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IDEAL INDUSTRIES, INC. TECHNICAL MANUAL MODEL: 61-721 MODEL: 61-722 The Service Information provides the following information: • Precautions and safety information • Specifications • Performance test procedure • Calibration and calibration adjustment procedure • Basic maintenance (replacing the battery) Form number: TM61721-2 Revision: 2.
TABLE OF CONTENTS Title Page Introduction Precautions and Safety Information Safety Information Specifications General Specification Voltage Specifications Current Specifications Resistance Specifications Frequency Specification Diode Specifications Continuity Specifications Performance Verification Calibration Replacing the Battery Form number TM61721-2 Rev 2 May 2002...
The information provided in this document is for the use of qualified personnel only. Caution The 61-721 and 61-722 contain parts that can be damaged by static discharge. Follow the standard practices for handling static sensitive devices. For additional information about IDEAL INDUSTRIES, INC. and its products, and services, visit IDEAL INDUSTRIES, INC.
Approximately < 30Ω on 2KΩ, <100Ω on {Diode/Continuity} AC Converter: Model 61-721 Average responding, RMS Calibrated to Sine Wave AC Converter: Model 61-722 True RMS responding, RMS Calibrated to Sine Wave Overload Protection: AC and DC Voltage: 600 VDC or VAC rms for no more than one minute.
Page 3 PERFORMANCE VERIFICAITONS Perform the following analysis, if the meter conforms to the limits listed in Table 1 the meter is functioning correctly. If the meter does not conform to any of the listed limits the calibration procedure must be performed.
The class of calibrator or equipment should have an accuracy that exceeds, by an expectable ratio the accuracy of this instrument. Model 61-721 DCV Calibration 1. Set the function/range to the 600V DC. 2. Apply 600V DC to the V and COM input jacks.
Page 5 Battery Replacement (refer to Figure 2) 1. Disconnect the test leads from any circuit under test and turn off meter. 2. Use a Philips head screwdriver to remove the two screws on battery cover. 3. Remove battery from compartment and unsnap the battery connector. 4.