RCTrms Series
  • RCTrms Series

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Manufacturer: PEM

RCTrms Series

The RCTrms is an AC current transducer for permanent installation. Simple to install and easy to retrofit it combines the benefits of a thin, flexible, clip-around Rogowski (sense) coil with a signal conditioner providing accurate, true rms measurement, of AC current. The RCTrms has an industry standard 4-20mA output making it ideal for process control, status alarming or system monitoring purposes. Typically the RCTrms is used with SCADA systems, PLCs, data loggers and protection equipment.

Features:

  • Easy to retrofit
  • Simple to install in applications where space is limited
  • The size of the Rogowski coil can be specified independently of the primary current
  • Does not suffer from magnetic saturation
  • Intrinsically safe
  • Ideal for process control, status alarming or system monitoring in a wide variety of applications, from arc furnaces to power distribution 

Technical data:

  • Traceable calibration
    • Every unit is supplied with a traceable calibration certificate
    • No magnetic materials means excellent linearity <0.2% of reading
  • Fully isolated measurement
    • Isolated power supply 2kVdc
    • Coil rated at 2kVpeak (withstand test is 4kVrms / 50Hz/ 60 sec)
  • Small DIN rail (or panel mount) enclosure – UL94 V-0 rated
 

Options:

  • Isolated BNC-BNC cable split option
    - Between coil and electronics to enable ease of
    installation e.g. threading through existing conduit.
    Standard cable permanently fixed
  • IP65 die-cast aluminium panel mount enclosure
Rated current [Arms] 100, 250, 500, 800, 1000, 1600, 2000, 2500, 3000, 4000, 5000, 8000,10000,16000, 20000, 25000, 40000, 50000
Rated output (Full scale FS)

4 ÷ 20mA
Output limit 150% FS (28mA)
Supply voltage (Wide input) 12Vdc (-10%) to 24Vdc (+20%)
Input power 0.7W (at rated output)
Operating temperature range -5°C do +65°C (Integrator electronics)
-20°C do +80°C (Coil and cable)
Bandwidth (-3dB) 2Hz do 100kHz
Max. Response time (10 to 90%) 1000ms
Accuracy (typ.) ±1.5% of reading (10% to 150% FS, 25°C)
Output load <300Ω
Coil Length 300mm, 500mm or 700mm (Custom lengths available)
Cable Length 1m or 2,5m (Custom lengths available)

Connections
Catalogue number
Current range [A]:
250, 500, 800, 1000, 1600, 2000, 2500, 3000, 4000, 5000, 8000, 10000, 16000, 20000, 25000, 30000, 40000, 50000
Cable Length [m]:
1
2,5
.... Custom lengths available
Coil Length [mm]:
300
500
700
.... Custom lengths available
Options:
BC - option with detachable cable with BNC terminals
Dimensions [mm]

Less
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The RCTrms is an AC current transducer for permanent installation. Simple to install and easy to retrofit it combines the benefits of a thin, flexible, clip-around Rogowski (sense) coil with a signal conditioner providing accurate, true rms measurement, of AC current. The RCTrms has an industry standard 4-20mA output making it ideal for process control, status alarming or system monitoring purposes. Typically the RCTrms is used with SCADA systems, PLCs, data loggers and protection equipment.

Features:

  • Easy to retrofit
  • Simple to install in applications where space is limited
  • The size of the Rogowski coil can be specified independently of the primary current
  • Does not suffer from magnetic saturation
  • Intrinsically safe
  • Ideal for process control, status alarming or system monitoring in a wide variety of applications, from arc furnaces to power distribution 

Technical data:

  • Traceable calibration
    • Every unit is supplied with a traceable calibration certificate
    • No magnetic materials means excellent linearity <0.2% of reading
  • Fully isolated measurement
    • Isolated power supply 2kVdc
    • Coil rated at 2kVpeak (withstand test is 4kVrms / 50Hz/ 60 sec)
  • Small DIN rail (or panel mount) enclosure – UL94 V-0 rated
 

Options:

  • Isolated BNC-BNC cable split option
    - Between coil and electronics to enable ease of
    installation e.g. threading through existing conduit.
    Standard cable permanently fixed
  • IP65 die-cast aluminium panel mount enclosure
Rated current [Arms] 100, 250, 500, 800, 1000, 1600, 2000, 2500, 3000, 4000, 5000, 8000,10000,16000, 20000, 25000, 40000, 50000
Rated output (Full scale FS)

4 ÷ 20mA
Output limit 150% FS (28mA)
Supply voltage (Wide input) 12Vdc (-10%) to 24Vdc (+20%)
Input power 0.7W (at rated output)
Operating temperature range -5°C do +65°C (Integrator electronics)
-20°C do +80°C (Coil and cable)
Bandwidth (-3dB) 2Hz do 100kHz
Max. Response time (10 to 90%) 1000ms
Accuracy (typ.) ±1.5% of reading (10% to 150% FS, 25°C)
Output load <300Ω
Coil Length 300mm, 500mm or 700mm (Custom lengths available)
Cable Length 1m or 2,5m (Custom lengths available)

Connections
Catalogue number
Current range [A]:
250, 500, 800, 1000, 1600, 2000, 2500, 3000, 4000, 5000, 8000, 10000, 16000, 20000, 25000, 30000, 40000, 50000
Cable Length [m]:
1
2,5
.... Custom lengths available
Coil Length [mm]:
300
500
700
.... Custom lengths available
Options:
BC - option with detachable cable with BNC terminals
Dimensions [mm]

Less
Read more
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