Instruction/ maintenance manual of the product 61-340 IDEAL INDUSTRIES
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IDEAL INDUSTRIES, INC. TECHNICAL MANUAL MODEL: 61-340 MODEL: 61-342 Multimeter Service Information The Service Information provides the following information: • Precautions and safety information .
Form Number 2 TM61340-2 Rev November 2007 TABLE OF CONTENTS Page Introduction 1 Precautions and Safety Information 1 Symbols 1 Safety 2 S pecifications 3 General S pecifications 3 Measurement Characte.
Page 1 Introduction W arning T o avoid shock or injury , do not perform the verification test s or calibration procedu res described in the manual unless you are qualified to do so. The information provided in this document is for the use of q ualified personnel only .
Page 2 SAFETY Review the following safety precautions to avoid injury and prevent damag e to this product or any product s connected to it. T o avoid potential hazards, use the product only as specified. For operating instructions, see the 61 -340 / 61-342 Digit al Multimeter Instruction Manual.
Page 3 SPECIFICATIONS All specifications are warranted unles s noted typical and apply to the 61-340 & 61-342 S tated accu racies are at 23°C±5°C at less than 75% relative humidity and without the battery indicator displayed.
Form Number 2 TM61340-2 Rev November 2007 Page 4 Measurement Characteristics Accuracy is ±(% reading + number of digits ) at 23°C ± 5°C, less tha n 75% R.H. (1) DC Volts(for 61-340 / 61-342) Range Resolution Accuracy Over volt age protection 400.0mV 0.
Form Number 2 TM61340-2 Rev November 2007 Page 5 (3b) DC Current (61-340 / 61-342) Range Resolution Accuracy Input Protection 4.000A 0.001A 10.00A* 0.01A ±(1.5% reading + 5 digit s) 10A, 250V Fast Blow Fuse Overload Protection: A Input: 10A, 250V Fast Blow fuse.
Page 6 (5) Resist ance (for 61-340 / 61-342) Range Resolution Accuracy Over volt age protection 400.0 Ω * 1 0.1 Ω ±(1.2% reading + 5 digit s) 4.000K Ω 1 Ω 40.00K Ω 10 Ω 400.0K Ω 100 Ω ±(1.0% reading + 2 digit s) 4.000M Ω 1K Ω ±(1.
Form Number 2 TM61340-2 Rev November 2007 Page 7 (8) Frequency (for 61-340 / 61-34 2) Range Resolution Sensitivity Accuracy Overload protection 10.00Hz 0.01Hz 100.0Hz 0.1Hz 1.000KHz 1Hz 10.00KHz 10Hz 100.0KHz 100Hz 1.000MHz 10KHz 0.7V rms * 4.000MHz 10KHz 3.
Form Number 2 TM61340-2 Rev November 2007 Page 8 (14) REL Press this button the meter enter relative measuring st ate and “ Δ ” symbol appear on LCD. The result of the relative measurement is the dif ference between measuri ng value and reference value.
Form Number 2 TM61340-2 Rev November 2007 Page 9 Physical and Environment al Characteristics Characteristics Description Dimensions (H×W ×D) 180mm(H) ×91mm (W) ×43mm(D) (with holste r) 7.1” (H) x 3.6”(W) x1.7”(D) Weight (with battery& holster) 0.
Form Number 2 TM61340-2 Rev November 2007 Page 10 Required Equipment Required equipment is listed in T able B. If the recommended model s are not available, equipment with equivalent specifications may be used. Repairs or se rvicing should be per formed only by qualified personnel.
Page 1 1 Basic Maintenance W arning T o avoid shock, remove the test leads and any input signals before opening the case or re placing the battery or fuses. Opening the Meter Case Caution T o avoid unintentional shock circuit, alwa ys place the uncovered meter as sembly on a protective surface.
Page 12 Replacing Fuses W arning To avoid electrical shock, remove the test lead s and any input signals b efore replacing the battery or fuses. To prevent damage or inju ry, INSTA LL ONLY quick actin.
Page 13 Performance Tests The following performance test s verify the complete operability of the meter and check the accura cy of each meter function against the meter’s specifications. For operating instructions, see the 61 -340 / 61-342 Digit al Multimeter Instruction Manual.
Page 14 T esting the V olt age Function (for 61-340 / 61-342) To verify accuracy in the AC and DC voltage ran ges, do the following: 1. Turn the rotary switch to “ ” position. 2. Connect the calibrator to the and COM inputs on the meter. 3. Set the calibrator for the voltage from step 1 to 7 in Table 1.
Page 15 Table 2 AC Voltage Test: Step Range Input Frequency Reading 61-340 Reading 61-342 1 400mV 300mV 60 295.6 to304.4 295.6 to304.4 2 400mV 300mV 400 295.6 to304.4 295.6 to304.4 3 4V 3.000V 60Hz 2.965 to 3.035 2.965 to 3.035 4 4V 3.000V 400Hz 2.965 to 3.
Page 16 Table 3b DC mA Test: Step Range Source Reading 1 40mA 30.00mA 29.73 to 30.27 2 400mA 300.0mA 297.3 to 302.7 T esting the DC ampere Function (fo r 61-340 and 61-342) 1. Connect the calibrator to the 10A and COM inputs on the meter . 2. T urn the rotary switch to .
Page 17 T esting the AC milliampere function: (for 61-3 40and 61-342) 1. Connect the calibrator to the and COM inputs on the meter . 2. T urn the rotary switch to . a. Press the SELECT button to select the AC function b. Press the REL button to make the display is zero 3.
Page 18 T esting the Resist ance Function (for 61-340 / 61-342) T o verify the accuracy of the re sistance function, do the following: 1. Connect the calibrator to and COM on the meter . 2. T urn the rotary switch to . a. Press the SELECT button to select the Ω function 3.
Page 19 Table 6 Capacitan ce Test: Step Range Source Reading 1 40nF 10.000nF 9.60 to 10.40 2 40nF 30.00nF 29.00 to 31.00 3 400nF 300.0nF 290.5 to 309.5 4 4µF 3.
Page 20 T esting the Frequency Function (for 61-340 / 61-3 42) T o verify the accuracy of the me ter’s frequency function, do the following: 1. Connect the calibrator to the and COM inputs on the meter . 2. Note: The accuracy of the calibrato r’s frequency function must be appropriate for the specified accuracy of the meter.
Page 21 T esting the T emperature Function (fo r 61-340 / 61-342) T o verify the accuracy of the meter ’ s temperature function, do the following: 1. Connect the calibrator to the and COM input s on the meter . 2. Set the rotary switch to the º F / º C as instructed in Table 8.
Page 22 Calibration Procedure Recalibrate your meter: It is recommended that the multimeter be calibrated on ce each year . 1. Perform calibration at an a mbient temperature of 23°C±2°C and a relative humidity of <70% Disconnect the test leads and turn the m eter off.
Page 23 6. Using a small flat-tipped screwdrive r , adjust VRtr until the display reads 2.995 to 3.005V olts 7. Disconnect the AC calibrator from the meter . (C) TEMP Calibration (Adjust VR3 ) 1. Set the rotary switch to the " º F/ º C " position.
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