SCM-PDS3 partial discharge sensor integrates three detection technologies: ultrasonic (AA), transient earth voltage (TEV), and ultra-high frequency (UHF), providing a comprehensive solution for partial discharge activity monitoring in medium and high voltage equipment, including transformers, high-voltage switchgear, and cable joints. The PDS3 is highly portable, has fast measurement capabilities, and excellent anti-interference performance, making it ideal for equipment condition monitoring and diagnostic applications under various field conditions.
SCM-PDS3 partial discharge sensor integrates three detection technologies: ultrasonic (AA), transient earth voltage (TEV), and ultra-high frequency (UHF), providing a comprehensive solution for partial discharge activity monitoring in medium and high voltage equipment, including transformers, high-voltage switchgear, and cable joints. The PDS3 is highly portable, has fast measurement capabilities, and excellent anti-interference performance, making it ideal for equipment condition monitoring and diagnostic applications under various field conditions.
| Sensor common | |||
| Power supply | 24VDC | ||
| Static power consumption | <10mW | ||
| Installation method | 4* strong magnet, wall mount | ||
| Sampling period | 1S | ||
| Communication | RS485/ Modbus RTU | ||
| Dimension | 134mm*100*42mm | ||
| Operating temperature | -40~85°C | ||
| Ultrasonic sensor (AA) | |||
| Detect range | 0 ~ 60 dBμV | ||
| Pass band | Center frequency 40 kHz ±1 kHz | ||
| TEV sensor | |||
| Detect range | 0~60 dBmV | ||
| Pass band | 3~100MHz | ||
| UHF sensor | |||
| Detect range | -70~10dBm | ||
| Pass band | 300~1500MHz | ||
| Average effective height | ≥10mm | ||
| Noise detection range | 30~130dB | ||
| Environmental sensors | |||
| Noise detection range | 30~80dB (Class C) | ||
| Temp. measurement range | -40~85°C; Accuracy±0.5°C | ||
| Humidity measurement range | 5~95%RH°; Accuracy ±2%RH | ||
AA detection
TEV detection
UHF
