UNI-T

Uni-T UT139B True RMS Digital Multimeter

True RMS, CAT III 600V, 4000 counts, LCD backlight, diode test

The Uni-T UT139B is a precise True RMS digital multimeter, suitable for versatile electrical measurements up to 600 V and 10 A. With a maximum reading of 4000 and features such as diode test, continuity buzzer, and LCD backlight, it offers user-friendliness and high accuracy. Ideal for service and electrical work, it combines functionality with a robust design.

CHF 44.95
Incl. VAT and recycling fee
Delivery time: Delivered by Mo. 21.9 Delivered by Mo. 21.9 More than 10 available
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Description

The Uni-T UT139B is a powerful True RMS digital multimeter designed specifically for daily electrical measurements. With a measurement accuracy that covers both DC and AC voltage up to 600 V as well as DC and AC current up to 10 A, it is ideal for professional applications and hobbyists. The intuitive operation is supported by a well-readable display, which is complemented by a 31-segment analog bar graph. Outstanding features include an NCV function for quick installation checks, a diode test, a continuity buzzer, and an LCD backlight for optimal visibility in low light conditions. Thanks to the automatic and manual range selection as well as the Max/Min function, the UT139B offers high flexibility and user-friendliness. This multimeter is an excellent choice for anyone who values precision and user comfort.

Specifications

General
Manufacturer Uni-T
Model UT139B
Type True RMS Digital Multimeter
Safety CAT III 600V
Weight 354 g
Packaging Dimensions
Height 94 mm
Width 131 mm
Depth 167 mm
Technical Data
DC Voltage 40 mV / 400 mV / 4 V / 40 V / 400 V / 600 V ±(0.5%+2)
AC Voltage 40 mV / 400 mV / 4 V / 40 V / 400 V / 600 V ±(0.8%+3)
DC Current 400 µA / 4000 µA / 40 mA / 400 mA / 4 A / 10 A ±(1.0%+2)
AC Current 400 µA / 4000 µA / 40 mA / 400 mA / 4 A / 10 A ±(1.2%+3)
Resistance 400 Ω / 4 kΩ / 40 kΩ / 400 kΩ / 4 MΩ / 40 MΩ ±(1.0%+2)
Capacitance 9.999 nF ~ 99.99 mF ±(4.0%+5)
Frequency 10 Hz ~ 10 MHz ±(0.1%+4)
Maximum Reading 4000
AC Frequency Range 45 Hz ~ 400 Hz
Range Selection Automatic and manual
Functions True RMS, NCV, Diode test, Continuity buzzer, Duty Cycle, Data Hold, Relative mode, Max/Min, LCD backlight, V.F.C