UNI-T UT603

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Model UT602/603: OPERATING MANUAL
Table of Contents
Title Page
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
Functional Buttons
Display Symbols
Measurement Operation
A. Measuring Resistance
B. Diode and Continuity Test
C. Capacitance Measurement
D. Inductance Measurement
E. Transistor hFE Measurement
General Specifications
Accuracy Specifications
A. Resistance Test
B. Continuity & Diodes
C. Capacitance Test
D. Inductance Test
E. Transistor
Maintenance
A. General Service
B. Replacing the Battery
C. Replacing the Fuse
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UNI-T UT603 Specifications

General

Data hold	Yes
Product type	Digital multimeter
Dimensions (WxDxH)	83 x 172 x 38 mm
Battery voltage	9 V

Weight and Dimensions

Weight	312 g

Summary

Introduction and Safety

Overview

General introduction to the digital multimeter and its capabilities.

Unpacking and Inspection

Steps for checking the contents of the package and inspecting the meter.

Safety Information and Warnings

Important safety precautions and definitions of warnings and notes.

Rules for Safe Operation

Essential guidelines to prevent electric shock, injury, and equipment damage.

Meter Description and Operation

International Electrical Symbols

Explanation of standard symbols used on the meter and manual.

Meter Structure and Components

Identification and description of the multimeter's parts and terminals.

Functional Buttons and Controls

Details on the operation of the meter's buttons and switches.

Display Symbols and Indicators

Meanings of various symbols shown on the meter's LCD display.

Measurement Procedures

Measuring Resistance

Step-by-step guide for measuring resistance values.

Diode Testing

Procedure for testing diodes and interpreting forward voltage drop.

Continuity Testing

Procedure for testing circuit continuity using the beeper.

Capacitance Measurement (UT603)

Instructions for measuring capacitance with the UT603 model.

Inductance Measurement

Instructions for measuring inductance values.

Transistor hFE Measurement

Procedure for measuring the hFE parameter of transistors.

Accuracy Specifications

Resistance Test Accuracy

Specific accuracy details for resistance measurements.

Continuity & Diodes Accuracy

Accuracy specifications for continuity and diode tests.

Capacitance Test Accuracy (UT603)

Accuracy details for capacitance measurements.

Inductance Test Accuracy

Accuracy specifications for inductance measurements.

Transistor hFE Accuracy

Accuracy details for transistor hFE measurements.

Maintenance and Servicing

General Service and Cleaning

Guidelines for routine maintenance and cleaning of the meter.

Battery Replacement

Step-by-step instructions for replacing the meter's battery.

Fuse Replacement

Step-by-step instructions for replacing the meter's fuse.