Product Overview:
Partial discharge (PD) is one of the faults that occur due to defects in the user's electrical high-voltage insulation system. Users need to measure partial discharge to monitor equipment conditions and avoid faults. Internal equipment such as insulators, sleeves, busbars, and terminals generate vibrations during surface discharge, which then propagate through air media. AA (Air Ultrasonic) sensors use this principle to sense partial discharge signals.
Product Features:
Function | Transmitter | Receiver |
Center frequency | Fs:40±1KHz | Fp:40±1KHz |
Sensitivity | --- | ≥-65dB |
Capacitance | 2000PF±25% | 2000PF±25% |
-6dB Directivity(deg) | 50°±5° | 50°±5° |
Max. IputVoltage | 120Vp-p | 120Vp-p |
Operating Temp | -30℃~+85℃ | -30℃~+85℃ |
Storage Temp | -40℃~+90℃ | -40℃~+90℃ |