UNI-T UT81B User Manual

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Model UT81B: OPERATING MANUAL
1
Table of Contents
1 Before You Start
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
2 Using The Testing Tool
Reading the screen
The Meter Structure
Functional Buttons
3 Making Measurements
A. Scope Mode
i. Setting up the Sleep Mode, Contrast, Beep
ii. ACV, DCV, Hz, ACV and DCA Range
iii. Trigger function
iv. Waveform data save and recall
B. Digital Multimeter Mode
i. Measuring Voltages
ii. Measuring Currents
iii. Measuring Resistance
iv. Testing Diodes
v. Testing for Continuity
vi. Measuring Frequency / Duty Cycle

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