I.Product Description:
HZZB-202 special transformer ratio group tester is a professional product used for three phase transformer test, specially suitable for Z type winding transformer, rectifier transformer and scott, inverse scotte, balance transformer in railway electrical system. 

II.Product Features:
1.Use latest waveform generator, by non distortion, high stability with feedback power to drive the closed-loop system to generate 120V three-phase power source, output stable and not affected by power grid fluctuations.
2.Output, input six way signal at the same time sampling, high efficiency digital filter, strong anti-interference ability. Realize three phase automatic measurement. Rapid measurement speed and high result precision.
3.Can test scott, inverse scott and Z type winding transformer.
4.Ratio, error, group value displayed in the same screen, convenient and initiative. Can save 100groups test results and the data can be uploaded to the PC, convenient to analyze and check.
5.Big screen liquid crystal display, operation is simply, initiative and convenient.
6.Equipped with panel micro printer, can print the test results.

III.Product Parameters:
Company Profile
Wuhan Hezhong Electric Equipment Manufacture Co., Ltd is a high-tech enterprise professionally engaged in R & D, manufacture and marketing of power testing products, instruments, power industry automation systems for 20 years.We export completed set to Korea, Singapore, Vietnam, India, Ecuador, Paraguay, Pakistan, Philippines, Russia, Italy, Austria, Portugal, Chile such as PD test system, impulse voltage generator, temperature rising test system, transformer comprehensive test system, cable fault detect system and varies of instruments for transformer, circuit breaker, switchgear, lightning arrestor, insulator, cable, battery,SF6 gas and so on.