GDH-100 Loop Resistance Tester is designed to measure circuit loop resistance(contact resistance) of high/low voltage switch,power cable and wires,and weld joint.It is also known as Micro-ohmmeter.

Features
Four leads measurement method, high Accuracy;
Adjustable testing current and low ripple;
Two 31/2 LED windows to display Current and Resistance;
Over-current and Over-heat protection;
Easy to operate;
Portable,high precision.

Specifications
Testing current:: DC 0-100A.
Max. Ripple ratio: 3% @ 100A, 20mΩ.
Measure range: 0~1.999mΩ / 0~19.99mΩ.
Resolution: 1μΩ / 10μΩ.
Accuracy: 1.0%.
Power supply: AC 220V±20%, 50Hz±1.
Operation conditions: 0 to 40ºC, RH<85%.
Dimension: 36×27×23cm.
Weight: 7.5kg.