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CEN-TECH ITEM 98674 User Manual

CEN-TECH ITEM 98674
27 pages
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ITEM 98674
DIGITAL MULTIMETER
OPERATION MANUAL
DIGITAL MULTIMETER
CONTENTS
CONTENTS
1.
SAFETY INFORMATION …1
1.1
PRELIMINARY …1
1.2
DOS AND DON’TS …2
1.3
SYMBOLS …3
1.4
MAINTENANCE …4
2.
DESCRIPTION …6
2.1
NAMES OF PARTS …7
2.2
SWITCH, BUTTONS AND INPUT JACKS …8
2.3
LIQUID-CRYSTAL DISPLAY (LCD)
…10
3.
SPECIFICATIONS …12
3.1
GENERAL SPECIFICATIONS …12
3.2
TECHNICAL SPECIFICATIONS …13
4.
OPERATION INSTRUCTION …23
4.1
MISCONNECTION ALARM …23
4.2
HOLDING READINGS …24
4.3
SWITCHING FUNCTIONS …24
4.4
SWITCHING RANGES …24
4.5
SWITCHING BETWEEN FREQUENCY/DUTY …25
4.6
SWITCHING TO RELATIVE MEASUREMENT …25
4.7
BACK LIGHT …26
4.8
AUTO POWER OFF …27
4.9
PREPARING FOR MEASUREMENT …28
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CEN-TECH ITEM 98674 Specifications

General IconGeneral
BrandCEN-TECH
ModelITEM 98674
CategoryMultimeter
LanguageEnglish

Summary

SAFETY INFORMATION

Preliminary Safety

Initial safety rules and precautions for meter usage.

Safe Operation Dos and Don'ts

Essential guidelines for proper and safe operation.

Safety Symbol Reference

Interpretation of important safety symbols used in the manual.

Maintenance Safety Precautions

Safety considerations during meter maintenance.

PRODUCT DESCRIPTION

Component Identification

Detailed identification of the multimeter's components.

Controls and Input Jacks

Explanation of buttons, switches, and input jacks.

LCD Display Overview

Description of the liquid-crystal display and its indicators.

SPECIFICATIONS

General Specifications

Overall features and general characteristics of the meter.

Technical Specifications

Detailed technical data, ranges, and accuracy.

OPERATION INSTRUCTIONS

Misconnection Warning System

Alerts for incorrect test lead connections.

Reading Hold Functionality

How to freeze and release the displayed measurement.

Function Selection Guide

Changing between AC/DC and other measurement modes.

Range Selection Guide

Managing auto and manual measurement ranges.

Frequency vs. Duty Cycle Switching

Switching between frequency and duty measurements.

Relative Measurement Mode

Using the relative measurement feature.

Backlight Operation

Operating the display backlight function.

Auto Power Off Feature

Understanding the automatic power-off feature.

Pre-Measurement Steps

Steps before taking measurements.

How to Measure DC Voltage

Procedure for measuring DC voltage.

How to Measure AC Voltage

Procedure for measuring AC voltage.

How to Measure Frequency

Procedure for measuring frequency.

How to Measure Duty Cycle

Procedure for measuring duty cycle.

How to Measure DC Current

Procedure for measuring DC current.

How to Measure AC Current

Procedure for measuring AC current.

How to Measure Resistance

Procedure for measuring resistance.

How to Measure Capacitance

Procedure for measuring capacitance.

Diode Testing Procedure

Procedures for testing diodes.

Continuity Testing Procedure

Procedures for testing continuity.

Ambient Humidity Measurement

Procedure for measuring ambient humidity.

Ambient Temperature Measurement (Thermistor)

Measuring ambient temperature with a thermistor.

Temperature Measurement (Thermocouple)

Measuring temperature using a thermocouple.

Sound Level Measurement

Procedure for measuring sound level.

Luminance Measurement

Procedure for measuring luminance.

MAINTENANCE

Battery Replacement Guide

Instructions for replacing the meter's batteries.

Fuse Replacement Guide

Instructions for replacing the internal fuse.

Test Lead Replacement Guide

Guidelines for replacing test leads.

ACCESSORIES

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