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Fieldpiece HB74 Heavy Duty, Руководство оператора

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Model ACMK3
CARBON MONOXIDE
HEAD AND PUMP

Measures carbon monoxide

content of air in parts per mil-
lion (PPM). Measures from 0 to
2000PPM. Fast reacting. Use
the pump to extract samples
from specific test sites.

Model AMD1 MICROWAVE
OVEN DIODE TESTER

It takes more voltage than a DMM can

supply to test the forward direction of a
high voltage diode. This accessory applies
up to 9V and can easily identify a cata-
strophically failed high voltage diode. Leads
fit most microwave oven diodes.

Model ANC3
NINE POCKET
CORDURA
INTRUMENT/TOOL
BRIEFCASE

Four clear front interior

pockets for up to two instru-
ments and four accessory
heads. Two flat clear front in-
terior pockets for test leads
etc. One back zippered pocket
for paperwork. All pockets
accessible from top.

Содержание HB74 Heavy Duty

Страница 1: ...OPERATOR S MANUAL Model HB74 HEAVY DUTY DIGITAL MULTIMETER ...

Страница 2: ...2 DISPLAYANDCONTROLS 1 2 3 4 5 6 2 1 3 10 9 7 8 10 10 10 3 3 3 ...

Страница 3: ...inuity beeper or diode test 7 Most accessories use 200mV range For readings over 200 use the 2000mV range Use 200mV or 2000mV range for the AC current clamp accessory 8 For volts ohms or measurements using any accessory use this jack and COM 9 Always plug one test lead in this jack 10 For testing current going THROUGH the meter i e NOT using an amp clamp accessory use one of these jacks and COM an...

Страница 4: ...4 MULTIMETER SETUP FREQUENCY Hz VOLTS RESISTANCE Ohms PHASE ROTATION For DC volts select DC not AC as shown above ...

Страница 5: ...r best resolution on any function choose range just above value you expect If display reads overload OL select a higher range AMPS 200mA CAPACITANCE µ µ µ µ µFarads Discharge first ForDCampsthroughthemeter selectDC notACasshownabove ...

Страница 6: ...k seriesmetertoaone piece dual input temperature meter Calibration pots on faceplate for in field ice bucket calibra tion to 1 degree accuracy Includes two K type thermocouples Models ARH3 and ARH4 RELATIVE HUMIDITY HEAD WITH TEMPERATURE Displays relative humidity directly 10 RH to 95 RH There s a chart on the back that converts relative humidity and ambient temperature to wet bulb Model ADA2 ALLI...

Страница 7: ... a DMM can supply to test the forward direction of a high voltage diode This accessory applies up to 9V and can easily identify a cata strophicallyfailedhighvoltagediode Leads fit most microwave oven diodes Model ANC3 NINE POCKET CORDURA INTRUMENT TOOL BRIEFCASE Four clear front interior pockets for up to two instru ments and four accessory heads Two flat clear front in terior pockets for test lea...

Страница 8: ...mats or any approved insulating material Turn off power to circuit under test before cutting unsoldering or breaking the circuit Small amounts of current can be dangerous All Voltage Measurements To avoid electrical shock hazard and or damage to the meter do not apply more than 1200VDC or 850VAC between earth ground and any input terminal Use caution when measuring high voltage AC Measurements Mea...

Страница 9: ...s below the operating level Overload protection Volts withstands 600VAC 600VDC rms 500VDC 350VDC 15 seconds in 200mV ranges MOVS have been installed for transient protection up to 6KV 10msec Ohms diode continuity frequency 500V AC DC Phase rotation 500VAC Amps capacitance fast blow 0 5A 500V 6 35X32mm fuse RFM74 on mA jack high energy 20A 600V 1 5X 375 fuse RFL701 on 20A jack Operating environment...

Страница 10: ...on 0 1mV on 200mV range Accuracy 1 2 2 50Hz to 500Hz 2 0 5 500Hz to 1KHz 2 0 5 50Hz to 500Hz on 850VAC range Input impedance 10MΩ Conversion type Average measuring rms indicating sine wave Resistance Ranges 200Ω 2KΩ 20KΩ 200KΩ 20MΩ Resolution 0 1Ω on 200Ω range Accuracy 1 1 on 200Ω to 200KΩ ranges 3 4 on 20MΩ range Open circuit voltage 0 3V 3V on 200Ω range Test current 2mA Capacitance Range 20µF ...

Страница 11: ...he display If the connection is incorrect the REV is displayed LCD will indicate which input jacks are connected All three must be connected for valid indication Frequency Ranges 200Hz 2kHz 10Hz to 2kHz Resolution 0 1Hz Accuracy 0 5 rdg 3dgts on all ranges Sensitivity 2V RMS min Duty cycle limits at 30 and 70 Minimum pulse width 150µsec Overload protection 500VDC or AC rms Diode test Range 2KΩ Acc...

Страница 12: ...al 7 Replace the case top Reinstall screws Battery Replacement When the multimeter displays the the battery must be replaced to maintain proper operation Power is supplied by a 9 volt transistor battery NEDA 1604 IEC 6F22 WARNING TO PREVENT ELECTRICAL SHOCK HAZARD TURN OFF THE MULTIMETER AND DISCONNECT TEST LEADS BEFORE RE MOVING THE BACK COVER Fuse Replacement If no current and capacitance measur...

Страница 13: ...t the pot located below the MAX HOLD button VR2 position the only adjust able pot on the board to obtain a reading of 190 0 in the digital display 5 Disconnect the DC calibrator from the multimeter and replace the back cover Cleaning The instrument can be cleaned with a soft clean cloth to remove any oil grease or grime from the exterior of the meter Never use liquid solvents or detergents If the ...

Страница 14: ...vaoltage CAT III of the IEC1010 1 EN61010 1 standard Pollution degree 2 in accordance with IEC 664 indoor use If the equipment is used in a manner not specified the protection provided by the equipment may be impaired The symbols used on this instrument are Caution risk of electric shock Caution refer to accompanying documents Equipment protected throughout by Double insulation Class II Alternatin...

Страница 15: ...ks or cracks and ensure that the test leads are inserted fully into the input connectors If the preceding four steps fail to resolve the problem please refer to the Obtaining Service section pg 16 CE This instrument complies with the requirements of the following EuropeanCommunityDirectives 89 336 EEC ElectromagneticCompat ibility and 73 23 EEC Low Voltage as amended by 93 68 EEC CE Marking Howeve...

Страница 16: ...OSE ARE LIMITED TO THEABOVE THEMANUFACTURERSHALLNOTBELIABLEFOR LOSS OF USE OF THE INSTRUMENT OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES EXPENSES OR ECONOMIC LOSS OR FOR ANY CLAIM OR CLAIMS FOR SUCH DAMAGE EX PENSES OR ECONOMIC LOSS State laws vary so the above limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which var...

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