Transformer Partial Discharge Tester

Product Introduction

MOEORW-W5060E Transformer Partial Discharge Tester is a professional handheld live detection device for oil-immersed power equipment. It adopts ground voltage, ultrasonic and ultra-high frequency detection technologies to realize high-precision evaluation of partial discharge inside transformers and reactors. The instrument can display multiple spectra including amplitude, PRPS, PRPD, waveform and phase, helping users quickly judge discharge type, severity and location, providing reliable data support for transformer insulation condition assessment.

Product Parameter (specification)

Host parameters

host	The handheld design features a shell made of ABS and fiberglass, with double-sided rubber coating to enhance its drop resistance.
monitor	4.3-inch 480 x 800 high-definition screen.
touchscreen	Capacitive screen
Host System	The host uses a Linux system and has network connectivity, supporting 4G and WiFi internet access.
Memory capacity	8G
Main unit size	181x107x36mm
Main unit weight	0.45kg
Power supply method	It has a built-in rechargeable lithium battery that automatically shuts down when the battery voltage is low or when there is no operation for a long time.
Charging method	Type-C port 5V/2A charging.
Charging time	5 hours
Standby time	12 hours
Work environment	Temperature: -5～55 ℃; Humidity: 0～90%

AE detection

Contact ultrasound frequency range	20kHz-300kHz
Non-contact ultrasound peak frequency	40kHz
Detection sensitivity	0.1mV
Measurement range	0.1mV～1V
Gain	It features three adjustable gain levels: ×100, ×10, and ×1.

Remote ultrasonic focusing device (optional)

Remote ultrasonic peak frequency	40kHz
Test distance	0~50 meters
laser pointer	Equipped with red laser pointer positioning function
Aiming function	It features a two-stage aiming function, enabling precise positioning of the discharge point.
Detection sensitivity	0.1mV
Measurement range	0.1mV～1V

UHF detection

Frequency range	300~1500MHz
Measurement range	0~80dB
Measurement accuracy	1dB
Controllable frequency band	Qualcomm, Low-pass, All-pass
Gain adjustable	It has adjustable gain on and gain off functions.

TEV testing

Frequency range	3~100MHz
Measurement range	0~80dB
Measurement accuracy	1dB
Measurement error	±1dB

Functional indicators

System Mode	It consists of a main unit, sensors, and a signal conditioner. The main unit and the signal conditioner are wirelessly connected, while the signal conditioner and the sensors are wired. The main unit is a handheld device used for test control and data viewing.
Communication methods	It features WIFI/Bluetooth and a Type-C port.
Data export function	It features a TYPE-C interface for data export, allowing you to directly copy data to your PC by connecting the data cable.
RFID functionality (optional)	It has RFID reading and writing functions, and can read and write on-site radio frequency cards.
Synchronization method	It has internal synchronization, wireless power synchronization, and optical synchronization functions.
Intelligent synchronization	It supports intelligent power frequency synchronization. When a partial discharge signal is detected, the instrument can automatically determine the power frequency of the power grid through artificial intelligence technology to ensure that the detection spectrum is synchronized with the power grid frequency.
Ultrasonic sensor method	It adopts an aviation plug interface and the sensor is a passive contact sensor.
Ultrasonic testing	It has spectrum detection functions such as waveform spectrum, phase spectrum, continuous mode, and flight mode, and also has intelligent diagnostic and recognition functions. It has the function of switching between continuous and single use. In waveform mode, the number of cycles is adjustable from 1 to 10. It features linearly adjustable door opening and closing times.
earphone	The ultrasonic detection signal can be converted to a frequency range that is audible to the human ear. The main unit can be connected to headphones so that the testing personnel can hear the sound of the signal in real time.
UHF detection	It features PRPD & PRPS graphs, amplitude modes, and period detection functions, as well as data storage and screen recording capabilities. The host unit also has graph viewing and screen recording playback functions.
SD card	It has a built-in SD card and SD card management function, which can realize intelligent formatting of SD card.
Instrument self-test	The instrument has a self-test function.
State Grid upload protocol (optional)	Equipped with a Bluetooth communication module, the instrument can interact with mobile terminals on internal and external networks in a standardized manner via Bluetooth.
Language support	It supports multiple languages and allows switching between Chinese and English.
Remote upgrade	The host has a remote intelligent upgrade function.

Product feature and application

Specially designed for live partial discharge detection of oil-immersed transformers, reactors and mutual inductors.
Equipped with UHF+AE+TEV triple detection channels, suitable for complex electromagnetic interference environments in substations.
Supports PRPD/PRPS spectrum analysis to accurately identify discharge hazards inside oil-immersed equipment.
Adopts intelligent power frequency synchronization technology, automatically matching grid frequency for stable detection.
Built-in large-capacity data storage, synchronously saving test data and equipment information.
Equipped with professional data analysis software, supporting spectrum archive management and fault diagnosis.
Three-color indicator system for intuitive discharge severity assessment.
Handheld portable design, strong environmental adaptability for on-site live detection.

Prodection details

Suitable for live partial discharge detection on power equipment such as transformers, reactors, GIS, ring main units, switchgear, etc., across different voltage levels. Can be used indoors or outdoors (avoid harsh environments).

Company Qualifications

FAQ

1)What equipment is MOEORW-W5060E Transformer Partial Discharge Tester suitable for?

It is specially used for live partial discharge detection of oil-immersed transformers, reactors, voltage transformers, current transformers and other oil-immersed power equipment.

2)What advantages does it have in transformer detection?

It integrates three detection methods of UHF, AE and TEV, which can effectively capture weak discharge signals inside transformers; with intelligent synchronization function, it adapts to substation site conditions; the spectrum analysis function can accurately judge the type and severity of partial discharge.

3)What safety precautions should be taken during transformer live detection?

Keep a safe distance from high-voltage live parts; do not use in rain, high humidity and other harsh environments; the instrument has a built-in lithium battery, do not disassemble it without permission; charge it when it is powered off, and do not test while charging.

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