Diode and continuity test with buzzer, Rugged, durable design
UT139 Series digital multimeters are newly designed to offer users better performance and higher safety rating, totally over-load protection and unique structural design make it new type of multimeter with high performance
With synchronous display function with super large screen digital and high resolution analog pointer, full range overload protection and unique appearance design
With the frequency converter VFD measurement function, can be stable measurement of high frequency interference signal frequency or current situation
Combined with true RMS measurement, data storage relative measurement, maximum / minimum, under pressure prompt, backlight and auto power off function, which becomes more superior performance of electrical instruments.