
Circuit Breaker Dynamic Contact Resistance Tester Meter 200A
Product Introduction
We will continue to meet the different needs of customers, with loop resistance meter, partial discharge detection system, automatic interfacial tensiometer specifications, standards to ensure product quality. We hope to have long-term cooperation relationships with our clients. We require that the spirit of sincere cooperation is vigorously promoted and cultivated among employees, and the overall concept is firmly established. Our talent concept is to rationally control the scale, optimize the team structure, innovate the development mechanism, and stimulate talent potential.
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 |




Strict quality assurance system and advanced assembly technology provide a solid guarantee for the stable performance of our Circuit Breaker Dynamic Contact Resistance Tester Meter 200A. Our management innovation focuses on the principles of balance, service and efficiency. The eternal belief in continuous innovation and respect for traditional craftsmanship are the foundation for us to win the favor of customers and continue to grow.
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