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Continuity Check:
Continuity Threshold:

Approx. 50

Ω

Continuity Indicator:

2KHz Tone Buzzer

Input Protection:

600V rms

Diode Test:
Test Current:

1.1 mA (Typical)

Open Circuit Voltage:

3.3V DC (max)

Input Protection:

600V rms

Capacitance for Model 61-481-and 61-482

Range Resolution

Accuracy

Over Voltage

Protection

4nF 1pF

(3% + 10 digits)

40nF 10pF

400nF 100pF

4µF 1nF

(2% + 8digit)

600V rms

40µF 10nF

400µF 100nF

*4mF 1µF

*40mF 10µF

(5% +20 digit)

* 4mF and 40mF ranges may have rolling within accuracy
** Specify reading < half full scale of range

Frequency/RPM for Model 61-480

Range Resolution

Sensitivity

Accuracy

Over Voltage

Protection

3.0KHz/30KRPM 1Hz/10RPM

Frequency:

30KHz/300KRPM 10Hz/300RPM 100mV .01% ± 10 digits

300KHz/MRPM 100Hz/3KRPM

600V rms

3MHz/30MRPM 1KHz/30KRPM 250mV

rms

RPM:

30MHz/300MRPM 10KHz/300KRPM 1V

rms

.01% ± 10 digits

Overload Protection:

600V rms

Less than 20Hz the sensitivity is 1.5V

Frequency/RPM for Model 61-481 and 61-482

Range Resolution

Sensitivity

Accuracy

Over Voltage

Protection

4.0KHz/40KRPM 1Hz/10RPM

Frequency:

40KHz/400KRPM 10Hz/300RPM 100mV .01% ± 1 digits

400KHz/4MRPM 100Hz/3KRPM

600V rms

4MHz/40MRPM 1KHz/30KRPM 250mV

rms

RPM:

40MHz/400MRPM 10KHz/300KRPM 1V

rms

.01% ± 10 digits

Overload Protection:

600V rms

Form number TM61480-1-2

Rev 5 July 2002

Содержание 61-480

Страница 1: ...ides 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 TM61480 1 2 Revision 5 Date July 2002 Form number TM61480 1 2 Rev 5 July 2002 ...

Страница 2: ... Specifications All Models 8 Volt Amp Frequency 61 481 only 9 Temperature Specifications 61 482 only 9 Characteristics 9 Certifications and Compliances 10 Required Equipment 11 Basic Maintenance 12 Replacing the Battery 13 Replacing Fuses 13 14 Cleaning 14 Performance Tests 14 Testing the Display 14 Testing the Voltage Function 15 16 Testing the Amps Function 16 17 Testing the Resistance Function ...

Страница 3: ...s com Precautions and Safety Information Use the meter only as described in the Users Manual If you do not do so the protection provided by the meter may be impaired Read the Safety Information page before servicing this product In this manual a Warning identifies conditions and actions that pose hazard s to the user a Caution identifies conditions and actions that may damage the meter or the test...

Страница 4: ... injury or loss of life Specific precautions Do not operate without covers To avoid personal injury do not apply any voltage or current to the product without the covers in place Electric overload Never apply a voltage to a connector on the product that is outside the range specified for that connector Avoid electric shock To avoid injury or loss of life do not connect or disconnect probes or test...

Страница 5: ...ayed Low voltage indicator is indicated Automatic power off time Automatic backlit off 1minutes Power source 2 AAA dry cell battery Maximum input voltage 1000V 750V AC CAT II Between V and COM Maximum floating voltage 1000V 750V AC CAT II between any terminal and earth ground Maximum input current 400mA between mA and COM 10A continuous between A and COM Maximum open circuit Voltage current inputs...

Страница 6: ...nge display OL is displayed Low voltage indicator is indicated Automatic power off time Automatic backlit off 1minutes Power source One 9V dry cell Battery Maximum input voltage 1000V 750V AC CAT II Between V and COM Maximum floating voltage 1000V 750V AC CAT II between any terminal and earth ground Maximum input current 400mA between mA and COM 10A continuous between A and COM Maximum open circui...

Страница 7: ...4V 1mV 0 4 1 digit 40V 10mV 1000 V rms 400V 100mV 0 25 1 digit 1000V 1V Input Impedance 10MΩ over 1000MΩ in 400mV range AC Volts Model 61 480 Range Resolution Accuracy Over Voltage Protection 3V 1mV 30V 10mV 300V 100mV 750V 1V 1 3 5 digits 1 1000 V rms 1 Frequency Response 40 Hz to 1 kHz AC conversion Type Average Sensing rms calibrated to a sine wave Input Impedance 10Ω less than 100pF AC Volt Tr...

Страница 8: ...it 2V max Overload Protection 1A 500V fast blow fuse for mA input 16A 500V fast blow fuse for A input AC Current Model 61 480 only Range Resolution Accuracy Burden Voltage 30 mA 10µA 200mV max 300mA 1mA 2 0 5 digits 2V max 10A 10mA 2 5 5 digits 2V max AC Current True RMS Models 61 481 and 61 482 Range Resolution Accuracy Burden Voltage 40 mA 10µA 200mV max 400mA 1mA 2 0 5 digits 2V max 10A 10mA 2 ...

Страница 9: ...igits Resistance Ohms for Model 61 480 Range Resolution Accuracy Over Voltage Protection 300 Ω 1 Ω 1 0 4 digits 3K Ω 1 Ω 30K Ω 10 Ω 0 4 3 digit 600V rms 300K Ω 1K Ω 3M Ω 1K Ω 0 6 3 digit 30M Ω 10K Ω 1 5 5 digit Open Circuit Voltage 1 5V approx Resistance Ohms for Model 61 481 and 61 482 Range Resolution Accuracy Over Voltage Protection 400 Ω 1 Ω 0 7 3 digits 4K Ω 1 Ω 40K Ω 10 Ω 0 4 3 digit 600V rm...

Страница 10: ...quency RPM for Model 61 480 Range Resolution Sensitivity Accuracy Over Voltage Protection 3 0KHz 30KRPM 1Hz 10RPM Frequency 30KHz 300KRPM 10Hz 300RPM 100mV 01 10 digits 300KHz MRPM 100Hz 3KRPM 600V rms 3MHz 30MRPM 1KHz 30KRPM 250mV rms RPM 30MHz 300MRPM 10KHz 300KRPM 1V rms 01 10 digits Overload Protection 600V rms Less than 20Hz the sensitivity is 1 5V Frequency RPM for Model 61 481 and 61 482 Ra...

Страница 11: ...ection 4 ºF 32 ºF 2 8 ºF 33 F 212 F 1 3 F 600V rms 213 ºF 932 ºF 2 6 ºF 933 º F 1472 ºF 3 4 ºF Physical Characteristics Characteristics Description Dimensions H x W x D 183mm x 85mm x 33mm 202mm x 95mm x 46mm with holster Weight with battery 0 4Kg With holster 0 6Kg Environmental Characteristics Description Temperature operating 0 to 50 C Non Operating 20 to 60 C Humidity operating 80 R H Altitude...

Страница 12: ...Degree 2 Do not operate in environments where conductive Pollutants may be present EC Declaration of Conformity Meets the intent of Directive 89 336 EEC for Electromagnetic Compatibility and Low Voltage Directive 73 23 EEC for Product Safety Compliance was demonstrated to the following specifications as listed in the official Journal of the European Communities En 55011 Class A Radiated and Conduc...

Страница 13: ...Voltage Range 0 750V ac Accuracy 0 07 Basic Frequency Range 40 100KHz Accuracy 2 DC Voltage Range 0 1000V dc Accuracy 0 006 Basic Current Range 0 10A Accuracy AC 40Hz to 1KHz 0 08 Basic DC 0 02 Basic Frequency Source 5 00Hz 1 0000MHz Accuracy 0 001 Amplitude 0 5V p p 1 0V p p square wave Accuracy 5 range 1 2G Accuracy 0 03 Basic Capacitance Range 1pF 40mF Accuracy 0 10 Basic Temperature Range 200 ...

Страница 14: ...efer to Figure 2 and do the following 1 Disconnect test leads from any live source turn the rotary switch to OFF and remove the test leads from the front terminals 2 Remove the screw from the battery cover and lift to remove 3 The case bottom is secured to the case top by four screws and internal snaps at the LCD end Using a Phillips head screwdriver remove the four screws 4 Hold the meter display...

Страница 15: ...prying one end loose and sliding out of the fuse holder You may use the meter or a separate meter to measure across the fuse The display should indicate between 0 0 to 0 4Ω If display reads higher than 0 4Ω replace the fuse FS2 1A 500V Note Lead resistance is not factored into this measurement Make sure you are using good quality test leads Fuse Replacement Warning To avoid electrical shock remove...

Страница 16: ...g the bottom case and battery cover Cleaning Warning To avoid electrical shock or damage to the meter never allow water inside the case To avoid damaging the meter s housing never apply solvents to the meter Performance Test Testing the Display Turn the meter on while holding down the HOLD key for 2 sec to activate the Display Test Mode on the meter To De activate the Display Test Mode turn meter ...

Страница 17: ...play reading falls outside of the range shown in the tables the meter does not meet specification DC Voltage Test Model 61 480 Range Source Reading 300mV 290mV 289 2 to 290 8 300mV 290mV 289 2 to 290 8 3V 2 900V 2 888 to 2 912 30V 29 00V 28 92 to 29 08 300V 290 0V 289 2 to 290 8 1000V 900V 897 to 903 DC Voltage Test Model 61 481 and 61 482 Range Source Reading 400mV 390mV 388 6 to 391 4 400mV 390m...

Страница 18: ... 480 Range Source Reading 30mA 20 00mA 19 68 to 20 32 300mA 200 0mA 196 8 to 203 2 1A 90A 86 to 94 10A 9 0A 8 79 to 9 21 DC Current Test Model 61 481 and 61 482 Range Source Reading 40mA 37 00mA 36 76 to 37 24 400mA 370 0mA 367 3 to 372 7 1A 90A 0 88 to 92 10A 9 0A 8 88 to 9 12 Press the Blue button to enter AC Current function AC Current Test Model 61 480 Range Source Frequency Reading 30mA 20 00...

Страница 19: ...3MΩ 1 800MΩ 1 779 to 1 821 30MΩ 29 00MΩ 28 37 to 29 63 Lead resistance on the 300 Ω range is not included in error Resistance Test Model 61 481 and 61 482 Range Source Reading 400Ω 360Ω 357 2 to 362 8 4KΩ 3 600KΩ 3 583 to 3 617 40KΩ 36 00KΩ 35 83 to 36 17 400KΩ 360 0KΩ 358 3 to 361 7 4MΩ 3 600MΩ 3 57 to 3 62 40MΩ 39 00MΩ 38 37 to 39 63 Lead resistance on the 400 Ω range is not included in error Pr...

Страница 20: ... 500 0 Hz 1 count Note Sensitivity of the HZ mode is 1 100 of full scale The measurement frequency is from 40 Hz to 1 kHz Testing the Capacitance Function Model 61 481 and 61 482 The meter measures capacitance by charging the capacitor with a known direct current measuring the resultant voltage and calculating the capacitance If the same capacitance is measured on an impedance bridge a different r...

Страница 21: ...r from the multimeter B AC Calibration Adjust VR2 61 480 1 Set multimeter to AC V function The Blue key toggles between AC and DC function 2 Set the output of AC calibrator for 19V 0 02 500Hz and connect to V and COM terminal on multimeter 3 Using a small flat tipped screwdriver adjust the potentiometer VR2 until the display reads 19 00 1 digit 4 Disconnect the AC calibrator from the multimeter 5 ...

Страница 22: ...d connect to the meter 3 Using a small flat tipped screwdriver adjust the potentiometer VR3 until the display reads 00 0 or 00 0 D F Calibration Adjust VR4 and VR5 Model 61 482 only 1 Set the circuit rotary switch to the F position 2 Set the output of the thermocouple calibrator for 0 F K Type and connect to the meter 3 Using a small flat tipped screwdriver adjust potentiometer VR5 until the displ...

Страница 23: ...Form number TM61480 1 2 Rev 5 July 2002 Page 21 ...

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