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Bergoz Current Transformer, DC/AC, NPCT 
Tabs
 
Specifications - NPCT
 Mechanical Specifications
  Model (NPCT-XXX) 055 75 115 130 175 195 202 245
  ID min. (mm) 55 75 115 130 175 195 202 245
  OD max. (mm)
98 118 158 175 222 250 248 298
  Axial length max
  (mm)
108
  Weight (kg) 0.9 1.2 1.7 2.0 2.4 2.6 2.7 3.3
 Electrical Specifications
  Full scale range  ±20mA, ±200mA, ±2, ±20A
  Range Control  2 TTL lines on rear panel(DB9)
  Output  ±10 V
  Output over range  up to ±12V
  Output bandwidth (-3dB)  8 kHz in 20-mA range
10 kHz in other ranges
  Response time (at 90%)  < 50 µs
  Standard model resolution  < 5 µA/sqrt(Hz)
  High Res. model resolution  < 1 µA/sqrt(Hz)
  Very High Res. model resolution  < 0.5 µA/sqrt(Hz)
  Output accuracy  ± 0.1% ± zero-offset (can be zeroed) ± magnetic field and temperature drift
  Linearity error  < 0.1%
  Temperature coefficient  < 0.1µA/K typ.
  Operating temperature  -40 to 80°C
  Output impedance  100 Ω
  Output current  10mA max, source or sink
  Output connectors  Isolated BNC on rear panel and front panel
  Test function  Injects +100mA in sensor
  Test control  TTL line on rear panel (DB9)
  Calibration winding  10-turn floating calibration winding on sensor
  Calibration current  From external source (2A max, Z > 100 Ω)
  Calibration connectors  Isolated BNC on rear panel and front panel
   Sensor Head Specifications
  Connector  DB15 male
  Temperature coefficient  5 µA/K typ.
  Sensor baking  < 120°C, 250°F
  Radiation resistance  Optional radiation-resistant sensor made of radiation-resistant halogen-free materials
  Destructive level  DC current: Unlimited Pulse charge > 100 mC
  Sensor saturation flux  10 mT (axial) typ.
  2 mT (radial) typ.
  Magnetic field sensitivity  10 µA/mT (axial) typ.
  1 mA/mT (radial) typ.

 Drawings
NPCT Dimensions
Excitation Chart

 Specifications are subject to change without notice.


 Last updated on: 1 December, 2006
   
 
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955 Industrial Road, San Carlos, CA 94070, USA