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Extech Instruments EX350 User Manual

Extech Instruments EX350
25 pages
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USERGUIDE
TrueRMSDigitalMultimeters
EX350Series
EX350TrueRMSDigitalMultimeter
EX355TrueRMSDigitalMultimeterwithTemperature
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Extech Instruments EX350 Specifications

General IconGeneral
BrandExtech Instruments
ModelEX350
CategoryMultimeter
LanguageEnglish

Summary

Introduction

Safety Information

Safety Warnings and Cautions

Highlights critical safety instructions, warnings, and cautions to prevent injury or equipment damage.

Descriptions

Meter Component Identification

Identifies and describes the main parts and features of the EX350 multimeter, including ports and buttons.

Display Icon Meanings

Explains the various symbols and icons displayed on the multimeter's LCD screen.

Button Functionality Explained

Details the function of each push-button on the multimeter for various operations.

Operation and Measurements

Basic Meter Operations

Covers powering on/off, disabling auto power off, backlight control, and data hold functionality.

Voltage Measurement Procedures

Guides on performing AC, DC, LoZ, and VFD voltage measurements, including lead connection and range selection.

Current Measurement Procedures

Procedure for measuring AC/DC current at 10A and mA/µA ranges, with safety notes.

Non-Contact Voltage Detection

Instructions for using the non-contact voltage detector and its operational indicators.

Resistance, Continuity, and Capacitance

Steps for measuring resistance, testing continuity, and measuring capacitance, with safety precautions.

Diode and Temperature Testing

Guides for Diode testing (p18) and Temperature measurement (EX355) (p19).

Advanced Measurement Modes

Details on using Hz/% Duty Cycle, Relative Mode, and Max Min modes for advanced measurements.

Maintenance and Care

Battery and Fuse Replacement

Procedure for replacing batteries and fuses, including safety guidelines and disposal.

Cleaning and Storage

Guidelines for cleaning and storing the multimeter to maintain its condition.

Specifications

Electrical Specifications

Detailed electrical specifications for the EX350 Series, covering ranges, accuracy, and input impedance.

General Specifications

Covers display, voltage limits, battery life, dimensions, safety standards, and EMC compliance.

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