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99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
IDEAL INDUSTRIES, INC. TECHNICAL
MODEL: 61-484
MODEL: 61-486
Multimeters Service Information
The Service Information provides the following information:
Precautions and safety information
Specifications
Basic maintenance (cleaning, replacing the battery and fuses)
Performance test procedures
Calibration and calibration adjustment procedures
Form number: TM61480II
Revision:1. Date: July 2011
Form number TM61480II
Rev 1 July 2011

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Table of Contents
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Summarization of Contents

Introduction
Precautions and Safety Information
Information regarding precautions and safety for using the multimeter.
Understanding Meter Symbols
Explanation of symbols used on the multimeter and in its documentation.
Technical Specifications
General Specifications
Lists general technical characteristics like display count, power source, and battery life.
Measurement Characteristics
Details accuracy specifics, temperature coefficient, and humidity effects on measurements.
Physical and Environmental Characteristics
Physical Characteristics: Dimensions and Weight
Details the meter's physical dimensions and weight with battery.
Environmental Characteristics: Operating Conditions
Covers temperature, humidity, altitude, and vibration specifications for operation and storage.
Basic Maintenance Procedures
Replacing the Battery
Instructions and diagram for replacing the 9V battery in the multimeter.
Fuse Testing and Replacement
Fuse Replacement
Provides a diagram and steps for replacing the internal fuses of the multimeter.
Performance Verification Tests
Voltage Function Accuracy Test
Details the procedure to verify the accuracy of the meter's AC and DC voltage measurement functions.
Calibration Procedures
Calibration Environmental Conditions
Specifies ambient temperature and humidity requirements for accurate meter calibration.
Activate Calibration Procedure Mode
Details the button sequence to activate the multimeter's calibration procedure mode.
Standard Function Calibration
Describes how to calibrate voltage, ampere, resistance, diode, and capacitance functions.
Temperature Calibration
Explains the steps for calibrating the temperature measurement function of the meter.
Calibration Adjustment Points
AC and DC Volts Calibration Table
Lists standard values for calibrating AC and DC voltage measurement functions across various ranges.

Table of Contents