Model# GW5

Precision AC Watt or VAR Transducer

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Detailed Model Specs

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SPECIFICATIONS

INPUT

Frequency Range:

GW5: 58-62Hz
GV5: 60Hz
Optional 50Hz:
GW5: 48-52Hz
GV5: 50Hz

Power Factor: Any
Burden:
Voltage: <0.1VA/phase
Current: <0.28VA/phase

Overload

Voltage:(cont.)
150Vac Range:175Vac
300Vac Range:350Vac
600Vac Range: 600Vac
Current:(cont.)
0-1, 5, 10Aac Ranges: 2 X F.S.
0-20Aac Range: 20A
Transient :
0-1Aac Range: 20A – 10s/hr
0-5, 10, 20A Ranges: 50A – 10s/hr
0-1Aac Range: 100A – 1s/hr
0-5, 10, 20A Ranges: 250A – 1s/hr

Dielectric Test:(Input/Output/Case) 1800Vac (RMS)
Surge: Withstands IEEE SWC test
OUTPUT
GV5: + = Lagging/ – = Leading
ACCURACY: ± 0.2% RDG ±0.04% F.S.
Includes combined effects of voltage, current, load and power factor.
Output Ripple: < 0.5% F.S.
Output Loading (O):
0-1mA: 0-10K
0-10Vdc: 2K min.
4-20mA: 0-500
0-5Vdc :. 2K min.
Response Time (99%):<400 ms
50 ms Response to 90%: Add suffix “W”
Field Adjustable Cal: ± 2%
Temperature Effect: (-20°C to +65°C) ±0.005%/°C
Operating Humidity: 0-95% non-condensing
Instrument Power:(Std.) 85-135Vac, 60 Hz,7VA
“-22” Option: 230Vac, 50/60Hz, ±15%

APPLICATIONS
  • Equipment monitoring for process control.
  • Integration into energy management systems, or a variety of sub-metering applications.
  • Measurement using direct-connection, current transformers, and/or potential transformers.
FEATURES
  • Accurate regardless of variations in voltage,current, power factor, or load.
  • Available with 1, 2, 2 1/2 or 3 element configurations. Provides bi-directional operation. (Except for 4-20mA output models)
  • Accuracy maintained over wide temperature range, calibration traceable to NIST.