Digital Multimeter True RMS UT139S

Main Features

1. True RMS
2. NCV
3. Auto and manual ranges selectable
4. LPF (low pass filter) function
5. LoZ (low impedance input) function
6. 31-segment analog bar graph
7. Black EBTN screen
8. Diode, duty ratio and continuity buzzer

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Functions Range Basic Accuracy
DC voltage (V) 60mV/600mV


AC voltage (V) 60mV/600mV


DC current (A) 600μA/6000μA


AC current (A) 600μA/6000μA


Resistance (Ω) 600Ω/6kΩ/60kΩ


Capacitance (F) 9.999nF/99.99nF



Frequency (Hz) 10Hz~10MHz ±(0.1%+4)
Temperature    (℃) -40~1000℃ ±(1.0%+4)
Temperature    (℉) -40~1832℉ ±(1.5%+5)
Safety rating CAT III 600V
True RMS
LCD display EBTN
Display count 6000
Continuity    buzzer
Duty cycle
Sampling rate 3 times/s
Analog bar    graph 31 segments
Range selection
Relative mode
Drop proof 1m
General Characteristics
Product color Red and grey
Product net weight 345g
Product size 175×81×48.5mm
Standard individual packing Gift box, English    manual
Standard quantity per carton 40pcs
Standard carton size 450×330×340mm
Standard carton gross weight


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