
6-Phase Handheld Comprehensive Relay Test Unit Protection Relay Test Device
Product Introduction
Our sf6 gas quantitative leak detector, VLF Cable Test Equipment, Transformer Oil BDV Tester are new in style and fashionable in design. We do every product with our heart and focus on the production and manufacture of products.We have extraordinary production supply chain, we have massive inventory, and many years of processing experience. We not only participate in competition, but we are also eager to cooperate and win-win. Therefore, we warmly welcome new and old friends to work together for mutual benefit. We strive to create a fair, justice, and positive working atmosphere so that the wisdom and ability of talents can lead the company's continuous development. Our company has a set of modern machinery and equipment and enterprise scientific management system with our own cultural heritage.
HZ-3120A Digital Fast Transformer DC Resistance Tester 20A

Introduction
DC resistance measurement is a key test item for transformers, covering semi-finished and finished product inspection, installation and commissioning, as well as preventive tests in the power industry. It can effectively detect defects and potential hazards arising from manufacturing and operation, such as improper coil material selection, welding issues, loose connections, short circuits, and open circuits.
To meet the demand for rapid measurement of transformer DC resistance, a new generation of CT Series DC Resistance Tester has been developed.

The instrument adopts the new program-controlled linear constant current source technology, with large output current, current gear, small volume, light weight, etc.





Technical Index
Output current | <5mA ,1A,2.5A,5A ,10A,20A |
Resolution | 0.1μΩ |
Range | 100μΩ~1Ω (20A)/ 500μΩ~2Ω (10A)/ 1mΩ~4Ω (5A)/ 2mΩ~8Ω (2.5A)/ 5mΩ~20Ω (1A)/ 10Ω~20KΩ (<5mA) |




Our company has been operating a physical factory for many years, and the quality of our 6-Phase Handheld Comprehensive Relay Test Unit Protection Relay Test Device has been recognized. Since we started our business, we have inherited the spirit of not being afraid of reforms and unremittingly opened up new markets, which has made substantial progress. Our company is based on advanced production equipment, with high-quality professionals as the main body.
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