Extech Instruments EX320 Скачать руководство пользователя страница 1 | Manualshive

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User's Guide

Mini Multimeter
with Non-Contact Voltage Detector (NCV)

Model EX320

99 Washington Street
Melrose, MA 02176

Phone

781-665-

1400

Toll Free 1-800-517-8431

Visit us at www.T

estEquipmentDepot.com

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Содержание EX320

Страница 1: ...User s Guide Mini Multimeter with Non Contact Voltage Detector NCV Model EX320 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com ...

Страница 2: ... This symbol indicates that a device is protected throughout by double insulation or reinforced insulation SAFETY INSTRUCTIONS This meter has been designed for safe use but must be operated with caution The rules listed below must be carefully followed for safe operation 1 NEVER apply voltage or current to the meter that exceeds the specified maximum Input Protection Limits Function Maximum Input ...

Страница 3: ...tlets can be difficult and misleading because of the uncertainty of connection to the recessed electrical contacts Other means should be used to ensure that the terminals are not live If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired This device is not a toy and must not reach children s hands It contains hazardous objec...

Страница 4: ... test lead jack 10 Test lead jack for voltage milli amp micro amp resistance 11 RANGE button 12 HOLD button 13 Protective rubber holster must be removed to access the rear battery compartment Display Symbols and Annunciators µ micro 10 6 amps m milli 10 3 volts amps k kilo 103 ohms M mega 106 ohms MAX Highest reading AC Alternating current DC Direct current Continuity Diode test Battery status A A...

Страница 5: ...presence of AC voltage from 100 to 600VAC simply by being held very near to a voltage source WARNING Test the AC voltage detector on a known live circuit before each use WARNING Before using the meter in the AC Voltage Detector mode verify that the battery is fresh by confirming characters appear on the LCD when the function dial is turned to any position Do not attempt to use the meter as an AC V...

Страница 6: ...the VAC position 2 Insert the black test lead banana plug into the negative COM jack Insert red test lead banana plug into the positive V jack 3 Touch the black test probe tip to the neutral side of the circuit 4 Touch the red test probe tip to the hot side of circuit 5 Read the voltage in the display DC VOLTAGE MEASUREMENTS CAUTION Do not measure DC voltages if a motor on the circuit is being swi...

Страница 7: ...o 400mA set the function switch to the mA position and insert the red test lead banana plug into the mA µA jack 4 For current measurements up to 10A set the function switch to the 10A range and insert the red test lead banana plug into the 10A jack 5 Use the MODE button to select AC or DC current The display will reflect the selection 6 Remove power from the circuit under test then open up the cir...

Страница 8: ...onnect one side of the circuit under test so the rest of the circuit will not interfere with the resistance reading 4 Read the resistance in the display CONTINUITY CHECK WARNING To avoid electric shock never measure continuity on circuits or wires that have voltage on them 1 Set the function switch to the position 2 Insert the black lead banana plug into the negative COM jack 3 Insert the red test...

Страница 9: ... is generally the best mode for most measurements For measurement situations requiring that a range be manually selected perform the following 1 Press the RANGE key The AUTO display indicator will turn off 2 Press RANGE to step through the available ranges until the desired range is selected 3 To exit the Manual Ranging mode and return to Auto Range press and hold the RANGE key for 2 seconds MAX M...

Страница 10: ... If it gets wet dry it immediately 2 USE AND STORE THE METER IN NORMAL TEMPERATURES Temperature extremes can shorten the life of the electronic parts and distort or melt plastic parts 3 HANDLE THE METER GENTLY AND CAREFULLY Dropping it can damage the electronic parts or the case 4 KEEP THE METER CLEAN Wipe the case occasionally with a damp cloth DO NOT use chemicals cleaning solvents or detergents...

Страница 11: ... up the fuse battery compartment cover to access the batteries 5 Gently remove the batteries and install two new 1 5V AAA batteries observing polarity 6 Secure the fuse battery compartment cover 7 Place the protective rubber holster on the meter You as the end user are legally bound Battery ordinance to return all used batteries and accumulators disposal in the household garbage is prohibited You ...

Страница 12: ...r 2 Remove the protective rubber holster as shown in the diagram 3 Remove the Phillips head screw located on the lower back of the instrument 4 Flip up the fuse battery compartment cover to access the fuses 5 Gently remove the fuse s and install new fuse s into the holder s 6 Always use fuses of the proper size and value 500mA 250V fast blow for the mA µA ranges 10A 250V fast blow for the A range ...

Страница 13: ...5 reading 3 digits 20V 0 01V 200V 0 1V 600V 1V 2 0 reading 4 digits DC Current A DC 200 A 0 1 A 1 0 reading 3 digits 2000 A 1 A 1 5 reading 3 digits 20mA 0 01mA 200mA 0 1mA 10A 0 01A 2 5 reading 5 digits AC Current AAC 50 60Hz 200 A 0 1 A 1 5 reading 5 digits 2000 A 1 A 1 8 reading 5 digits 20mA 0 01mA 200mA 0 1mA 10A 0 01A 3 0 reading 7 digits Resistance 200 0 1 1 2 reading 4 digits 2k 1 1 2 read...

Страница 14: ...61010 1 and IEC61010 1 2nd Edition 2001 to CAT II 1000V CAT III 600V Pollution Degree 2 The meter also meets UL 61010 1 Second Edition 2004 CAN CSA C22 2 No 61010 1 Second Edition 2004 and UL 61010B 2 031 First Edition 2003 PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY OVERVOLTAGE CATEGORY I Equipment of OVERVOLTAGE CATEGORY I is equipment for connection to circuits in which measures are taken to ...

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