Highly sensitive and accurate Partial Discharge sensor for measuring ultra high frequency signals emitted by partial discharge activity inside Transformers. 

USENS-D is an Ultra High Frequency (UHF) antenna that can detect smallest UHF frequencies emitted by the partial discharge (PD) activity. The sensors are suitable for all types of Transformers, and easy installation on the transformer drain valves. The IP65 rated ingress protection allows sensor to be installed at Outdoor installations. Their wide band (200 – 2000 MHz) frequency response and high sensitivity (up to -90dBm) enables lower cost of PD monitoring system and higher ROI (Return on Investment). 

• Continuous Online Partial Discharge Monitoring
• Periodic Partial Discharge Testing and Measurements
• High Voltage Testing during Commissioning
• Power Transformer PD Testing and Monitoring
• Reactor PD Testing and Monitoring
• Distribution Transformer PD Testing and Monitoring

• Higher sensitivity (-90dBm) 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
• IP68 protection and rugged design, suitable for outdoor installations
• Leak proof sensors enables safety and 0% oil leakage
• Customizable according to Transformer Valve design and customer requirements