CEN-TECH ITEM 98674 Specifications download pdf (Page 2)

DIGITAL MULTIMETER

CONTENTS

4.10

MEASURING DC VOLTAGE …29

4.11

MEASURING AC VOLTAGE …30

4.12

MEASURING FREQUENCY …31

4.13

MEASURING DUTY …32

4.14

MEASURING DC CURRENT …32

4.15

MEASURING AC CURRENT …33

4.16

MEASURING RESISTANCE …35

4.17

MEASURING CAPACITANCE …36

4.18

TESTING DIODE …36

4.19

TESTING CONTINUITY …37

4.20

MEASURING RELATIVE HUMIDITY …38

4.21

MEASURING TEMPERATURE

(WITH THERMO-RESISTOR)

…39

4.22

MEASURING TEMPERATURE

(WITH THERMOCOUPLE)

…40

4.23

MEASURING SOUND LEVEL (dB) …41

4.24

MEASURING LUMINANCE …41

MAINTENANCE …45

5.1

REPLACING THE BATTERIES …45

5.2

REPLACING FUSE …45

5.3

REPLACING TEST LEADS …47

ACCESSORIES …48

DIGITAL MULTIMETER

SAFETY INFORMATION

NTS

1. SAFETY INFORMATION

WARNING

BE EXTREMELY CAREFUL WHEN USING THIS

METER. Improper use of this device can result in

electric shock or destruction of the meter. Take all

normal safety precautions and follow the safeguards

suggested in this manual.

To exploit full functionality of the meter and ensure

safe operation, please read carefully and follow the

directions in this manual.

This meter complies with the general technical requirements

for the GB/T 19978-92 multimeter as well as the safety

requirements for GB4793.1-1995 (IEC-1010-1:1990)

concerning electronic measuring instruments, with pollution

degree 2 and overvoltage at CAT ΙΙ 1000V/ CAT ΙΙΙ 600V.

Follow all safety and operation instructions to ensure safe

use of the meter.

With proper use and care, this digital multimeter will give you

years of satisfactory service.

1.1 PRELIMINARY

1.1.1 When using the meter, the user must observe all

normal safety rules concerning:

1) general protection against electric shock

2) protection of the meter against misuse

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CEN-TECH ITEM 98674 Specifications Page 2

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