I.The introduction
This handheld loop resistance tester is an innovative product that is compact, hand-held, battery powered and easy to carry.
The product is mainly used for the contact resistance of switch contacts and other micro-ohmic resistance measurement, and the test speed is fast and the accuracy is high.

II.The package content
After receiving the shipping container, open the box and check for damage.
If the shipping container is damaged, or the gasket material is indented, please inform the shipping company and the nearest sales office of the company.
Please check if you have received the following items in the hand-held circuit package:
√1 handheld tester
√1 set of test lines (one set of red and black)
√1 charger
√1 user manual
√1 certificate and factory test report
√1 standard resistor
√1 external printer (optional)

III.The functional characteristics

Lithium battery power supply, can be tested more than 600 times in a single charge, the test process is simple and convenient.

The output current is up to 100A, multiple currents are available, and the test range is wide.
100A test, the longest test time can reach 60 seconds, to meet various applications on site.
Wide range and high precision, up to 2000μΩ at 100A.
It has perfect protection functions such as open circuit protection and overheat protection.
5.6-inch large industrial-grade high-brightness color LCD screen, the display is still clearly visible under strong sunlight.
Equipped with an external printer for easy data printing.
With local storage and USB storage for easy data storage.

IV.Technical indicators
Measuring range
Output current 100A, 80A, 50A, 30A
Measuring range 100A 0~2000μΩ
80A 0~5mΩ
50A 0~10mΩ
30A 0~20mΩ
Technical indicators
Accuracy ± (reading × 0.5% +1 μΩ)
Resolution 0.1μΩ
Display digits four and a half
Test power supply Constant current limit voltage, about 2V
Input voltage up to 5V
Measurement time fast, 10~60 seconds optional
More than 600 tests (full charge, fast measurement mode)
Test line resistance less than 10mΩ
Conditions of use and appearance
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 Approx. 3 hours Auto power off 5 minutes without operation Auto power off
Main unit weight 1.7kg (excluding test line) Main unit size 246mm (length) × 156mm (width) × 62mm (height)
Operating temperature -10 ° C ~ 50 ° C Relative humidity ≤ 90%, no condensation