High Voltage Test Products and Systems

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About our company

Welcome to EP HIPOT

EP Hipot Electric Co., Ltd has rich experience of more than 20 years in R&D, manufacturing and marketing of market-leading high voltage test equipment. Passion, knowledge, expertise and technology drive us to help our customers all over the world, to maintain their assets value, improve their reliability, reduce maintenance costs and extend working life of the electrical systems and related apparatus. Our application specialists also perform on site trainings and workshops in order to share our knowledge with customers. we maintain quality control so that you can trust our products and receive expert help in selecting or servicing equipment. We are proud of the work we do to help utilities and electrical contractors keep the lights on and protect critical loads all over the world.

From the date of order placing, we usually need 3-7 working days to manufacturing. Located in Wuhan City, the provincial capital of China, EP Hipot Electric is easy to ship the package by the air or ocean. EP Hipot Electric also can provide OEM service according your customized. We are sincerely looking forward to cooperate with you from all the countries of the whole world.

We understand our customers’ requirements and we supply the most advanced solutions for testing their electrical apparatus. Our test equipment is designed and produced according to the most widely adopted international standards. The test sets are crafted one by one, using the best available technology and according to ISA 9001 Quality System. We supply rugged products all over the world and thanks to the network of qualified service centers on all continents we perform after sale service and quick support as well as assistance to our customers.

Main products:

● Transformer testing

● High voltage insulation testing

● Circuit breaker testing

● CT PT testing and calibrating

● Motor and generator testing

● Arrester and insulator testing

● DC system and battery testing

● Cable faults,test and diagnostics


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What we do


EPOT-II conforms to international standard IEC-156, can be used for power frequency dielectric break down test on the transformer oil, capacitor oil, electric device,


EPJS-IV is a new generation, fully automatic on-site measure dielectric loss(tgδ)and the capacitance (Cx) of electric equipment. It’s suitable for testing on transformer, insulating bush, capacitor, CT/PT, MOA and etc.


EPWT series DC Winding Resistance Tester is applied to detect the welding quality of winding contactors are in good condition or not,


EPCZ Series AC Resonance Test System is specially designed for AC withstand test for electric equipment of substation at 10kV-500kV or below.


EPZGF series hipots is testing DC high voltage for zinc oxide lighting arrester, magnetic blowing arrester, power cables, generators, transformers,


AC hipot testing is the effective and direct way to test insulation strength for electric equipment. It checks dangerous flaws and make sure electric equipment


EPCP-II CT/PT ANALYZER is mainly used for field testing of P class CT and PT. The test items mainly include excitation characteristic, transformation ratio, polarity,


VLF stands for Very Low Frequency. VLF is generally considered to be 0.1 Hz and lower, its major application is for testing solid dielectric cable, transformers, motors,

our best values

Core Features

Full Protection Functions/Safe & Reliable
IEC Standard
English Version/Multi Language Document
Lifelong After-Sales Service
Customized products/OEM Support
SGS & ISO Certified
Professional tech team correctly design
ilac-MRA & CNAS authorized lab calibrated

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latest news

2500kVA 11kV Moblie Power Transformer Test System Delivered

EP Hipot Electric Moblie Transformer Test System EPBZ-III is used to test transformer no-load loss, load loss, impedance voltage percentage, no-load current percentage, transformer tur

20kV Surge Impulse Tester Successfully Passed the Calibration Of IEC17025 Accredited Lab

Good news, 20kV 1.2/50 High Voltage Surge Impulse Tester EPDY-B20 purchased by United Kingdom customer successfully passed the calibration of the IEC17025 accredited lab and were quickly sent to the test site.

5000kW Motor Test System Delivered

This 5000kW Motor Testing System is designed for the acceptance testing, factory testing. The test items are: -Measurement of winding resistance -Measurement of voltage ratio -Checking of phase displacement -Measurement of short-circuit imp

Congratulations to EP Hipot for successfully passing the CE certification

EP Hipot has been tested by the European Union CE certification, passed the measurement of safety, environmental protection and other indicators, obtained the CE certification certificate issued by the EU certification body, and obtained th

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our location

Building 4, No. 888 Hanhuang Road, Daijiashan Science and Technology Venture City, Jiangan District, Wuhan, P. R. CHINA 430000

24 hours