Dawson DCM201A Посібник користувача - Сторінка 4

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The DCM201A meter meets GB/T 13978-92 Digital Clamp

Multimeter

General

technical

GB4793.1-1995

(IEC-61010-1,

measuring instrument safety standard，pollution 2 standard，with

Over-Voltage categories of CAT IV 600 and CAT III 1000V.

Safety Symbols

Important safety message

Conforms to relevant European Union directives

Warning Symbols

Risk of danger; Important information.

WARNING

User's Manual

Statement identifies conditions and actions

Caution

that failure to follow the instructions could

result in false readings, damage the Tester or

the equipment under test

Introduction

Overview

DCM201A is a portable, hand-held yet professional meter that

features an LCD with backlight, overload protection and low

battery indicator. These Meters are easy to use with one hand,

suitable for professional users or amateurs, and ideal for school or

home use.

requirements

standard,

IEC-61010-2-032)

electronic

See

Preparations:

Users must follow the standard safety instructions while using

the meter:

Once the Meter is out of the package, check for any

damage to the Meter before using.

Double check the Meter to make sure the components

are in good condition.

Check the test leads before operation. Leads must be in

good condition, check if leads are well covered by

insulator; wires should not be exposed.

Use the original test leads included in the package for

best performance and safety, if necessary, use the

compatible leads with same specifications of the

originals.

Operations:

1. Make sure to set the meter to the correct functions and

measuring range.

2. Do not use the Meter on a circuit where the measuring range

is over the capable range specified in the User's manual.

3. Do not touch the tips of test leads when performing

measurement.

4. If the measurement is above 60V DC or 30V AC, make sure

keeping hands below the tactile barrier and finger guards.

5. Do not use the Meter on a circuit if the voltage is above 750V

AC.

6. In Manual Mode, if the circuit value is unknown, start the