
Micro-Computer System Power Transformer on-Load Tap-Changer AC Parameter Tester
Product Introduction
We are committed to providing customers with reliable dc hipot test 120kv, battery charge discharge machine, bdv testing machine and efficient technical services. Our company abides by the rules of ethics, the code of business conduct and the standard of business ethics. In addition to standard products, non-standard products can also be customized according to customer requirements to meet the different needs of customers. Our company takes talents, technology, quality and service as competitive advantages to maximize enterprise value. We have been improving the management level of our company and trying to be in line with international practice.
HZYA-3Z Transformer On Load Tap Changer Oltc Tester
The Transformer On-Load Tap Changer (OLTC) Parameter Tester is a specialized instrument designed for measuring and analyzing the operating characteristics of transformer on-load tap changers.
It can test key parameters of the on-load tap changer, including its transition process, transition waveform, transition time, transient resistance, and three-phase synchronism.

Features
1. Large output current, light weight;
2. Test YO, Y, △ type transformer, the resistance unnecessary to be converted but directly display;
3. With winding or without winding measurement;
4. Waveform display automatically adjusts the resistance according to the sampled value, the time value amplitude
5. With perfect protection circuit, reliability and strong;
6. 7-inch large LCD display, easy on-site operation;
7. Built-in high-capacity lithium battery(optional)
8. 500 sets of data can be saved in Internal automatically, can connect with U Disk.
Technical Parameters
Output current | 2.0A,1.0A,0.5A,0.2A |
Measuring range Transition resistance | 0.5Ω~5Ω(2.0A)/ 2Ω~20Ω(1.0A)/ 5Ω~40Ω(0.5A)/ 20Ω~100Ω(0.2A) |
Transition time | 0 ~ 320ms |
Open circuit voltage | 24V |
Measurement accuracy Transition resistance | ± (5% reading ± 0.1Ω) |
Transition time | ± (0.1% reading ± 0.2ms) |
Sampling rate of 20kHz | |
Storage mode U disk storage | |



We are committed to accelerating the development of strategic emerging technologies, upgrading and improving our Micro-Computer System Power Transformer on-Load Tap-Changer AC Parameter Tester. Our company is facing new challenges with a brand new face and striving attitude, so as to produce better and newer products and better service to serve customers all over the world. We always operate in good faith and in accordance with the law, and make our due contribution to the orderly management and sustainable and healthy development of the industry.
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