Digital Power Meter-Demo DTWSYOKTRAGL1


Product Highlights

The WT310 is a single phase, portable unit, with the capability of measuring low currents from 50 micro-Amps up to 20 Amps RMS and a voltage ranges from 15 to 600 Volts RMS. The WT310 was designed to accurately measure conversion circuits that use energy saving switching techniques that can cause distorted voltage or current waveforms with high harmonic content. A high resolution sixteen bit Analog to Digital converter, a digitizing rate of 100 kS/s and a bandwidth from DC and 0.5 Hz to 100 kHz allow the WT310 to perform these complicated measurements with ease.

  • Basic Accuracy of 0.1% of Reading
  • Low Current Measurement down to 50 micro-Amps
  • DC, 0.5 Hz to 100 kHz Frequency Range
  • Standard USB, and GPIB or RS232 Interfaces
  • Ideal for Production, Testing, Evaluation and R&D.
Model: Yokogawa WT300 Series Power Meter
Model WT310
Power Measurement 1 element
Available with 20A input element
Basic power accuracy: 0.1% rdg +0.2% of range
Power frequency range: DC, 0.5 Hz to 100 kHz
Frequency range: 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz, and 100 kHz. (autoranging
Sampling Speed: approximately 100 kS, s
Effective Input for V , A: 1% to 130%
Maximum Input for V , A: 1% to 140%
Inputs Crest Factor: Maximum 300
(for crest factor 3) 15V, 30V, 60V, 150V, 300V, 600V
(for crest factor 6) 7.5V, 15V, 30V, 75V, 150V, 300V
Direct Input: Current
(for crest factor 3) 5mA, 10mA, 20mA, 50mA, 100mA, 200mA, 0.5A, 1A, 2A, 5A, 10A, 20A
(for crest factor 6) 2.5mA, 5mA, 10mA, 25mA, 50mA, 100mA, 0.25A, 0.5A, 1A, 2.5A, 5A, 10A
External Input 1: Current Sensor
(for crest factor 3) 2.5V, 5V, 10V
(for crest factor 6) 1.25V, 2.5V, 5V
External Input 2: Current Sensor
(for crest factor 3) 2.5V, 5V, 10V or EX2: 50mV, 100mV, 200mV, 500mV, 1V, 2V
(for crest factor 6) 1.25V, 2.5V, 5V or EX2: 25mV, 50mV, 100mV, 250mV, 500mV, 1V
Measurement Parameters
Main: Voltage, current, active power, reactive power, apparent power, power factor, phase angle, frequency, peak voltage, peak current, crest factor, integration (Wh, Ah, varh, Vah), time, %
  • MAX hold
  • Voltage RMS, MEAN simultaneous measurement
  • Average active power (user defined function)
  • Active power integration (WP) (Wh)
  • Apparent power integration (WS) (VAh)
  • Reactive power integration (WQ) (varh)
Display: 7-segment LED, 4 items - Simultaneous display
  • GP-IB Interface or Serial (RS-232) Interface (standard)
  • USB PC Interface (standard)
  • Ethernet Interface (optional)
Warm-up Time: Approx. 30 minute
Power supply: 100 VAC to 240 VAC rated, permitted 90 VAC to 264 VAC, 48 Hz to 63 Hz
Power consumption: Max 80 VA
Operating Temperature:
  • Temperature: 5°C to 40°C
  • Temperature: -25°C to 60°C (storage)
Storage Temperature: Humidity: 20% RH to 80% RH (No condensation)
Dimensions: Approx. 213 (W) x 88 (H) x 379 (D) mm
Weight: Approx. 3 kg
Battery backup: Setup parameters are backed up with a lithium battery.

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