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USENS-B

UHF PARTIAL DISCHARGE SENSOR.

KEY FEATURES

Highly sensitive, reliable, UHF technology based Partial Discharge sensors for GIS barrier openings. 

USENS-B is an Ultra High Frequency (UHF) antenna that can detect smallest UHF frequencies emitted by the partial discharge (PD) activity. The sensors are customized to fit on different kind of GIS barrier openings. 
The sensors can easily be placed on the barrier opening and then fixed with the belt (optional) around the barrier. Their wider frequency response and higher sensitivity ensures higher GIS coverage for PD monitoring. 

 

 

  • Periodic partial discharge testing and measurements
  • Continuous online partial discharge monitoring
  • High voltage testing after maintenance/ overhaul
  • GIS/ GIL PD Testing and Monitoring
  • GIT (Gas Insulated Transformers) PD Testing & Monitoring
  • Circuit Breaker PD Testing and Monitoring

  • Higher sensitivity (-70dBm) ensure higher ROI of monitoring
  • Wide frequency response, compatible with all PDM systems
  • Easy installable, and High Dielectric strength, Safest Sensors
  • Shielded Sensor, Noise Immunity
  • Built-in overvoltage protection keeps the PDM electronics safer
  • IP65 protection and rugged design, suitable for outdoor installations
  • Leak proof sensors enables safety and 0% SF6 leakage
  • Customized according to Barrier Opening and customer requirements
Technical Specifications

UHF Frequency Response

Sensitivity
Average Effective Height over 500MHz – 1500MhHz
Min. Effective Height over 500Mhz – 1500Mhz
Withstand Voltage
Output
Connector Circuit Impedance
Vibration Testing
Ingress Protection (IP)
Ambient (Operating Temperature)
Storage Temperature
Operating Humidity
Dimensions
Weight
Install Position
Signal Cable

200 - 3000 MHz

up to -70 dBm
12 mm+
06 mm+
up to 1500 kV
N-Type connector; Customized option available
50 Ω
Suitable for HV - GIS and Transformer applications
IP-66
-60 ?C to +100 ?C
-60 ?C to +100 ?C
95% humidity at 50 ?C
Customized as per different GIS Barrier Types and Openings
Customized as per different GIS Barrier Types and Openings
GIS / GIT / GIL Barrier Openings
Very low attenuation UHF (Coax) cable

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