Product Overview
The HMJ9001-J Ultrasonic Partial Discharge Detector is a portable, non-contact inspection device used to detect and locate partial discharges and other abnormal electrical discharges in high-voltage power equipment. It captures ultrasonic signals generated by corona, arcing, or insulation defects, analyzes them via advanced software, and helps maintenance personnel accurately diagnose potential faults while the system remains energized. This enhances inspection safety, improves detection efficiency, and reduces operational risks.
Key Features
- Detects partial discharge ultrasonic signals and converts them into audible output, waveforms, and dB level readings.
- Safe non-contact inspection under live conditions with a detection range of up to 30 meters.
- Lightweight and easy to operate — ideal for mobile inspections (up to 30 km/h vehicle speed).
- High directional sensitivity enables accurate pinpointing of discharge sources.
Technical Specifications
- Display Resolution: 64 × 48 pixels
- Interfaces: Headphones, USB, Data Port
- Sensor Frequency: 40 kHz (center frequency)
- Audio Recording Time: Adjustable from 1 to 10 seconds
- Volume Control: 30 levels
- Gain Adjustment: 0–80 dB
- Detection Distance: ≤30 meters
- Battery Life: ≥8 hours
- Dimensions: Φ86 × L395 mm
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