UNI-T UT625B 200A Low Resistance Ohmmeter – 0.1µΩ Resolution, 4-Wire Kelvin, Circuit-Breaker Contact Resistance, 7" LCD, Built-in Printer, USB, Micro-Ohmmeter
UNI-T UT625B is a 200A low-resistance ohmmeter (micro-ohmmeter) for measuring the contact resistance of high-current connections — circuit-breaker contacts, bus-bar joints and switchgear — using a 4-wire Kelvin method with resolution to 0.1 µΩ....
SKU: UT625B
Product details
UNI-T UT625B is a 200A low-resistance ohmmeter (micro-ohmmeter) for measuring the contact resistance of high-current connections — circuit-breaker contacts, bus-bar joints and switchgear — using a 4-wire Kelvin method with resolution to 0.1 µΩ. Genuine UNI-T supplied by with manual and warranty. Key Features Stepping test current 5 A– 200 A DC (5A/10A steps) Resolution to 0.1 µΩ; accuracy ±(0.4% rdg + 0.04% FS) 4-wire Kelvin test — separates current and voltage electrodes for accuracy PASS/FAIL comparison; LO/OL over-range indication; self-check via shunt Open-circuit voltage 10V DC; overheating protection; measurement power ≤250 W 7" colour LCD; built-in thermal printer; USB (real-time + Excel reports); 200-set storage Technical Specifications Max Test Current 200 A DC Resolution 0.1 µΩ Accuracy ±(0.4% rdg + 0.04% FS) Method 4-wire Kelvin Comparison PASS / FAIL preset Open-circuit Voltage 10V DC Display 7" colour LCD Printer Built-in thermal Storage 200 sets Interface USB Power AC 198–242V What's in the Box UT625B low-resistance ohmmeter 4-wire test clips (red & black) Ground cable Shunt (self-check) USB cable AC power adapter Thermal printer paper Cloth bag Quick start guide Downloads UNI-T UT625A/UT625B Product Page & Manual Certifications: CE, RoHS | HS Code: 9030.39
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