
GDKC-5000 Portable Transformer On Load Tap Changer Tester
Product Introduction
We constantly encourage employees to study more advanced technology to obtain high quality transformer tan delta tester, open cup flash point test equipment, wireless phasing sticks. Our company has established an organization management mode and project management mechanism suitable for our own development, which has made our company develop rapidly. Our company close to the market demand, according to its development trend, adhere to the principle of multi-level and serialization and form its own core competitiveness.
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 | |



In the continuous communication with users, we constantly optimize the humanized design, function and overall design of our GDKC-5000 Portable Transformer On Load Tap Changer Tester. Relying on strong research and development strength, standardized management system, sophisticated production equipment and complete testing methods, our company has now developed into a diversified and group-oriented enterprise. We expect to quickly achieve industrial resource integration and scale expansion, and accelerate asset value realization.
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