UNI-T UT620C+ Micro Ohm Meter
The UNI-T UT620C+ Micro Ohm Meter is a professional low-resistance tester designed for highly accurate measurement of very small resistance values. Utilizing a four-wire (Kelvin) measurement method and advanced microprocessor technology, it delivers precise results from micro-ohms up to hundreds of kilohms. This makes it ideal for electrical maintenance, industrial testing, motor and transformer winding checks, cable resistance evaluation, contact resistance measurement, and quality control applications.
Key Features
- Wide resistance measurement range from 0.001 mΩ to 300 kΩ
- Ultra-high resolution down to 1 µΩ for micro-ohm level precision
- Four-wire (Kelvin) measurement eliminates lead resistance error
- Large backlit LCD display for easy reading in all lighting conditions
- 500 data memory slots to store measurement results
- USB-C interface for data transfer and battery charging
- Auto power-off, low battery, and backlight control functions
- IP54 dust and splash resistance for job-site durability
- Rechargeable Li-ion battery for portable use
- PC Software Supported
Specifications
- Measurement Range: 0.001 mΩ – 300 kΩ
- Resolution: 1 µΩ – 100 Ω (range dependent)
- Accuracy: ±0.1 %FS (typical across ranges)
- Measurement Method: 4-wire (Kelvin)
- Display: Backlit LCD
- Data Storage: 500 readings
- Test Current: Up to 1 A on lowest range
- Open Circuit Voltage: ≤ 4.2 V
- Input Protection: Up to 36 V AC/DC
- Interface: USB-C (data & charging)
- Battery: Rechargeable Li-ion (~2600 mAh)
- Auto Power-Off: Yes
- IP Rating: IP54
- Operating Temperature: 0 °C to 40 °C
- Dimensions: Approx. 161 × 117 × 68 mm
- Weight: Approx. 480 g
Applications
- Low-resistance measurement of cables, wires, and bus bars
- Contact resistance testing on switches, relays, and connectors
- Motor and transformer winding resistance checks
- Grounding and bonding system evaluation
- Weld and joint resistance testing
- Industrial maintenance, power systems, telecommunications, and quality control
The UNI-T UT620C+ Micro Ohm Meter delivers high precision, broad measurement range, and reliable performance, making it an essential tool for professionals requiring accurate low-resistance testing in electrical and industrial environments.
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