Yokogawa - WT300E Digital Power Meter

Yokogawa - WT300E Digital Power Meter
The WT310E provides extremely low current measurement capability down to 50 micro-Amps, and a maximum of up to 26 Amps RMS. This instrument is ideal for engineers performing stand-by-power measurements, Energy Star®, SPECpower and IEC62301 / EN50564 testing, battery charger and other low-level power measurements.

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The WT300E's wide range of functions and enhanced specifications, allows handling of all the measurement applications from low frequency to high frequency inverters using a single power meter.

Accuracy with fast display and update rate: 

The WT300E series with the fast display update rate of 100ms, offer’s engineers a short tact time in their testing procedures. The basic accuracy for all input ranges is 0.1% rdg + 0.05% rng (50/60Hz) and DC 0.1% rdg + 0.2% rng.

Simultaneous Measurement:

U/I/P/Freq/Integ(+/-)/Harmonics components/ THD with max. 100ms cycle.

In addition to standard power measurements, the WT300E series measures all DC and AC parameters. Additionally, the WT300E series can measure harmonics and perform integration simultaneously without changing the measurement mode. The accompanying WTViewerFreePlus software can monitor and save the 200 parameters used. 

Auto ranging function available in selected ranges.

The auto-range function is used to select or change the ranges automatically, within specified ranges. This results in shorter range changing times, allowing more efficient testing.

3 Input Signal Change

Auto Ranging Function For Integration Measurement

Typically, when power meters operate in an integration mode to measure power consumption and standby power, the measuring ranges need to be fixed. However, if the level of the input exceeds the maximum of the selected range, the test will need to be repeated. The WT300E Series has a high-speed automatic ranging capability in integration mode, which removes the need to repeat any test.

Bandwidth: DC and 0.1Hz to 100 kHz (WT310EH is up to 20 kHz for 40A).

Direct Input: Maximum direct input of up to 600V and 20A, or 40A (incase of WT310EH). The wide current input ranges on the WT310E series, give users the option to measure current as low as 50 micro-Amps to as high as 40Arms (incase of WT310EH).

High-speed data update (up to 10 readings per second.)

The WT300E series offers a wide range of communication interfaces such as USB, GP-IB or RS-232 (selectable) and Ethernet Modbus/TCP (Optional)

Wide current input range

WT300E Lineup

  • Wide current input ranges: The WT300E series covers a broad range of current inputs, from few mA up to 40 A rms. Both AC and DC waveforms can be measured.
  • Simultaneous measurement of all parameters: The WT300E can measure all DC and AC parameters. The WT300E series can also measure harmonics and perform integration simultaneously without changing the measurement mode.
  • Fast display and data update rate: The fast display and a maximum data update rate of 100ms on the WT300E series, offers a short tact time in testing procedures. 
  • MAX hold function: The maximum values of RMS/PEAK Voltage & Current, Active Power, Reactive Power and Apparent Power can be held.
  • Line filter and frequency filter capabilities: These filter functions will cut off unnecessary noise & harmonic components for fundamental waveform measurements.

Users therefore have the flexibility to choose a variety of settings according to their application needs e.g. from production lines to engineering test benches. Users can use WTViewerFreePlus software to set up all basic and advanced measurements. Additionally, the numeric values, waveform display* and trend graphs of the measurement data can be displayed and saved.

*Waveform display requires the /G5 Harmonic option

4 Waveform Display WT300E

Connectivity of Modbus/TCP*1 with YOKOGAWA’s recorders and Ethernet*1 with PLC

Digital data measured by the WT series can be acquired by YOKOGAWA’s recorder GP10*2, *3 and GM*2, *3 via Ethernet or Modbus/TCP directly. It is also possible to make use of the GA10*2 data logging software to monitor and record data.

The WT300E series can also be connected with YOKOGAWA’s PLC, FA-M3V*2 using Modbus TCP protocol for production fields.

*1 /C7 Ethernet option is required.

*2 GP10/GM/GA10/FA-M3V are manufactured by Yokogawa Electric Corporation.

*3 /E2 and /MC options are required.

5 Modbu WT300E 1

D/A output for measurement recording

The D/A option is used to output Voltage, Current, Power, and other measured data for recording to data loggers using the +/-5Vdc scaled outputs. 

6 D A Output Measurement Recording WT300E 1

Comparator Mode

This mode will compare measured, computed, and integrated values with previously set determined values by the communication command, and output (from -5V to +5V) determined results by D/A output. 

Automatic Zero Adjustment

The WT300E series compensates for any drift in the zero level by automatically performing a zero adjustment when the input ranges are changed. This is achieved in less than 100 ms and does not require disconnecting wires.

More Product Information

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Yokogawa - AQ2170 Portable Optical Power Meter
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Yokogawa - WTViewerFreePlus For WT300/WT300E Series (Included)
The WTViewerFreePlus software can capture measured numeric values, harmonic values, and waveform data. The data can be transferred to a PC via a USB, GP-IB/RS-232 or Ethernet communication interface, and it can be displayed and saved onto the PC.

Following 11 Languages are supported; 
  •   English, Japanese, Chinese Simplified, Chinese Traditional, German, Italian, Korean, Russian, Spanish, Thai and Indonesian

Coherent Solutions - matrIQ-Power™ 1400 Series – Optical Power Meter
  • Single logarithmic amplifier
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  • Excellent measurement correlation with our optical PXI modules
    • Shared product architecture lets you validate your system and test requirements in the lab with matrIQ-Power, and scale up to high-volume automated production testing with the PowerPXIe module.
  • Simple, intuitive operation with cohesionUI
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  • Ultra compact and flexible form factor
    • Housed in a compact and robust metallic case, its extremely small footprint helps you make the most of your available bench space.
  • USB or Ethernet operation
    • Connect to matrIQ-Power with USB or Ethernet for simple setup and operation.
  • Up to 4 channels in a unit
    • Make simultaneous measurements and save time with up to 4 independent channels in a single compact unit.
  • Data Logging Capability
    • Data logging of up to 1024 samples is available on 2 channels, so you can capture transient events with ease.
  • Product warranty
    • This product comes with a 3 year warranty.

Coherent Solutions - matrIQ-Power™ 1500 Series – Optical Power Meter with Analog Output
  • Single logarithmic amplifier
    • Use of a logarithmic amplifier eliminates the gain jumps exhibited by power meters with multi-stage linear amplifiers. Get consistent and reliable measurement at all power levels.
  • Supports single-mode and multimode applications
    • Accepts either single-mode or multimode fiber for a seamless integration into your setup.
  • Analog output for seamless hardware integration
    • The analog output can be integrated into your hardware set-up for fast power feedback in the order of kHz. The logarithmic output makes it easy to detect low-power signals.
  • Digital optical power readout
    • Convenient digital output of optical power makes it great for applications that require real-time feedback.
  • Simple, intuitive operation with cohesionUI
    • Control the matrIQ-Power from your PC or mobile device. Plus, large format view mode makes it easy to monitor your instrument even when working away from your desk.
  • Ultra compact and flexible form factor
    • Housed in a compact and robust metallic case, its extremely small footprint helps you make the most of your available bench space.
  • USB or Ethernet operation
    • Connect to matrIQ-Power with USB or Ethernet for simple setup and operation.
  • Excellent measurement correlation with our optical PXI modules
    • Shared product architecture lets you validate your system and test requirements in the lab with matrIQ-Power, and scale up to high-volume automated production testing with the PowerPXIe module.
  • Product warranty
    • This product comes with a 3 year warranty.

Coherent Solutions - PowerPXIe 1500 Series – Optical Power Meter Module
  • Single logarithmic amplifier
    • Use of a logarithmic amplifier eliminates the gain jumps exhibited by power meters with multi-stage linear amplifiers. Get consistent and reliable measurement at all power levels
  • Supports single-mode and multimode applications
    • Accepts either single-mode or multimode fiber for a seamless integration into your setup.
  • Analog output for seamless hardware integration
    • The analog output can be integrated into your hardware set-up for fast power feedback in the order of kHz. The logarithmic output makes it easy to detect low-power signals.
  • Digital optical power readout
    • Convenient digital output of optical power makes it great for applications that require real-time feedback.
  • Product warranty
    • This product comes with a 3 year warranty.

Coherent Solutions - PowerPXIe 1400 Series – Optical Power Meter Module
  • Single logarithmic amplifier
    • Use of a logarithmic amplifier eliminates the gain jumps exhibited by power meters with multi-stage linear amplifiers. Get consistent and reliable measurement at all power levels.
  • Simple, intuitive operation with cohesionUI
    • Control the Power-PXIe from your PC or mobile device. Plus, large format view mode makes it easy to monitor your instrument even when working away from your desk.
  • Data Logging Capability
    • Data logging of up to 1024 samples is available on 2 channels, so you can capture transient events with ease.
  • Seamless PXI integration
    • Take advantage of PXI’s integrated triggering and synchronization capabilities across electrical and optical instruments.
  • Product warranty
    • This product comes with a 3 year warranty.

Coherent Solutions - PowerPXIe 1600 Series – Inline Optical Power Meter Module
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  • Simple, intuitive operation with cohesionUI
    • Control the Power-PXIe from your PC or mobile device. Plus, large format view mode makes it easy to monitor your instrument even when working away from your desk.
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  • Product warranty
    • This product comes with a 3 year warranty.

Yokogawa - MT300 Digital Manometer
The MT300 delivers high speed, high resolution, and synchronous measurements for high measurement accuracy and long term stability. It offers various functions for field device calibration, including 24 VDC transmitter output, built-in communication resistance, and Li-ion battery operation. The D/A output makes it easy to output data to a recorder or other instrument, and external I/O terminals allow users to output control signals.
Engineered with Yokogawa's silicon-based resonant sensor, the MT300 achieves:
  • a high measurement accuracy of 0.01% as absolute accuracy
  • long-term stability performance guaranteed with a measurement accuracy of 12 months