UNI-T UT620B Digital Micro Ohm Meter is used to measure DC low resistance through 4-wire method.

Some of their features are:

Comparison function to determine if the device is in good condition, unknown wire length calculation (FT/M);

two-way data transmission by USB interface; built-in rechargeable lithium battery.

UT620 can be used in narrow space for on-site troubleshooting,

such as metal coating resistance/motor and small transformer winding resistance measurements,

earth system joints/welding points/power distribution cabinet bus and lead connection

inspections and more.



Best Accuracy

Model UT620B
Minimum Resolution 1uΩ
Resistance (Ω) 60.000mΩ/10A ±(0.25%+25dgts)
600.00mΩ/1A ±(0.25%+20dgts)
6.0000Ω/100mA ±(0.25%+20dgts)
60.000Ω/10mA ±(0.25%+20dgts)
600.00Ω/1mA ±(0.25%+25dgts)
6.0000kΩ/100uA ±(0.25%+30dgts)


LCD Counts 60000
Four-wire Measurement
Wire Length Measurement
High/Low Limit Alarm
Data Storage 1000
USB Data Transfer
Manual Range
Data Hold
Relative Value
Low Battery Display

Device Characteristics

Power Lithium Battery 7.4V 4000mAh,


LCD Size 116mm × 87.5mm
Product Color Red and Grey
Product Net


Product Size 268mm × 168mm × 60mm
Standard Accessories Kelvin Clips (Red&Black)×1,

Power Adaptor×1pcs,

USB Cable, Software CD


Individual Packing

Gift Box, Carrying Bag,

English Manual

Standard Quantity Per Carton 5pcs
Standard Carton


390mm × 370mm × 285mm
Standard Carton

Gross Weight

Optional Accessories*
Four-wire Test Probes (Red&Black)×1


Package includes:

1 x UNI-T UT620B Digital Micro Ohm Meter

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Additional information

Weight 0.1 kg


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