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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Ensure accuracy, efficiency, and reliability in your automotive testing processes with our cutting-edge Yokogawa SL2000 Vehicle Signal Measurement and Data Monitoring System.

Designed for researchers, engineers, and professionals in the automotive industry, this comprehensive solution integrates seamlessly with existing systems, offering unparalleled functionality and precision.

• High-speed performance: Up to 200 MS/s sampling rate
• Safe and versatile: Isolated 1000 V input, expandable to 7000 V with a differential probe
• Exceptional memory: Up to 8 G points for extensive data storage
• Scalable channels: Connect up to 5 units for 160 channels or 640 channels with the 720221 16-channel module
• Fast data transfer: 10 Gbps PC streaming for efficient analysis
• Advanced features: Real-time calculations, power analysis, and motor dq analysis

Key Features

1. Comprehensive Signal Synchronisation

Capture, analyse, and correlate crucial data with ease. This system displays the ON/OFF signal of the ignition switch, the associated CAN/CAN FD signals, and the actual pressure sensor signals all on a single interface. This real-time synchronisation allows for streamlined analysis and improves testing accuracy.

2. GPS Integration for Enhanced Contextual Data

Add depth to your measurement data with integrated GPS functionality. Simply connect a GPS unit to incorporate precise latitude, longitude, altitude, speed, direction, and timestamp information into your datasets. This feature is particularly valuable for real-world automotive testing scenarios, ensuring no context is lost.

3. Visualise Data and Driving Position

Powered by the advanced DIAdem software, this system enables simultaneous visualisation of measurement data and driving position. Enjoy the ability to overlay measurement results with vehicle movement on a single, user-friendly screen, making your data analysis more intuitive and efficient.

4. Remote Monitoring and Control

With IoT gateways or M2M routers, you can conduct remote control and data monitoring activities wirelessly. This not only enhances flexibility but also allows real-time monitoring from virtually anywhere, making long-distance collaboration or field testing far more convenient.

Benefits

• High Efficiency: Simplify your testing process through integrated data collection and analysis tools, reducing unnecessary manual tasks.
• Unmatched Accuracy: With precise synchronisation and GPS capability, you get a true representation of vehicle performance in real-world conditions.
• Scalability: Whether for small-scale tests or enterprise applications, this system adapts to meet your needs.
• Cost-Effective: Reduce time and resources spent on redundant processes and enjoy long-term savings with this all-in-one solution.

Applications

This advanced system is invaluable for a wide range of applications, including but not limited to:

• Automotive performance testing
• Advanced driver-assistance system (ADAS) development
• Telematics and data logging
• Calibration of vehicle components

Why Choose Us?

Our Yokogawa SL2000 Vehicle Signal Measurement and Data Monitoring System stands out due to its robust, user-centric design and flexible integration options. With excellent technical support and scalable configurations, we ensure our system meets the evolving needs of your business.

Order Now

Take your automotive testing to the next level. Order the Yokogawa SL2000 today and experience the benefits of advanced vehicle signal measurement and monitoring. Enhance your efficiency, precision, and decision-making capabilities with our innovative solution.

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Unlock unparalleled accuracy and precision in power measurement with the Yokogawa WT1800R Precision Power Analyzer, designed specifically for high-precision performance.

Elevate your measurement capabilities with the world’s best-in-class power measurement accuracy, ensuring top-tier performance in any high-end application. The WT1800R series is engineered to reinforce our position as a leading power analyzer in the competitive market, offering unmatched precision to meet the demanding needs of your projects.

The WT1800R delivers:

• Accuracy – The WT1800R is the only instrument in its class that guarantees a power accuracy of 0.05% of reading plus 0.05% of range and is capable of harmonics analysis up to the 500th order of a 50/60 Hz fundamental frequency.
• Reliability – Measurements need to be repeatable as well as accurate. The stability of the WT1800R ensures that precision measurements can be made today and over the long term.
• Versatility – With up to 6 input channels, a wide range of display and analysis features, and PC solution for a broad range of power efficiency and harmonic analysis requirements

Superior Measurement Accuracy

At the heart of the WT1800R is its exceptional power accuracy of ±0.1%, making it a standout in its class. This precision is maintained even in the presence of a significant phase difference between voltage and current, courtesy of its low power-factor error.

With AC accuracy assured from as low as 1% to as high as 110% of the chosen voltage and current range, the WT1800R remains a steadfast instrument in diverse conditions.

Dynamic Range and Versatility

The WT1800R boasts a wide dynamic range, ensuring accurate power measurements across fluctuating current levels. This makes it an ideal choice for various power measurement applications.

Utilize its powerful support for motor evaluations, facilitated by advanced math functions and synchronous measurements with waveform measuring instruments. The analyzer also empowers you with the calculation of Ld and Lq values, streamlining parameter computations and easing complex operation processes.

Seamless Integration and Data Management

Experience seamless connectivity by integrating the WT1800R with the IS8001/IS8002 Integrated Software Platform. This enables remote operation from any PC and convenient local data storage. The IS8001/IS8002 platform also allows for synchronous measurement with high-speed data loggers like DL950, enhancing your analytical capabilities further. Benefit from total harmonic distortion and harmonic distortion factor measurements, alongside maximum power value evaluations.

Backward Compatibility and Advanced Display Features

The WT1800R is backward compatible, supporting multi-channel measurements, harmonic comparisons, and comprehensive vector and trend analyses. Customize your data collection with tailored triggers and computations.

Synchronize across multiple units for broader analytical scopes and manage storage efficiently with options ranging from internal memory to USB devices, ensuring you never lose critical data.

Empowering Innovation with Precision

As the world shifts towards more efficient power generation and conversion, projects at the forefront of renewable energy and electric vehicles need precise instruments like the WT1800R.

Whether you’re assessing multiphase inputs during motor and drive design or striving to meet rigorous efficiency standards in photovoltaic inverters, the Yokogawa WT1800R offers a precise, reliable, and essential tool.

Precision, Reliability, and Versatility

Guaranteeing an unparalleled power accuracy of 0.05% of reading plus 0.05% of range, the WT1800R is peerless in analyzing harmonics up to the 500th order of a 50/60 Hz frequency. Its design ensures stability and repeatability, critical for precision measurements over extensive testing cycles.

With up to six input channels and comprehensive PC connectivity, the WT1800R stands out as the ultimate solution for a wide array of power efficiency and harmonic analysis applications.

Revitalize your measurement capabilities and drive your projects to success with the unparalleled accuracy and innovation of the Yokogawa WT1800R Precision Power Analyzer.

Interfaces and Connections

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Enhance Your Optical Network Testing with Precision

For professionals who require exceptional accuracy in optical reflection measurements, the Yokogawa AQ7420 High-Resolution Reflectometer stands out as the premier solution. This advanced instrument is designed for critical communication infrastructures that demand high precision and reliability, including space satellite links, submarine fibre optic connections, datacentres, cell towers (FTTA), and silicon photonics research.

Exceptional Detection Capability

The AQ7420 Reflectometer is uniquely capable of detecting microcracks in optical connectors—flaws that can lead to unpredictable and potentially serious failures. This capability is particularly vital in environments subject to physical stress, including movement, vibration, and fluctuations in temperature. By accurately identifying the quantity and location of reflections, the AQ7420 ensures the reliability of optical networks.

Comprehensive Reflection and Loss Analysis

One of the standout features of the AQ7420 is its ability to conduct simultaneous measurements of multiple reflections and insertion loss. With an uncertainty of ±3 dB in reflection measurements and ±0.02 dB in insertion loss using the optical sensor head, this device provides comprehensive analytical capability. The AQ7420 is not just a tool for detection; it transforms optical inspection by optimizing both reflection and insertion loss measurements traditionally overlooked due to the inadequacy of older models.

Minimized Spurious Noise for Simplified Analysis

Spurious noise can lead to inaccurate analysis in conventional reflectometers, causing false appearances where no actual reflection exists. The Yokogawa AQ7420 effectively reduces spurious noise to a competitive −100 dB, eliminating ghost effects and simplifying waveform analysis significantly. Reduced spurious noise ensures data integrity and enhances the confidence with which you can interpret results.

Unprecedented Precision and Methodology

With a measurement distance of 100 mm (approximately 4 inches) and a spatial resolution of 40 μm, the AQ7420 delivers unmatched precision in its measurements. This capability is critical for ensuring pristine quality control and advanced diagnostics in high-demand optical communication environments.

Why Choose the Yokogawa AQ7420?

• Precision: Detect microscopic flaws with unparalleled accuracy.
• Comprehensive Analysis: Measure reflection and insertion loss simultaneously for full insight.
• Spurious Noise Reduction: Experience reduced noise interference for true reflection data.
• Versatile Application: Ideal for a range of industries from space to telecommunications.

Explore the transformative capabilities of the Yokogawa AQ7420 High-Resolution Reflectometer today. Investing in this device means ensuring your optical networks remain robust, reliable, and high-performing. For professionals who won’t compromise on quality or precision, the AQ7420 is an indispensable addition to any optical testing toolkit.

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Introducing the Yokogawa AQ6374E, your cutting-edge solution for optical spectrum analysis. Covering wavelengths from visible light to communication wavelengths, this bench-top marvel is the go-to tool for spectral measurement of a diverse range of optical devices, including laser measurements.

Unmatched Functionality and Performance

The AQ6374E stands out from the crowd with its wide measurement wavelength range—an invaluable feature for evaluating nonlinear optical phenomena of laser excitation and loss characteristics of optical fibers. Add to this a broad optical dynamic range, you have a device that can accurately measure the Side Mode Suppression Ratio (SMSR), a key indicator for various lasers used in industrial equipment, bio and medical fields, and research institutions.

State-of-the-Art Features

Designed for precision and versatility, the Yokogawa AQ6374E is equipped with high wavelength resolution performance, a purge feature for more reliable measurements, and a built-in cut filter for high order diffracted light. The standout feature? A large, multi-touch touchscreen that offers a user-friendly experience akin to operating a tablet device.

Benchmark Specifications

When it comes to specs, the Yokogawa AQ6374E is a powerhouse. It boasts a wide dynamic and level range, fast measurement speed, and an impressive wavelength range. With high wavelength resolution and accuracy, a built-in filter, and sensitivity of -80 dBm (900 – 1600 nm), this optical spectrum analyser sets the standard in optical device measurement.

Ideal for a Variety of Applications

Whether you’re involved in industrial laser equipment, AR, VR, and MR laser modules, Bio and Medical research, optical fiber, or quantum technologies, the AQ6374E is your trusted partner. It’s a hit among universities, research labs, and optical device manufacturers—and with a 12-month warranty, you can trust in the quality and durability of the Yokogawa brand.

Order the Yokogawa AQ6374E today—your all-in-one solution to optical spectrum analysis.

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Welcome to the product page of the AQ6373E Optical Spectrum Analyzer, the ultimate solution for versatile applications. We have engineered this device with cutting-edge features to support the development of applied photonics equipment, such as optical active and passive devices, medical/bio equipment, home electronics, industrial machinery, and telecommunication systems.

Unrivaled Performance and Efficiency

The AQ6373E Optical Spectrum Analyzer stands out in the market for its wide span sweep with high resolution and easy accuracy maintenance. With an impressive 200,001 data sampling points, it makes your measurements more efficient. It also has built-in features to maintain high optical performance, ensuring quick-start measurements.

User-friendly Design

Navigating through the AQ6373E is a breeze, thanks to the large 10.4-inch multi-touch capacitive touchscreen. The interface is as easy as operating a tablet device, and the waveform view can be zoomed or shifted with a simple tap and drag. With four USB ports, you can easily connect external devices such as a mouse, keyboard, external hard drives, and memory sticks.

Diverse Functionalities

The AQ6373E comes with an Advanced Marker for adding markers to designated spectrums. It also offers multiple data analysis functions, including OSNR, DFB-LD, FP-LD, LED, SMSR, Color Analysis and more. Additionally, seven individual traces, a built-in macro programming, and DUT-oriented test apps enhance its functionality.

Applications and Target Market

The AQ6373E serves a wide range of applications, from optical active devices like laser diode/fiber laser to home electronics such as next-gen optical disc and LED products. It is also perfect for the industrial sector, including laser micro-machine and laser makers. Target business segments include universities and research labs, and optical device manufacturers.

Warranty

We stand behind the quality of our products. That’s why we offer a 12-month warranty period with the AQ6373E Optical Spectrum Analyzer.

Explore the AQ6373E Optical Spectrum Analyzer and experience the blend of advanced technology and user-friendly design. Revolutionize your photonics equipment development today!

Key Features

Superior Optical Performance

Experience High Resolution & Remarkable Dynamic Range

Our cutting-edge monochromator provides unparalleled wavelength resolution and dynamic range. With its sharp spectral features, you can easily separate and accurately measure spectral signals that are in close proximity.

Exceptional Sensitivity

Our technology allows for precise and rapid measurements of weak optical signals.

Variable Sensitivity Settings*

Choose from seven sensitivity settings to meet your specific test applications and measurement speed requirements.

*Excludes Limited Model

Enhanced Dynamic Mode

Our dynamic range capabilities can be augmented by minimizing the impact of stray-light, which typically occurs when the input consists of a robust optical signal.

Peak-Hold & External Trigger Mode

Our system allows for measuring the pulse peak spectrum of a pulsed light signal. This functionality is essential for transmission loop testing in telecommunication systems and for measuring low power at the initial phase of laser chip development to capture the peak power of a pulsed signal.

Versatile Free Space Input

Our free space input feature supports both multimode and single-mode fiber on the same Optical Spectrum Analyzer (OSA). With small insertion loss variation at the input connector, our OSA assures consistent measurement repeatability.

Speedy Sweep

Our advanced monochromator, combined with rapid electrical circuits and noise reduction techniques, ensures swift measurement even when assessing a steep spectrum from DFB-LD signals or a low power signal from a broadband light source.

Broad Span Sweep with Optimal Resolution

With 200,001 data sampling points, our system expands the measurement range in a single sweep while maintaining high wavelength resolution.

Easy Accuracy Maintenance

Despite external factors such as environmental changes, vibrations, and shocks, our AQ6373E can maintain peak optical performance within minutes, thereby promoting rapid start measurements.

Optical Alignment

Our system automatically aligns the optical path in the monochromator using the built-in source to preserve optimal performance.

Wavelength Calibration

Our OSA allows for automatic calibration with an external light source to guarantee wavelength accuracy.

Built-In Optical Alignment Source

For wavelength calibration, an external light source is required. In certain instances, the optical alignment and wavelength calibration function may not rectify optical performance.

Thumbnail File Preview

With our system, you can easily identify specific files among thousands in internal and external storage.

USB Ports

Our device includes four USB ports, facilitating the use of external devices such as a mouse, keyboard, external hard drives, and memory sticks.

Large Touchscreen LCD

Enjoy the ease of operation with our high-resolution 10.4-inch multi-touch capacitive touchscreen. Alter measurement conditions, perform analyses, and change the optical spectrum view with the simplicity of tablet device operation.

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The OSA combines smart technology and functionality, such as an intuitive touchscreen, automatic wavelength calibration, and optimized sweep speed, allowing users to operate more efficiently. AQ6380 OSA’s additional features include a gas purging mechanism, fully-automated wavelength calibration, compatibility with high-resolution and high sample counts, and single-mode fiber input.

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• Sources and measures DC voltage, DC current, RTD, TC, resistance, frequency and pulse signals
• Corresponds to 17 types of TC standard (JIS/IEC/DIN/ASTM/GOST R)
• Corresponds to 14 types of RTD standard (JIS/IEC/GOST R)

Multiple source patterns

Linear sweep function
Continuously Source from 0% to 100%

Step sweep function
Change output in a staircase (step) pattern by specifying the number of steps. (The number of steps can be set from 2 to 20)

Program sweep function
Users can set the desired output value (%) and number of steps. (10 steps for CA500, 20 steps for CA550)

Functions

Automatic input/output testing *CA550 only (Program sweep)

Automatic input/output testing is possible by setting source values for each step for a calibration target. Calibration results such as generated value, measured value, error rate, date/time, and pass/fail are saved in CSV format in the CA550 main unit.

By connecting the CA550 to a PC using a standard USB cable, the instrument can be recognized as a mass-storage device for data to be transferred to the PC.

HART Communication Protocol *CA550 only

Firmware Ver2.03 or later (released)

The following items are supported by HART communication function:

*HART communication that supports some of the universal commands and common Practice commands.
*BRAIN communication only supports acquisition of Tag No.

Easy-to-view Display

Easy-to-use key operation

SQUARE ROOT output

THERMOCOUPLE SIMULATE

The CA500 series corresponds to 17 types of TC for sourcing. It achieves the high basic accuracy of 0.5°C (typical of type K), two times better than the previous model.

Also, input/output testing is possible with a single CA500/CA550, as it can measure output signals.

RTD SIMULATE

CA500/CA550 corresponds to 14 types of RTD for sourcing. It achieves a high basic accuracy of 0.1°C* (typical of type Pt100), which enables it to operate a highly reliable test.

Additionally, input and output testing of temperature transmitters is possible at the same time.
*Accuracy for CA550

PULSE SIMULATE

The CA500 performs measurement of pulse signal integration from a flowmeter and generates a pulse to a receiver, such as integrating counter or pulse converter. Integration time can be set from 1 min to 60 min.

YOKOGAWA CA500 Documenting Process Calibrator-HART is an alternative product to the Fluke 754

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