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Accurate to 0.2% of Reading

  • Accurate regardless of variations in voltage, current, power factor, or load.
  • Available in 1-, 1½-, 2-, 2½-, or 3-element confi gurations.
  • Provides Leading/Lagging VAR indication.
  • Accuracy maintained over wide temperature range, calibration traceable to NIST.
  • For UL Listed precision Watt transducers, see AGW Series.
  • 5 year warranty

Model GW5 / GV5



The model GW5 Watt transducer provides power measurements to within ±0.2% of reading accuracy in single- or polyphase systems. The Model GV5 VAR transducer provides reactive power measurements to within ±0.2% of reading accuracy in single- or polyphase systems. The electrically-isolated dc output is proportional to the instantaneous power averaged over several cycles.

Currents up to 20A and voltages up to 600Vac can be directly connected to the GW5 and GV5, thus eliminating the additional cost and additive errors of current and voltage transformers for these ranges. The GW5 and GV5 can be used with OSI metering class current transformers for measurements up to 10 kiloamperes.

Specific outputs can be selected to interface with any data acquisition system from a simple recorder to a computer-, SCADA-, or PLC-based system.

The GW5 is widely used in a variety of applications, including hydroelectric generator output measurement, end-of-line appliance testing for energy consumption, building automation, energy management, and cogeneration systems.


  • 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.

Click here for the complete information in .pdf format

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CTH Controls Inc.   CTH Controls Inc.
5100 South Service Road, Unit 2
Burlington, ON. L7L 6A5 Canada
Phone: 905-792-6829
Toll Free: 1-888-550-6829
Fax: 905-792-6902
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