
China Supplier Contact Resistance Test Set for Circuit Breaker, Switchgear.
Product Introduction
We warmly welcome our regular and new clients to join us for ac resonant hipot test, high voltage circuit breaker tester, transformer turns ratio test set. We pursue excellence for customers with innovation and integrity, and lead the future for employees with sharing and win-win. We believe that the foundation of the company's growth comes from talents, and firmly believe that employees are the most valuable assets of the enterprise. We look forward to continuing to work with the world's first-class partners to create a new glorious future.
HZ-5100S 100A Loop Contact Resistance Meter Price

Introduction
The hand-held contact resistance meter is an innovative product. The product is compact, hand-held operation, battery power supply, easy to carry.
The product is primarily used for measuring contact resistance and other micro-ohm resistance values of switch contacts. It offers fast test speed and high accuracy.
Features
◆ Lithium Battery Power Supply – A single charge supports over 600 continuous tests, making the testing process simple and convenient.
◆ High Output Current – Maximum output current of 100 A with selectable multi-stage current options for a wide test range.
◆ Extended Test Duration – When performing a 100 A test, the maximum test time can reach up to 60 seconds, accommodating various field applications.
◆ Wide Measurement Range with High Precision – At 100 A, the measurement range extends to 2000 μΩ.
◆ Comprehensive Protection Functions – Equipped with open circuit protection, overheating protection, and other safety features.
◆ High-Brightness Color LCD – 5.6-inch super industrial-grade high-brightness color LCD screen ensures clear visibility even in strong sunlight.
◆ External Printer Support – Comes with an external printer for convenient data printing.
◆ Flexible Data Storage – Supports both internal storage and USB flash drive storage for easy data saving.





Technical Index
Measuring Range | |||
Output Current | 100A,80A,50A,30A | ||
Measuring Range | 100A 0~2000µΩ | ||
80A 0~5mΩ | |||
50A 0~10mΩ | |||
30A 0~20mΩ | |||
Technical Index | |||
Accuracy | ±(Reading×0.5%+1µΩ) | ||
Resolution Ratio | 0.1µΩ | ||
Display Digit | Four and a half | ||
Test Power Supply | Constant current limit voltage, about 2V | ||
Input Voltage | Maximum 5V | ||
Measuring Time | Quick,10~60 seconds optional | ||
Testing Times | More than 600 times (full charge, fast measurement mode) | ||
Test Line | Resistance less than 10mΩ | ||
Conditions Of Use and Shape | |||
working Power Supply | Built-in lithium battery or external charger, Charger input 100~240VAC, 50HZ/60HZ | ||
Charging Voltage | 12.6V | Charging Current | ≤3A |
Charging Time | About 3 hrs | Auto Shut Off | 5 minutes automatic shutdown without operation |
Instrument Weight | 1.7kg(exclude test lines) | Instrument Dimension | 246mm(L)×156mm(W)×62mm(H) |
Environment Temperature | -10℃~50℃ | Relative Humidity | ≤90%,no dew |




As one of the leading product series of our company, China Supplier Contact Resistance Test Set for Circuit Breaker, Switchgear. has become more perfect in function through continuous innovation and development, and has formed a scale and series. Since its establishment, our company has been adhering to the concept of "Quality, Elaborate Construction, Reputation First, and Fundamental to People", serving every incoming customer and providing them with reasonable solutions and suggestions! No matter where you are, you can feel the fast and excellent service of our professional and technical personnel.
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