Model:
HMJ1010-WGN
Product Overview:
The HMJ1010-WGN Built-in UHF Partial Discharge Sensor is specifically designed to monitor ultra-high frequency (UHF) signals generated by partial discharge (PD) in power equipment such as GIS and transformers. It connects directly to the built-in UHF ports of GIS or other devices, enabling continuous online monitoring of insulation conditions, early detection of potential faults, and ensuring the safe and stable operation of power systems.
Features:
- High Sensitivity:
Capable of detecting extremely weak PD signals within power equipment, identifying minor insulation defects and early-stage discharges for proactive maintenance.
- Wide Frequency Response:
Covers the UHF range of 300MHz to 1.5GHz, capturing comprehensive PD signal data to analyze discharge types, locations, and severity accurately.
- Strong Anti-Interference:
Utilizes advanced filtering and shielding technologies to suppress electromagnetic interference from other electrical devices or radio signals, ensuring accurate monitoring results.
- Intelligent Diagnostics:
Equipped with built-in intelligent algorithms for real-time analysis of collected data, automatically identifying PD characteristics such as magnitude, phase, and frequency. Provides early warnings and diagnostic insights based on preset thresholds and rules.
Technical Specifications:
| Parameter | Value |
| Frequency Range | 300–1500 MHz |
| Measurement Range | -80 to -10 dBm |
| Average Equivalent Height | ≥10mm |
| Sensitivity | ≤ 6.5V/m |
| Dynamic Range | ≥40 dB |
| Communication Protocol | Wireless: LoRa |
| Power Supply | Wireless: Built-in Lithium Battery |
| Operating Temperature | -40 to +85℃ |
| Operating Humidity | 5%–95% RH |
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