UNI-T UT625A 100A Low Resistance Ohmmeter – 0.1µΩ Resolution, 4-Wire Kelvin, Circuit-Breaker Contact Resistance, 7" LCD, Built-in Printer, USB, Micro-Ohmmeter
Pickup available at Digilog Electronics
Usually ready in 2 hours
UNI-T UT625A 100A Low Resistance Ohmmeter – 0.1µΩ Resolution, 4-Wire Kelvin, Circuit-Breaker Contact Resistance, 7" LCD, Built-in Printer, USB, Micro-Ohmmeter
UNI-T UT625A is a 100A 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 Digilog.pk with manual and warranty.
Key Features
- Stepping test current 5 A–100 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 5V 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 | 100 A DC |
|---|---|
| Resolution | 0.1 µΩ |
| Accuracy | ±(0.4% rdg + 0.04% FS) |
| Method | 4-wire Kelvin |
| Comparison | PASS / FAIL preset |
| Open-circuit Voltage | 5V DC |
| Display | 7" colour LCD |
| Printer | Built-in thermal |
| Storage | 200 sets |
| Interface | USB |
| Power | AC 198–242V |
What's in the Box
- UT625A 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
Certifications: CE, RoHS | HS Code: 9030.39
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