Model# GWV5

Precision AC Watt/Var Transducer

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Detailed Model Specs

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Current: 0-5Aac
Frequency: 60Hz standard; 50Hz optional
Power Factor: Any
Voltage: <0.1VA/phase
Current: <0.28VA/phase
Voltage (cont.): 175V, 350V, 600V
Current (cont.): 10A
Dielectric Test (Input/Output/Case): 1800Vac
Surge: Withstands IEEE SWC test
Operating Humidity: 0-95% non-condensing
Instrument Power (std.): 85-135Vac, 60Hz,7.5VA
Option “-22”: 230Vac, 50/60Hz, ±15%


VARS: + = Lagging/ – = Leading
ACCURACY:±0.2% Rdg. ±0.05% F.S.
Includes combined effects of voltage, current,load and power factor
Output Watts, VAR: See Table
Output Loading (O)
±1mAdc: 0-10K
±10Vdc, ±5Vdc: >2K
4-20mAdc : 0-500
Response Time (99%): <400 ms
50ms Response to 90%: Add suffix “W”
Field Adjustable Cal: ±2% min.
Temperature Effect: -20°C to +60°C
Watt: ±0.005%/°C
VAR: ±0.009%/°C

  • Integration into energy management systems, or a variety of sub-metering applications.
  • Measurement using direct-connection, current transformers, and/or potential transformers.
  • Available in 1, 2, or 3 element configurations. Some models provide bi-directional operation.
  • Accuracy maintained over wide temperature range.
  • Calibration traceable to NIST.