Model: HMJ9001-QW
Product Overview
The HMJ9001-QW Wireless Multifunction Partial Discharge Detector is designed for on-site partial discharge (PD) detection across a wide range of high-voltage equipment. It integrates multiple detection methods, including Transient Earth Voltage (TEV), Ultrasonic (AE), High Frequency Current Transformer (HFCT), and Ultra High Frequency (UHF) techniques, to accurately detect and analyze PD phenomena.
This device is ideal for condition monitoring of switchgear, ring main units (RMUs), GIS, power cables, transformers, and overhead lines. Equipped with wireless communication technology, the detector transmits data to Android smartphones via WiFi and Bluetooth, enabling real-time analysis, processing, and visualization of partial discharge data.
Key Features
1、Wireless Data Transmission: Sensor data is wirelessly transmitted to an Android smartphone, making it highly adaptable for complex field environments.
2、Multi-Algorithm Analysis: Built-in algorithms effectively distinguish between genuine partial discharge and external interference.
3、Multiple Sensor Compatibility: Supports various sensors including Ultrasonic (contact and air-coupled), UHF, HFCT, to meet diverse monitoring needs.
4、Comprehensive Detection: Simultaneous monitoring of TEV, ultrasonic, HFCT, and UHF signals to evaluate PD frequency and intensity.
5、Severity Indicators: Visual alarms using red, yellow, and green LEDs indicate the severity of partial discharge.
6、PRPD & PRPS Mapping: Provides Phase-Resolved Partial Discharge (PRPD) and Phase-Resolved Pulse Sequence (PRPS) mapping to classify PD types.
7、Time Domain Waveform: Captures typical discharge waveforms with 20ms raw time-domain data.
8、Data Management & Reporting: Includes advanced data management software for comprehensive analysis and automated report generation.
9、One-Click Report Export: Easy export of analytical reports.
Technical Specifications
- Time Domain Waveform: 20ms original waveform capture
- Mapping: PRPD and PRPS patterns with integrated typical PD maps
- Data Storage: Supports saving and replay of time-domain and spectrum data
- Storage Capacity: 16GB internal memory
- Operating System: Embedded Linux & Android
- Communication Interfaces: USB, WiFi, Bluetooth, NFC
- Application: Data visualization on Android smartphones
- Battery Life: ≥8 hours of continuous operation
Applications
- Switchgear Partial Discharge Testing
- Transformer Insulation Monitoring
- GIS and RMU PD Detection
- High Voltage Cable and Overhead Line Inspection
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