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IDEAL INDUSTRIES 61-340 - page 1
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 • Specifications • Basic maint enance (cleaning, r eplacing the battery and fuses) • Perf ormance test procedures • Calibration and calibration ...
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IDEAL INDUSTRIES 61-340 - page 2
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 Characteristics 4 V olt age S pecifications 4 Current S pecification s 4/5 Resist ance, Diode, Continuity , Capacit ance S pecifications 6 Frequency , T emper ...
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IDEAL INDUSTRIES 61-340 - page 3
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 . Caution The 61-340 serials cont ain p arts that can be damaged by st atic discha ...
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IDEAL INDUSTRIES 61-340 - page 4
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. CAUTION: These statem ents identify conditions or pra ...
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IDEAL INDUSTRIES 61-340 - page 5
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. General specifications Characteristics Description Display count 3 3/4 digit liquid crystal di splay , max count 4000 ...
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IDEAL INDUSTRIES 61-340 - page 6
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 0.1mV ±(0.8% reading + 3 digit s) 4.000V 1mV 40.00V 10mV 400.0V 100mV ±(0.8% reading + 1 digit ...
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IDEAL INDUSTRIES 61-340 - page 7
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. (61-340 / 61-342 ) *Caution : Do not mak e high current measurements on the 10A scale ...
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IDEAL INDUSTRIES 61-340 - page 8
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 ±(1.2% reading + 2 digit s) 40.00M Ω * 2 10K Ω ±(2.0% readi ng + 5 digits) 600V rms Open circuit ...
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IDEAL INDUSTRIES 61-340 - page 9
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 3.0V rms Frequency: (± 0.1% + 3 digit) 600V rms (9) Temperature: Ty pe K thermocouple (for 61 ...
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IDEAL INDUSTRIES 61-340 - page 10
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. The reference value is produced same as moment ary reading value when pressing this button, ...
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IDEAL INDUSTRIES 61-340 - page 11
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) 0.379Kg (13.4 oz.) Environment al characteristics Description T emperature operating 0 to +4 ...
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IDEAL INDUSTRIES 61-340 - page 12
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. T able B. Required Equipment Equipment Required Characteristics Rec ...
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IDEAL INDUSTRIES 61-340 - page 13
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. When the case of the meter is open, circuit connection ...
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IDEAL INDUSTRIES 61-340 - page 14
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 acting fuses with the followin g Volt/Amp current interrupt rating: F340: 500mA, 250V Fast Blow Fuse F342: 10A, 250V Fast Blow Fuse Fuse Replacement The 61 ...
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IDEAL INDUSTRIES 61-340 - page 15
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. Accuracy specificatio ns are valid for a period of one year after ca ...
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IDEAL INDUSTRIES 61-340 - page 16
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. 4. Compare the reading on the meter displ ...
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IDEAL INDUSTRIES 61-340 - page 17
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 3.035 2.965 to 3.035 5 40V 30.00V 60Hz 29.65 to 30.35 29.65 to 30.35 6 40V 30.00V 400Hz 29.65 t ...
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IDEAL INDUSTRIES 61-340 - page 18
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 . a. Press the SELECT button to select the DC func tion 3. Apply the inputs for ...
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IDEAL INDUSTRIES 61-340 - page 19
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. Apply the inputs for step s 1-4 in T able 4b. 4. For each input, compare the ...
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IDEAL INDUSTRIES 61-340 - page 20
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. Apply the inputs for step 1-7 in T able 5. 4. Compare the meter di splay r ...
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IDEAL INDUSTRIES 61-340 - page 21
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 3.000µF 2.905 to 3.095 5 40.00µF 30.00µF 29.05 to 30.95 6 100.0µF 100.0µF 79.5 to 120.5 7 1000µF 1000µF 795 to 1205 Checking the Diode T est Functi on (for 61-340 / 61-342) T o check t ...
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IDEAL INDUSTRIES 61-340 - page 22
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. 3. Set the rotary s ...
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IDEAL INDUSTRIES 61-340 - page 23
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. 3. Set the calibrators temperature output to t he source values in ...
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IDEAL INDUSTRIES 61-340 - page 24
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. Remove the test leads from the front terminals. 2. Position the meter face ...
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IDEAL INDUSTRIES 61-340 - page 25
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. 2. Set the output of the calibrator to 300 ºC 3. Connect the calibrator temperature outp ...
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