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Closed-loop Hall Effect sensors offer high performance and linearity benefits

June 24, 2010 | Paul Buckley | 222900854
Closed-loop Hall Effect sensors offer high performance and linearity benefits PREMO is enhancing its current sensors product range with the addition of new HCT-1000-SH series, a high current Closed Loop Hall Effect Sensor.
New market trends are moving towards the uptake of high current and high frequency devices which demands accurate current levels up to 1000 Amps with any type of waveform (DC, AC, pulse, etc.).      

Using a close loop solution the high accuracy and linearity is guaranteed keeping values as low as 0.1 percent. The current sensor allows overload capabilities with a measuring range up to ± 3000 Amps.     

The HCT-1000-SH current sensor has been designed to meet the highest safety requirements and is fully isolated with plastic housing, meeting isolation values higher than 4000 Vac.      

Intelligent electronics enable he sensor to be supplied either with ±15 Vdc or ± 24 Vdc.      

Benefits and main characteristics: 
  • Accuracy  ± 0.1 percent  
  • Linearity ± 0.1 percent  
  • Compact size: 100x70x110 mm  Nominal current = 1000 Amps  
  • Measuring current = ± 3000 Amps  
  • Transformation ratio 1:5000  Supply voltage = ± 15-24 Vdc  
  • Isolation > 4000 Vac  Outputs with Blade connectors 
With an operating temperature range of -40 to +85 degrees C, these sensors are particularly suitable for  AC variable speed drives and servo motor drives, battery supplied, Uninterruptible Power Supplies (UPS), static converters for DC motor drives, switched Mode Power Supplies (SMPS), and power supplies for welding applications.     

Datasheet: HCT-1000-SH series 









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