Micro-ohmmeter UNI-T UT 620C+

Micro-ohmmeter, also known as a DC resistance tester, is a DC low-resistance measuring device that uses microprocessor technology and a four-wire test method to ensure safety, accuracy, and reliability. It is mainly used to measure the resistance of cable wires, contact resistance of switches, connectors, and relays, as well as metal-to-metal joint resistance, check the resistance of connections between metal components, check low-voltage resistance, and check the resistance of connecting wires between grounding electrodes and contacts. It is widely used for measuring distribution rooms, distribution cabinets, high-voltage circuit breakers, equipment contact points, coils, transformers, switches, relays, cables, etc. 📌 Features ● Resistance test range: 0.001 mΩ ~ 300.0 kΩ ● Test current: approx. 1 A ● Four-wire precise measurement. ● 499 data storage sets. ● Equipped with USB communication. ● 3.7 VDC 3200 mAh lithium battery. ● Auto/manual range control. ● Line resistance calibration function. ● Sampling rate: 2-3 times per second.