Your Professional Digital Partial Discharge Detector Supplier
Founded in 1992 and formally incorporated as Wuhan Moen Intelligent Electrical Co., Ltd. on November 12, 2012, with a registered capital of RMB 36 million, we are a professional technology company specializing in the research, development, and production of high-voltage test equipment. Our 8,000 m² facility in Wuhan East Lake High-Tech Development Zone houses dedicated production lines, R&D centers, and administrative facilities. With an experienced technical and production team, Moen focuses on core products including test transformers, series resonance systems, and other high-voltage testing equipment. Backed by years of industry experience, the company is committed to reliable manufacturing, continuous technical improvement, and providing practical solutions for global power utility and industrial customers.
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![4-channel Digital Partial Discharge Comprehensive Analyzer]()
4-channel Digital Partial Discharge Comprehensive AnalyzerProduct Introduction MOEORW-WPS40 is a compact digital partial discharge comprehensive analyzer controlled by remote PC via TCP/IP network. It is specially used for quantitative PD test of -
![Integrated PD Comprehensive Analyzer]()
Integrated PD Comprehensive AnalyzerThis is an integrated partial discharge comprehensive analyzer with strong anti interference performance. It supports one key calibration and complete data analysis and report export. It is ideal for -
![High-Precision Digital PD Detector]()
High-Precision Digital PD DetectorThis is a high precision digital partial discharge detector adopting PCIe full digital architecture. It realizes stable and accurate PD measurement with low noise and wide dynamic range.It is widely -
![Multi-Channel 4-Channel Partial Discharge Analyzer]()
Multi-Channel 4-Channel Partial Discharge AnalyzerThis 4-channel multi-channel partial discharge analyzer supports synchronous multi-point detection with high-speed sampling and comprehensive analysis. It provides clear PRPD/PRPS patterns, flexible -
![8-Channel Intelligent Partial Discharge Tester]()
8-Channel Intelligent Partial Discharge TesterThis 8-channel intelligent partial discharge tester adopts remote PC control and high-speed sampling. It offers professional waveform analysis, automatic report generation, and advanced polarity -
![High Sensitivity 2-Channel Partial Discharge Detector]()
High Sensitivity 2-Channel Partial Discharge DetectorThis 2-channel partial discharge detector delivers high-precision measurement compliant with IEC60270 & GB/T7354-2018. It features high sensitivity, stable performance, intuitive operation, and -
![Fully Digital PD Test Sets]()
Fully Digital PD Test SetsThe MOEORW-WPD-1S Fully Digital Partial Discharge Tester sets is a digital testing device equipped with a 10.1-inch touchscreen, a 32-bit microcontroller architecture, and supports one-click -
![Partial Discharge Instrument]()
Partial Discharge InstrumentThe MOEORW-WPD-V2 multichannel GIS partial discharge is compatible with sample capacitances from 6pF to 250μF, and has a minimum detection sensitivity of <0.01pC.14-bit/100MHz sampling, compliant -
![Hand-held Partial Discharge Detector]()
Hand-held Partial Discharge DetectorThe high-precision portable fully digital partial discharge (PD) acquisition and analysis system adopts fiber optic isolation technology, which has strong anti-interference capabilities, high -
![Partial Discharge Testing System]()
Partial Discharge Testing SystemThe MOEORW-WPD-S4D Partial Discharge Testing System comes standard with 4 channels, expandable to 16 channels, has a detection sensitivity of <0.1pC, an 80MHz sampling rate, and 14-bit sampling -
![Partial Discharge Tester]()
Partial Discharge TesterThe MOEORW-WPD-S1 partial discharge equipment is an all-in-one design that complies with IEC60270 and GB/T7354-2018 standards. It has a single-channel partial discharge detection sensitivity of -
![Digital AC/DC Partial Discharge Analyzer]()
Digital AC/DC Partial Discharge AnalyzerMOEORW-WPD-S1AD leverages high sensitivity and dual-mode compatibility as its core strengths, incorporating multiple anti-interference technologies. It accommodates test specimens ranging from 6pF to
Why choose us
Our Certificate
We are certified in ISO 9001 (Quality), ISO 45001 (Health & Safety), and ISO 14001 (Environment), ensuring high standards in all aspects of our operations.
Strong R&D Capability
Committed to technological breakthroughs, including investments to develop 750kV reactor solutions.
Experienced Technical Team
A growing team of 61 employees supporting product development, production, and customer service.
Complete Pre & After-Sales Service
From solution design and technical support to installation, maintenance, and fast response service.
A Hand-held Partial Discharge Detector is a compact, portable device designed to identify and measure partial discharges in electrical systems. Partial discharges occur when insulation materials deteriorate, leading to localized breakdowns that can escalate into catastrophic failures if left unchecked. These detectors use advanced sensors and algorithms to detect high-frequency signals emitted by PD activity, enabling technicians to pinpoint issues early.
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TEV measurement |
AE measurement |
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Measuring range |
0dB~60dB |
Measuring range |
0dB ~ 60dB |
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Resolution |
1dB |
Resolution |
1dB |
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Precision |
±1dB |
Precision |
±1dB |
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Maximum pulse per cycle |
1400 |
Frequency range |
20~200 kHz |
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Measurement frequency bands |
3~100MHz |
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AA ,AA1,AA 2measurement |
UHF measurement |
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Measuring range |
0dB~60dB |
Detection bands |
300~2000MHz |
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Resolution |
1dB |
Measuring range |
0dB~60dB |
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Precision |
±1dB |
Sensitivity |
＜1dB |
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Sensor center Frequency |
40 kHz |
Sensor bands |
300~2000MHz |
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HFCT measurement |
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Sensor transmission impedance |
5mV/mA |
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Frequency of detection |
1~30MHz |
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Sensitivity |
≤50pC |
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Hardware |
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Apperance |
ABS |
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Display |
4.3 inch RGB LCD screen with resolution 800*480 |
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Sampling accuracy |
12bit |
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Synchronization mode |
Synchronization within the country |
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Connector |
USB port (also charger input) |
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Earphone |
8 ohms minimum |
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SD card |
16G~64G as standard |
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Built-in battery |
3.7V/10000mAh lithium battery |
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Working time |
Approximately 12 hours |
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Charger |
DC 5V/3A |
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Temperature |
-20~50℃ |
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Humidity |
20%~85% relative humidity |
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Volume, weight |
210*100*35(mm) 0.4KG(host) |
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Portability: Lightweight and ergonomic designs for fieldwork.
High Sensitivity: Capable of detecting low-level discharges with minimal interference.
Real-time Analysis: Instantaneous data display and recording.
User-friendly Interface: Intuitive controls and software integration.
Battery-powered: Long-lasting operation for extended use.
Benefits of Hand-held Partial Discharge Detector
Cost Savings
Early detection prevents expensive repairs.
Safety
Reduces risks of electrical fires and outages.
Efficiency
Streamlines maintenance workflows.
Data-driven Decisions
Enables predictive maintenance strategies.
Type of Hand-held Partial Discharge Detector
Ultrasonic Detectors
Utilize high-frequency acoustic sensors to detect the sound waves generated by partial discharges, especially in gas-insulated systems (GIS) or around corona effects.
Integrated PD Measurement Systems
Advanced, multi-channel diagnostic platforms designed for continuous, real-time monitoring of critical high-voltage assets in industrial and utility environments.
Portable PD Analyzers
Comprehensive testing instruments that offer detailed analysis of PD activity, including phase-resolved partial discharge (PRPD) patterns and magnitude-frequency characterization.
Applications of Hand-held Partial Discharge Detector
Power Utilities
Routine inspections of transformers, switchgear, and cables.
Industrial Facilities
Preventive maintenance for motors and generators.
Renewable Energy
Monitoring solar farms and wind turbines.
Transportation
Ensuring reliability in railway and aviation electrical systems.
Detection Methods of Hand-held Partial Discharge Detector
UHF Partial Discharge Detection
Detect electromagnetic waves generated by PD in GIS and oil-filled equipment, using internal or external sensors.
Ultrasonic PD Detection
Capture sound waves produced by PD, suitable for open equipment or external inspections.
TEV (Transient Earth Voltage) Detection
Non-invasively assess insulation conditions by monitoring transient voltages on metallic surfaces.
Components of Hand-held Partial Discharge Detector
Sensor Probe(s)
Ultrasonic microphone, TEV sensor plate, or RF antenna
Signal Processing Unit
Filters and amplifies PD signals
Display Interface
LCD/LED screen showing PD magnitude and trend data
Audio Output
Headphones or speaker for real-time acoustic monitoring
Control Buttons
Mode selection, sensitivity adjustment, data logging
Battery Pack
Rechargeable lithium-ion for field portability
Operating Principle of Hand-held Partial Discharge Detector
Electromagnetic signals (HF/VHF/UHF): High-frequency current pulses generated by PD events
Ultrasonic emissions: Acoustic waves produced by rapid energy release during discharge
Transient earth voltage (TEV): Voltage pulses induced on the surface of grounded metal enclosures
Electrical signals (HF current transformers): Direct measurement of PD current pulses in conductors
Certificates
FAQ
As one of the most professional digital partial discharge detector manufacturers in China, we're featured by quality products and good price. Please rest assured to buy high quality digital partial discharge detector in stock here and get quotation from our factory. Customized orders are welcome.
Partial Discharge Testing System, Fully Digital PD Test Sets, Simulation 3 Channel Partial Discharge Detector
