The UNI-T UT625B is a high-precision low resistance tester designed for industrial applications requiring accurate measurement of contact resistance, connections, and other critical low-impedance components. With its impressive 200A maximum test current, 0.1µΩ resolution, and four-wire Kelvin measurement method, this professional-grade instrument delivers laboratory-level precision in demanding field environments. Featuring a user-friendly 7-inch color display, built-in thermal printer, and comprehensive data storage capabilities, the UT625B is the ideal solution for power system maintenance, transformer testing, circuit breaker analysis, and high-current connection verification where accurate low resistance measurements are essential for system reliability and safety.
- Powerful 200A Test Current: Superior capability for accurate low resistance testing compared to standard 100A instruments
- Exceptional 0.1µΩ Resolution: Ultra-precise measurement across wide range from 0.1µΩ to 2000mΩ
- Four-Wire Kelvin Test Method: Eliminates lead and contact resistance for maximum measurement accuracy
- Adjustable Test Duration: Flexible testing times from 10-60 seconds with 1-second increments
- Pass/Fail Comparison: Automatic evaluation against preset values for quick quality assessment
- 7-inch Color LCD Display: Clear visualization of measurements with 5-level adjustable backlight
- Built-in Thermal Printer: Instant documentation of test results for field reporting
- Comprehensive Data Storage: 200 sets of measurements with auto/manual/cyclical save options
- PC Connectivity: USB connection for advanced analysis and report generation
- Overheat Protection: Safeguards against thermal damage during extended high-current testing
Applications
- Power Systems & Utility
- Industrial & Manufacturing
- New Energy & Infrastructure
- Maintenance & Quality Control
Each Unit Includes
- 1 - Digital Low Resistance Ohmmeter, 200A (UT625B)
- 1 - Pair 4-wire Test Clips (red and black)
- 1 - Ground Cable
- 1 - Standard Shunt (375µΩ)
- 1 - USB Cable
- 1 - AC Power Adapter
- 1 - Thermal Printer Paper
- 1 - Carrying Cloth Bag
- 1 - Quick Start Guide