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Tenma 72-9375 User Manual

Tenma 72-9375
25 pages
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110V
P/N:110401102691
72-9375
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Tenma 72-9375 Specifications

General IconGeneral
BrandTenma
Model72-9375
CategoryMultimeter
LanguageEnglish

Summary

Tenma 72-9375 Multimeter Introduction

Overview, Package, and Safety

Introduces the multimeter, lists package contents, and provides initial safety guidelines.

Safety Compliance Standards

Details safety standards like IEC61010 and overvoltage categories for safe operation.

Safe Operation and Electrical Symbols

Rules for Safe Operation

Crucial rules to prevent electric shock, injury, and equipment damage during multimeter use.

International Electrical Symbols

Explains standard electrical symbols found on the multimeter for user understanding.

Multimeter Structure and Controls

Meter Structure Identification

Identifies key physical components of the multimeter, including display and terminals.

Rotary Switch Functions

Describes the function assigned to each position of the rotary selector switch.

Button Operations and Display Symbols

Functional Buttons Operation

Explains the operation of the RESET, SELECT, and HOLD buttons for various multimeter functions.

Display Symbols Explained

Details the meaning of symbols displayed on the multimeter's LCD, like CHARGE, AUTO, and H.

Measurement Units and Definitions

Voltage Measurement Procedures

AC Voltage Measurement

Step-by-step guide to measure AC voltage, including connections, settings, and input impedance notes.

DC Voltage Measurement

Step-by-step guide to measure DC voltage, including connections, settings, and input impedance notes.

Resistance and Diode Testing

Resistance Measurement

How to measure resistance across various ranges, with tips for accuracy and OL indication.

Testing Diodes

Procedure for testing diodes and semiconductor components, including forward voltage drop measurement.

Continuity and Capacitance Testing

Continuity Testing

How to perform continuity tests, including buzzer operation and resistance interpretation.

Capacitance Measurement

Steps for measuring capacitance, its ranges, and notes on accuracy and overload.

Frequency and Current Measurements

Frequency Measurement

Procedure for measuring frequency, including measurement ranges and voltage limits.

AC & DC Current Measurement

How to measure AC and DC current, including terminals, ranges, and safety precautions.

Power Charging and Hold Mode

Power Charging Methods

Instructions for charging the multimeter via 110V AC, 12-36V DC, or solar power.

Hold Mode Operation

How to use the Hold mode to freeze readings and its applicability across measurement functions.

Relative Value Mode and Sleep Function

Relative Value Mode Usage

Explains how to use the relative value mode to measure differences from a stored value.

Sleep Mode Feature

Details the automatic power-off feature for battery preservation and how to disable it.

General Specifications and Compliances

Accuracy Specifications: Voltage & Resistance

AC Voltage Accuracy

Details accuracy specs, overload protection, and frequency response for AC voltage measurements.

DC Voltage Accuracy

Provides accuracy specs, overload protection, and input impedance for DC voltage measurements.

Resistance Accuracy

Lists accuracy specs, overload protection, and open circuit voltage for resistance measurements.

Accuracy Specifications: Diode, Continuity, Capacitance

Diode & Continuity Accuracy

Accuracy and overload protection for diode and continuity tests, including buzzer behavior.

Capacitance Test Accuracy

Details accuracy and overload protection for capacitance measurements, with remarks on input amplitude.

Accuracy Specifications: Frequency & Current

Frequency Test Accuracy

Accuracy and overload protection for frequency tests, with remarks on input amplitude.

AC Current Accuracy

Accuracy and overload protection for AC current measurements, including fuse specifications.

Accuracy Specifications: DC Current & Maintenance

DC Current Accuracy

Accuracy and overload protection for DC current measurements, with remarks on continuous measurement time.

General Service and Cleaning

Basic maintenance for cleaning the multimeter, terminals, and storage recommendations.

Fuse Replacement Procedure

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