhances safety by monitoring asset discharge.
• 15 kV Test Voltage: Provides a maximum test voltage of 15 kV for testing high-voltage transmission and distribution assets.
• CAT IV 1000 V Safety Rating: Ensures the highest level of operator safety for work in high-energy industrial and utility applications.
• Comprehensive Diagnostic Suite: Includes IR, PI, DAR, DD, SV, PDC, and Ramp test modes for in-depth insulation analysis.
• Efficient Data Management: Features remote control via USB and seamless data transfer to CertSuite Asset Lite for simplified logging and reporting.
• Dual Power Flexibility: Operates on a rapid-charge Li-ion battery for field use or from an AC mains supply for continuous operation.

The post Megger S1-1568/2 | 15 kV Insulation Tester appeared first on rapid-tech.

Designed for engineers and technicians in utilities, industrial automation, and manufacturing, this instrument provides reliable, accurate, and safe measurements where other testers fail. Its robust construction and advanced features ensure minimal downtime and maximum operational efficiency.

A standout feature of the S1-568/2-AU is its exceptional noise immunity, capable of handling up to 8 mA of noise current. This makes it the ideal choice for testing in extreme high-voltage environments, such as 765 kV switchyards, where electrical interference can compromise measurement accuracy.

The innovative RE>Act™ test mode further enhances reliability by measuring and indicating the impact of re-absorption current, preventing false passes on failing insulation and improving user safety during discharge monitoring.

The S1-568/2-AU combines all the diagnostic capabilities of the Essential and Advanced ranges, including PI, DAR, DD, PDC, and ramp tests. It offers a maximum test voltage of 5 kV and measures insulation resistance up to 30 TΩ.

For enhanced safety, the instrument is rated to CAT IV 1000 V and features a unique dual-case design with a fire-retardant inner casing and a tough, drop-resistant outer shell.

Data management is streamlined with on-board memory and seamless transfer via USB. The S1-568/2-AU is fully compatible with the free CertSuite Asset Lite software, allowing you to transfer time-stamped results directly to a mobile device or laptop for efficient asset management and reporting.

With remote operation capabilities via USB, a rapid-charge Li-ion battery, and the ability to operate from an AC mains supply, the S1-568/2-AU delivers the power, precision, and safety required for critical insulation testing.

Key Features

• Exceptional Noise Immunity: Handles up to 8 mA of noise current, ensuring accurate measurements in extreme EHV environments like 765 kV switchyards.
• RE>Act™ Test Mode: Enhances measurement reliability and safety by detecting and quantifying re-absorption currents.
• 5 kV Test Voltage: Provides a maximum test voltage of 5 kV, suitable for a wide range of high-voltage industrial applications.
• CAT IV 1000 V Safety Rating: Delivers superior user protection, compliant with the highest safety standards for high-altitude and high-voltage testing.
• Comprehensive Diagnostic Tests: Includes IR, PI, DAR, DD, SV, PDC, and Ramp test modes for in-depth insulation analysis.
• Remote Operation & Data Management: Features remote control via USB and compatibility with CertSuite Asset Lite for easy data logging and transfer.
• Dual Power Source: Operates on a rapid-charge Li-ion battery for portability or from an AC mains supply for continuous testing.

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Designed for technicians and engineers who demand straightforward, dependable performance, the MIT1015-AU focuses on efficient, ‘go/no-go’ testing to ensure operational integrity.

With a maximum test voltage of 10kV and an impressive resistance measurement range up to 20 TΩ, this tester is built for a broad spectrum of high-voltage equipment. Its capabilities make it the definitive tool for assessing the condition of cables, transformers, motors, generators, and bushings.

The MIT1015-AU provides an accuracy of ±5% up to 2 TΩ at 10kV, giving you the confidence needed to make informed maintenance decisions. This level of precision is essential for effective industrial insulation testing and predictive maintenance programmes.

Safety is central to the design of the MIT1015-AU. It carries a CAT IV 600 V rating up to 3000m, ensuring superior operator protection in hazardous electrical environments. The robust dual-case construction, featuring a tough outer shell and a fire-retardant inner case, protects the instrument from physical impacts and field conditions.

For maximum operational flexibility, the unit is powered by a rapid-charge Li-ion battery or can run continuously from an AC mains supply. This dual-power capability ensures the MIT1015-AU is always ready to perform when required.

Key Features

• 10kV Test Voltage: Offers selectable test voltages of 500V, 1kV, 2.5kV, 5kV, and 10kV for comprehensive testing of high-voltage electrical systems.
• Expansive Resistance Range: Measures insulation resistance up to 20 TΩ, providing highly accurate results for in-depth analysis of insulation integrity.
• RE>Act™ Mode: Improves measurement reliability by detecting and quantifying re-absorption current, preventing incorrect pass/fail results on critical assets.
• PI Predictor™ Function: Increases testing efficiency by predicting the Polarisation Index (PI) in as little as three minutes, significantly reducing test time.
• Enhanced Safety Standards: Features a CAT IV 600V safety rating to 3000m and a durable dual-case design for maximum user protection.
• Dual Power Flexibility: Operates using a rapid-charge Li-ion battery for portability or can be powered directly from an AC mains supply for uninterrupted use.
• Rugged and Reliable: Housed in an IP65-rated case (when closed) for protection against moisture and dust, it is built to withstand demanding site conditions.

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As part of Megger’s Essential range, this instrument delivers accurate, stable measurements and is built to withstand the rigours of field use. It is the ideal tool for professionals who require straightforward, ‘go/no-go’ testing without the need for data storage, focusing on efficiency and operational safety.

With a maximum test voltage of 5kV and a resistance measurement capability up to 15 TΩ, the MIT515/2-AU is perfectly suited for a wide range of applications. This includes testing cables, transformers, motors, generators, and circuit breakers.

Its design ensures exceptional performance for both quality inspection during manufacturing and routine maintenance checks. The instrument provides a high level of accuracy, with a specification of ±5% up to 1 TΩ at 5kV, ensuring you can trust the results for critical decision-making.

Engineered with user safety as a priority, the MIT515/2-AU features a CAT IV 600 V rating up to 3000m, providing a superior level of protection. The unique dual-case design incorporates a tough outer shell for impact protection and a fire-retardant inner case.

This robust construction makes it a dependable choice for industrial insulation testing. The tester can be operated via its rapid-charge Li-ion battery, offering up to 6 hours of continuous use, or from an AC mains supply for uninterrupted testing. This flexibility ensures the MIT515/2-AU is always ready for reliable insulation resistance measurement when you need it.

Key Features

• 5kV Test Voltage: Provides variable test voltages of 250V, 500V, 1000V, 2500V, and 5000V for versatile application across various electrical assets.
• High Resistance Range: Measures insulation resistance up to 15 TΩ, delivering precise and reliable results for comprehensive diagnostic testing.
• RE>Act™ Mode: This advanced feature measures re-absorption current to enhance the accuracy and reliability of your IR measurements, preventing false passes.
• PI Predictor™ Function: Saves valuable time by predicting the Polarisation Index (PI) as early as 3 minutes into a test, improving productivity.
• Superior Safety Rating: CAT IV 600V safety rating (up to 3000m) and a dual-case design provide exceptional user protection in hazardous environments.
• Flexible Power Options: Operates on a rapid-charge Li-ion battery with a 6-hour typical life or directly from an AC mains supply for continuous operation.
• Rugged, Portable Design: Features an IP65-rated case (lid closed) to protect against dust and moisture, making it ideal for tough field conditions.

The post Megger MIT515/2 Reliable 5kV Insulation Tester appeared first on rapid-tech.

As the flagship model in the Advanced range, it provides unparalleled precision and reliability for technicians and engineers working with critical assets such as power transformers, bushings, large motors, and extensive cable networks. Its rugged, dual-case construction provides superior protection in harsh field environments, with an IP65 rating to safeguard against dust and water ingress.

Designed for operation in extreme EHV substations and other high-interference settings, the MIT1525/2 features an impressive 6 mA noise rejection capability. This ensures stable, accurate readings up to 30 TΩ, allowing for confident assessment of insulation integrity.

The instrument supports a complete range of diagnostic tests, including Polarisation Index (PI), Dielectric Absorption Ratio (DAR), Dielectric Discharge (DD), Stepped Voltage (SV), and Ramp testing, providing a thorough analysis of insulation condition.

Safety is paramount in high-voltage testing, and the MIT1525/2 sets the standard with a CAT IV 1000 V safety rating up to 3000 m. It incorporates multiple safety warnings and is supplied with test leads specifically insulated for 15 kV applications. The instrument offers user-definable test voltages from 100 V to 15 kV, providing maximum flexibility for a variety of testing requirements.

Efficient workflow is supported by advanced data management features, including on-board memory for storing time and date-stamped results. Data can be transferred securely via an isolated USB connection or wirelessly using Bluetooth LE, enabling seamless integration with CertSuite Asset and PowerDB software for in-depth analysis and professional reporting.

The rapid-charge dual Li-ion battery system delivers 4.5 hours of continuous testing and can be powered from an AC source, ensuring the MIT1525/2 is always ready for operation.

Key Features

• 15 kV Test Voltage: Provides high voltage capability for testing transmission-level and other critical high-voltage electrical assets.
• Exceptional Safety Rating: CAT IV 1000 V rating ensures maximum user protection in high-energy environments.
• High Noise Rejection: Delivers 6 mA of noise immunity for reliable and stable measurements in EHV substations.
• Extensive Measurement Range: Measures insulation resistance up to 30 TΩ for comprehensive diagnostic capability.
• Advanced Data Management: Features on-board memory with time/date stamp and data transfer via USB and Bluetooth LE.
• Full Suite of Diagnostic Tests: Includes PI, DAR, DD, SV, PDC, and Ramp test modes for complete insulation analysis.
• Robust Dual-Battery System: Operates on AC mains or its rapid-charge Li-ion batteries for up to 4.5 hours of continuous use.

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