HZ-51 OOS Hand-held Circuit resistance tester is an innovative product. The product is compact, hand-held operation, battery power supply, easy to carry. The product is mainly used in the measurement of contact resistance and other micro-Euclidean resistance of switch contacts. The test speed is fast and the accuracy is high. Handheld Contact Resistance Fast delivery I 24-hour customer service customizable Major Technical Indicators Topvieww Output Current: 100A / 80A / 50A / 30A Resistance Range: 100A: 0-2000 pQ 80A: 0-5 mQ 50A: 0-10 mQ 30A: 0-20 mQ Technical Specifications Accuracy: ±(Reading * 0.5% + 1 pQ) Resolution: 0.1 pQ Display: 41/2-digit LCD Test Power Supply: Constant current, voltage limit approx. 2 V Input Voltage: Max. 5 V Measuring Time: Fast mode /10-60 s selectable Test Cycles: More than 600 tests (full charge, fast mode) Test Lead Resistance: Less than 10 mQ Current output Key Function And Feature Lithium battery power supply, a charge can be continuously tested more than 600 times, the test process is simple and convenient. The maximum output current is 100 A, multi-stage current is optional, and the test range is wide. When doing 100A test, the longest test time can be up to 60 seconds, which can satisfy various field applications. The measuring range is wide and the precision is high. At 100A, it can reach 2000pQ. Has the open circuit protection, overheating protection and so on perfect protection function. 5. 6 inch super-industrial-grade high-brightness color LCD screen, in strong sunlight display is still clearly visible. Equipped with external printer, easy to print data. With native storage and USB disk storage, easy to save data.