UNI-T UT81B User Manual

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Model UT81B: OPERATING MANUAL
l The specification is same as Hi. Under Multimeter mode, press RANGE button to toggle between frequency
and duty cycle mode.
l On the top right corner of the display shows the waveform’s RMS value, for reference only. When the LCD
displays 1-10 period waveform cycle or the peak-peak difference value is greater than 1/3 div, the reading is valid,
otherwise the Meter displays “ ————“
40nF
400nF
4µF
40µF
100µF
250V DC or AC rms
Range Resolution Accuracy Overload Protection
10pF
100pF
1nF
10nF
100nF
Under REL mode: (3%+10)
(3%+8)
(4%+8)
I. Capacitance

UNI-T UT81B Specifications

General

Backlight	Yes
Product type	Digital multimeter
Frequency range	0.01 - 10000 kHz
AC current range	0.4 - 10 A
AC voltage range	4 - 750 V
DC voltage range	0.4 - 1000 V
Dimensions (WxDxH)	100 x 48 x 200 mm
Battery voltage	1.5 V

Weight and Dimensions

Weight	498 g