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Ohio Semitronics Watt and Watthour Transducers

GW5 Series 

FEATURES

  • Accurate regardless of variations in voltage, current, power factor, or load. 
  • Available with 1, 1½, 2, 2½ or 3 element configurations. Provides bi-directional operation. 
  • Accuracy maintained over wide temperature range, calibration traceable to NIST. 

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.

SPECIFICATIONS 

INPUT:
  • VOLTAGE: Various - please CALL
  • CURRENT: Various - please CALL
  • FREQUENCY RANGE: 58 - 62 Hz.
    • Optional 50 Hz.: 48 - 52 Hz.
  • POWER FACTOR: Any 
  • BURDEN:
    •  Voltage: Less than 0.1VA per phase
    •  Current: Less than 0.28VA per phase
    •  Output amplifier: 2 Watts
  • OVERLOAD:
  •   Voltage (cont.):
    • 150V range: 175V
    • 300V range: 350V
    • 600V range: 600V
  •   Current (cont.):
    • 5A range: 2 times full-scale
    • 10A range: 2 times full-scale
    • 20A range: Full-scale
  •   (transient):
    • All ranges
    • 50A (10 sec./hr.)
    • 250A (1 sec./hr.)
  • DIELECTRIC TEST (Input/Output/Case): 1800Vac (RMS)
  • SURGE: Withstands IEEE SWC test
  • INSTRUMENT POWER (STD.): 85 - 135Vac, 60 Hz, 7VA.
 OUTPUT:
  • ACCURACY: ± 0.2% RDG.; ± 0.04% F.S.
  • (Includes combined effects of voltage, current, load and power factor.)
  • OUTPUT RIPPLE: Less than 0.5% F.S.
  • OUTPUT LOADING (OHMS):
    • 0 - 1mA: 0 - 10K
    • 0 - 10Vdc: 2K min.
    • 4 - 20mA: 0 - 500
    • 0 - 5Vdc: 2K min.
  • RESPONSE TIME (99%): Less than 200 milliseconds
  • FIELD ADJUSTABLE CAL.: ± 2% min.
  • COMPLIANCE VOLTAGE: 12Vdc min.
  • OPEN CIRCUIT VOLTAGE:
    • 0 - 1mA, 0 - 10Vdc, 0 - 5Vdc outputs: ± 15Vdc
    • 4 - 20mA output: + 30Vdc
  • TEMPERATURE EFFECT (-20o - 65ºC):
    • ± 0.005% per degree C
  • OPERATING HUMIDITY: 0 - 95% non-condensing

 
 

AGW Series Watt Transducers

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. 
  • Accuracy maintained over wide temperature range, calibration traceable to NIST.

APPLICATIONS 

  • Equipment monitoring for process control. 
  • Integration into energy management systems, or a variety of sub-metering applications. 
  • Measurement using direct-connection, current and/or potential transformers.

SPECIFICATIONS 

INPUT:
  • VOLTAGE: Various- please CALL
  • CURRENT: 5A
  • FREQUENCY RANGE: 58 - 62 Hz.
  • POWER FACTOR: Any
  • BURDEN:
    • Voltage: Less than 0.1VA per phase
    • Current: Less than 0.25VA per phase
    •      Output Amplifier: 2 Watts
  • OVERLOAD:
  •   Voltage (cont.): 
    • 150V range: 175V
    • 300V range: 350V
    • 600V range: 600V
  •   Current (cont.):      2 times full-scale
  •   (transient):
    • 50A (10 sec./hr.)
    • 250A (1 sec./hr.)
  • DIELECTRIC TEST (Input/Output/Case): 
    • (150V & 300V) 1800Vac
    • (600V) 2200Vac
  • SURGE: Withstands IEEE SWC test
      •  
 OUTPUT:
  • ACCURACY: ± 0.2% RDG.; ± 0.04% F.S.
    • Includes combined effects of voltage, current, load and power factor.
  • OUTPUT RIPPLE: Less than 0.5% F.S.
  • OUTPUT LOADING (OHMS): 0 - 1mA: 0 - 10K
    • 0 - 10Vdc: 2K min.
    • 4 - 20mA: 0 - 500
  • RESPONSE TIME (99%): Less than 400 milliseconds
  • FIELD ADJUSTABLE CAL: ±2% min.
  • OPEN CIRCUIT VOLTAGE: ±1mA, ±10Vdc outputs: ±15Vdc
    • 4 - 20mA output:+30Vdc
  • TEMPERATURE EFFECT(-20° - 60°C): ±0.005% per degree C
  • OPERATING HUMIDITY: 0 - 95% non-condensing
  • INSTRUMENT POWER (STD): 85 - 135Vac, 60 Hz, 7.5VA.
     

GH Series 

FEATURES

  • Accurate regardless of variations in voltage, current, power factor, or load. 
  • Available with 1, 2, 2 1/2, or 3 element configurations. Bi-directional Watt and Watthour outputs available. 
  • Accuracy maintained over wide temperature range, calibration traceable to NIST.

APPLICATIONS 

  • Equipment monitoring for process control. 
  • Integration into energy management systems, or a variety of sub-metering applications. 
  • Measurement using direct-connection, current and/ or potential transformers.

SPECIFICATIONS 

INPUT:
  • VOLTAGE: Various - please CALL
  • CURRENT: Various - please CALLFREQUENCY RANGE: 58 - 62 Hz.
    • Optional 50 Hz.: 48 - 52 Hz.
  • POWER FACTOR: Any 
  • BURDEN:
    • Voltage: 0.1VA per phase
    • Current: 0.28VA per phase
  • OVERLOAD:
  •   Voltage (cont.):
    • 150V range: 175V
    • 300V range: 350V
    • 600V range: 600V
  •   Current (cont.):
    • 5A range: 2 times full-scale
    • 10A range: 2 times full-scale
    • 20A range: Full-scale
  •   (transient):
    • All ranges
    • 50A (10 sec./hr.)
    • 250A (1 sec./hr.)
  • DIELECTRIC TEST (Input/Output/Case): 1800Vac (RMS)
  • SURGE: Withstands IEEE SWC test

    •  

     
     
     
     
     

 OUTPUT:
  • ACCURACY: ± 0.2% RDG.; ± 0.05% F.S.
    •   Includes combined effects of voltage, current, load and power factor.
  • WH RELAY: N/O SPST; 120Vac,0.5A rated,
  •   contact closure period: 200 milliseconds
  • OPTION T: 5V TTL
  • OPTIONAL FORM C: Merc. wetted SPDT; 120Vac, 
    • 1.0A rated, contact closure period: 200 milliseconds
  • ANALOG OUTPUT RIPPLE: Less than 0.5% F.S.
  • OUTPUT LOADING (OHMS):
    • ± 1mA: 0 - 10K, 4 - 20mA: 0 - 500
    • ± 10Vdc: 2K min.
  • RESPONSE TIME (99%): Less than 400 milliseconds
  • FIELD ADJUSTABLE CAL.: ± 2% min.
  • COMPLIANCE VOLTAGE: 12Vdc min.
  • OPEN CIRCUIT VOLTAGE: ± 15Vdc
  • TEMPERATURE EFFECT (-20o - 60ºC):
    • ± 0.005% per degree C
  • OPERATING HUMIDITY: 0 - 95% non-condensing
  • INSTRUMENT POWER (STD.): 85 - 135Vac, 60 Hz., 7.5VA

AGH Series Watthour Transducers

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. 
  • Accuracy maintained over wide temperature range, calibration traceable to NIST.

APPLICATIONS 

  • Equipment monitoring for process control. 
  • Integration into energy management systems, or a variety of sub-metering applications. 
  • Measurement using direct-connection, current and/or potential transformers.

SPECIFICATIONS 

INPUT:
  • VOLTAGE: Various- please 
  • CALLCURRENT: 5A
  • FREQUENCY RANGE: 58 - 62 Hz.
  • POWER FACTOR: Any
  • BURDEN:
    • Voltage: Less than 0.1VA per phase
    • Current: Less than 0.25VA per phase
    • Output Amplifier: 2 Watts
  • OVERLOAD:
  • Voltage (cont.): 
    • 150V range: 175V
    • 300V range: 350V
    • 600V range: 600V
  •   Current (cont.):      2 times full-scale
  •   (transient):
    • 50A (10 sec./hr.)
    • 250A (1 sec./hr.)
  • DIELECTRIC TEST (Input/Output/Case): 
    • (150V & 300V) 1800Vac
    • (600V) 2200Vac
  • SURGE: Withstands IEEE SWC test
      •  
 OUTPUT:
  • ACCURACY: ± 0.2% RDG.; ± 0.04% F.S.
    • (Includes combined effects of voltage, current, load and power factor.)
  • WH RELAY: N/O SPST; 120Vac, 0.5A rated
    • Contact closure period: 200 milliseconds
  • CLOSURE CALIBRATION (STD.): 1 Watthour/closure 
  • ANALOG OUTPUT RIPPLE: Less than 0.5% F.S.
  • ANALOG OUTPUT LOADING (OHMS): 0 - 1mA: 0 - 10K
    • 0 - 10Vdc: 2K min.
    • 4 - 20mA: 0 - 500
  • RESPONSE TIME (99%): Less than 400 milliseconds
  • TEMPERATURE EFFECT (-20o - 60ºC):
    • ± 0.005% per degree C
  • INSTRUMENT POWER: 90 - 135Vac, 60 Hz, 7.5VA

 
     

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