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IDEAL INDUSTRIES, INC. TECHNICAL MANUAL
MODEL: 61-320
MODEL: 61-322
MODEL: 61-324
Multimeter 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
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Form Number: TM61320-2-4
Revision: 4. Date: Feb 2008
Form Number TM61320-2-4
Rev 4 February 2008
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Summary of Contents for IDEAL INDUSTRIES 61-320
- Page 1 IDEAL INDUSTRIES, INC. TECHNICAL MANUAL MODEL: 61-320 MODEL: 61-322 MODEL: 61-324 Multimeter 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 ●...
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Page 2: Table Of Contents
TABLE OF CONTENTS Page Introduction Precautions and Safety Information Symbols Safety Specifications General Specification Measurement Characteristics Voltage Specification Current Specifications Resistance, Diode, Continuity Specifications Frequency, Capacitance Specification Auto Power Off, Peak Hold Physical and environment characteristics Certification and compliance Required Equipment Basic Maintenance Opening the Meter Case Replacing the Battery... -
Page 3: Introduction
The information provided in this document is for the use of qualified personnel only. Caution The 61-320 serials 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. -
Page 4: Safety
Page 2 SAFETY Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use the product only as specified. CAUTION: These statements identify conditions or practices that could result in damage to the equipment or other property. -
Page 5: Specifications
Page 3 SPECIFICATIONS All specifications are warranted unless noted typical and apply to the 61-320 & 61-322 & 61-324 Stated accuracies are at 23°C±5°C at less than 80% relative humidity and without the battery indicator displayed. General specifications Characteristics Description... -
Page 6: Measurement Characteristics
: CMRR > 100dB at DC, 50Hz / 60Hz NMRR > 50dB at DC, 50Hz / 60Hz AC Conversion Type: 61-320: Average sensing rms indication calibrated to the sine wave input. 61-322 / 61-324: AC conversions are ac-coupled, true rms responding, calibrated to the sine wave input. -
Page 7: Current Specifications
Page 5 (3) DC Current Range Resolution Accuracy Voltage Burden 400.0µA 0.1μA 4000µA 1μA 2V max. ±(1.0% reading + 2 digits) 40.00mA* 10μA 400.0mA* 0.1mA 2V max. Overload Protection: mA Input : 1A (600V) fast blow fuse. (61-322 / 61-324) µA Input : 600V rms. -
Page 8: Frequency, Capacitance Specification
Page 6 (7) Frequency Overload Range Resolution Sensitivity Accuracy Protection 4.000KHz 40.00KHz 10Hz 150mV rms * Frequency: 400.0KHz 100Hz 600V rms (± 0.1% + 1 digit) 4.000MHz 1KHz 300mV rms 40.00MHz 10KHz 1V rms * Less than 20Hz, the sensitivity is 1.5V rms. (8) Capacitance Over Voltage Range... -
Page 9: Physical And Environment Characteristics
Page 7 Physical and Environmental Characteristics Characteristics Description 158mm×76mm×38mm Dimensions (H×W×D) 164mm×82mm×44mm (with holster) Weight (with battery) 0.3Kg With holster 0.5Kg Environmental characteristics Description Temperature operating 0 to +50°C Non-Operating -20 to +60°C Humidity (operating) <80% R.H. Altitude Operating 2,000M (6560 ft.) Non-Operating 12,300M (40354 ft.) MIL-T-28800E TYPE II Class 5... -
Page 10: Required Equipment
Page 8 Required Equipment Required equipment is listed in Table B. If the recommended models are not available, equipment with equivalent specifications may be used. Repairs or servicing should be performed only by qualified personnel. Table B. Required Equipment Equipment Required Characteristics Recommended Model AC Voltage Range: 0... -
Page 11: Basic Maintenance
Using a Phillips-head screwdriver, remove the four screws. Replacing the Battery The meter is powered 1.5V x 2 batteries for 61-320 and a single 9V battery for 61-322 / 61-324. To replace the battery, refer to Figure 1. Figure 1... -
Page 12: Testing Fuses
Page 10 Testing Fuses To test the internal fuses of the meter. 1. Turn the rotary selector switch to the Ω position. 2. To test FS1, plug a test lead into VΩHz input terminal, and touch the probe to the mA input terminal. -
Page 13: Performance Tests
Page 11 Performance Tests The following performance tests verify the complete operability of the meter and check the accuracy of each meter function against the meter’s specifications. Accuracy specifications are valid for a period of one year after calibration, when measured at an operating temperature of 18°C to 28°C and a maximum of 80% relative humidity. -
Page 14: Testing The Voltage Function
Page 12 Testing the Voltage Function To verify accuracy in the AC and DC voltage ranges, do the following: 1. Turn the rotary switch to “V ” position. 2. Connect the calibrator to the VΩ and COM inputs on the meter. 3. -
Page 15: Testing The Resistance Function
Page 13 Testing the Resistance Function To verify the accuracy of the resistance function, do the following: 1. Connect the calibrator to VΩHz and COM on the meter. 2. Turn the rotary switch to Ω. 3. Apply the inputs for step 1 to 6 in Table 3. 4. -
Page 16: Testing The Diode
Page 14 Table 4 Capacitance Test: Step Source Reading 3.000nF 2.900 to 3.100 30.00nF 29.00 to 31.00 300.0nF 293.2 to 306.8 3.000µF 2.932 to 3.068 30.00µF 29.32 to 30.68 300.0µF 293.2 to 306.8 3.000mF 2.830 to 3.170 Checking the Diode Test / Continuity Function To check the diode test function, do the following: 1. -
Page 17: Testing The Microamp Function
Page 15 6. Turn the rotary switch to mA 7. Set the calibration for the voltage from step 1 to 2 in Table 6. 8. For each input, compare the reading on the meter display to the reading in Table 6. 9. - Page 18 Page 16 Table 8 Frequency Test: Step Source Level Reading 3.000KHz 150mV rms 2.996 to 3.004 30.00KHz 150mV rms 29.96 to 30.04 300.0KHz 150mV rms 299.6 to 300.4 3.000MHz 300mV rms 2.996 to 3.004 30.00MHz 1V rms 29.96 to 30.04 Form Number TM61320-2-4 Rev 4 February 2008...
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Page 19: Calibration
(B) ACV Calibration (Adjust VR2) (refer to Figure 4 & 5) 1. Set the circuit board rotary switch "arrow" to the "V" position of circuit board. 2. Set the output of AC calibration for 300Vrms 50Hz (61-320) 300Vrms 50Hz (61-322/61-324) and connect to VΩHz and COM input terminals on meter. - Page 20 Page 18 Figure 4 61-320 Calibration Adjustment Points Form Number TM61320-2-4 Rev 4 February 2008...
- Page 21 Page 19 Figure 5 61-322/324 Calibration Adjustment Points Form Number TM61320-2-4 Rev 4 February 2008...
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