
100A/200A Portable Loop Resistance Tester Contact Resistance Test Set
Product Introduction
The company has become a member of China's six phase relay test system, battery conductance test, partial discharge test meter equipment industry with the purpose of being sincere and casting the future. We have rich experience in customer support. For our company, which has gone through many years of history, we have the ability to adapt to new situations and meet new challenges. We are going to usually welcome guests from around the globe to our corporation.
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 |




We strive to provide customers with the optimal design to reduce the overall cost of 100A/200A Portable Loop Resistance Tester Contact Resistance Test Set. Our company is based on honesty, innovation and far-reaching. We have created a cost-effective, timely delivery, thoughtful service brand to provide a more worthy of attention and reliable partners for the industry.
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