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Uni-T UT139B True RMS Digital Multimeter

Price: 48.60 €
Products ID:176884
Manufactured by: Uni-T
Availablity: Ready to Order
Delivery Time5-10 business days
EAN: 6935750521397

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Uni-T UT139B True RMS Digital Multimeter
Uni-T UT139B True RMS Digital Multimeter
Uni-T UT139B True RMS Digital Multimeter
Uni-T UT139B True RMS Digital Multimeter


The Uni-T UT139B is a True RMS digital multimeter designed for everyday electrical measurements, featuring CAT III 600V safety category and a 4000-count backlit display with a 31-segment analog bar graph.

Key Features

  • Measures AC/DC voltage up to 600 V and AC/DC current up to 10 A
  • Resistance, capacitance, frequency, and duty cycle measurement
  • NCV non-contact voltage detection and V.F.C. function
  • Diode test, continuity buzzer, Data Hold, Relative mode, and Max/Min recording
  • Automatic and manual measurement range selection

ManufacturerUni-T
ModelUT139B
Product typeTrue RMS digital multimeter
DC voltage range40 mV / 400 mV / 4 V / 40 V / 400 V / 600 V ±(0.5% + 2)
AC voltage range40 mV / 400 mV / 4 V / 40 V / 400 V / 600 V ±(0.8% + 3)
DC current range400 µA / 4000 µA / 40 mA / 400 mA / 4 A / 10 A ±(1.0% + 2)
AC current range400 µA / 4000 µA / 40 mA / 400 mA / 4 A / 10 A ±(1.2% + 3)
Resistance measurement range400 Ω / 4 kΩ / 40 kΩ / 400 kΩ / 4 MΩ / 40 MΩ ±(1.0% + 2)
Capacitance measurement range9.999 nF – 99.99 mF ±(4.0% + 5)
Frequency range10 Hz – 10 MHz ±(0.1% + 4)
Maximum display reading4000
AC frequency range45 Hz – 400 Hz
Range selectionAutomatic and manual
FunctionsTrue RMS, NCV, diode test, continuity buzzer, duty cycle, Data Hold, Relative mode, Max/Min, LCD backlight, V.F.C.
Measurement categoryCAT III 600 V
Power supply2 × 1.5 V AA batteries
Weight354 g
Dimensions175 × 81 × 48.5 mm
Display dimensions58 × 36 mm
CertificationsCE, UKCA, cETLus
What is included in the package with the Uni-T UT139B?

The package includes the digital multimeter, 2 AA batteries, and 1 pair of test leads.

What measurement category does this multimeter support?

The Uni-T UT139B operates in the CAT III 600 V measurement category.

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48.60 €