Extech Instruments EX570 User Manual Download | Manualshive

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User's Guide

True RMS Multimeter with
IR Thermometer

Extech EX570

Byram

Labs

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Summary of Contents for EX570

Page 1: ...User s Guide True RMS Multimeter with IR Thermometer Extech EX570 B y r a m L a b s...

Page 2: ...minals identifies them as being associated with ranges that may in normal use be subjected to particularly hazardous voltages For maximum safety the meter and its test leads should not be handled when...

Page 3: ...e 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...

Page 4: ...UTION when working with high voltages 3 DO NOT measure voltage if the voltage on the COM input jack exceeds 600V above earth ground 4 NEVER connect the meter leads across a voltage source while the fu...

Page 5: ...t stand and battery compartment are on rear of unit Symbols and Enunciators Continuity Diode test Low Battery MEM Memory n nano 10 9 capacitance micro 10 6 amps cap m milli 10 3 volts amps A Amps k ki...

Page 6: ...lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive V jack 4 Touch the black test probe tip to the negative side of the circuit Touch the red test probe...

Page 7: ...circuit under test then open up the circuit at the point where you wish to measure current 7 Touch the black test probe tip to the negative side of the circuit Touch the red test probe tip to the pos...

Page 8: ...ck 5 If the resistance is less than approximately 35 the audible signal will sound If the circuit is open the display will indicate OL DIODE TEST 1 Rotate the function switch to the green position 2 I...

Page 9: ...sers do not normally present a hazard but may present some potential for hazard if viewed directly for extended periods of time IR Spot to Distance Diagram The 30 1 spot to distance ratio determines t...

Page 10: ...to 482 F CAPACITANCE MEASUREMENTS WARNING To avoid electric shock disconnect power to the unit under test and discharge all capacitors before taking any capacitance measurements Remove the batteries...

Page 11: ...utoRanging This automatically selects the best range for the measurements being made and is generally the best mode for most measurements For measurement situations requiring that a range be manually...

Page 12: ...current The meter can capture negative or positive peaks as fast as 1 millisecond in duration Press the PEAK button PMAX will appear in the display The meter will update the display each time a highe...

Page 13: ...e chemicals cleaning solvents or detergents 5 USE ONLY FRESH BATTERIES OF THE RECOMMENDED SIZE AND TYPE Remove old or weak batteries so they do not leak and damage the unit 6 IF THE METER IS TO BE STO...

Page 14: ...ix A screws securing the rear cover 4 Gently remove the old fuse and install the new fuse into the holder 5 Always use a fuse of the proper size and value 0 5A 1000V fast blow for the 600 mA range SIB...

Page 15: ...fied from 5 of range to 100 of range DC Current 400 A 0 01 A 0 7 reading 3 digits 4000 A 0 1 A 40 mA 0 001 mA 400 mA 0 01 mA 1 0 reading 3 digits 10 A 0 00 A 1 5 reading 3 digits 20 A 30 sec max with...

Page 16: ...Frequency 40 Hz 0 001 Hz 0 1 reading 1 digits 400 Hz 0 01 Hz 4 kHz 0 0001 kHz 40 kHz 0 001 kHz 400 kHz 0 01 kHz 4 MHz 0 0001 MHz 40 MHz 0 001 MHz Duty Cycle 0 1 to 99 90 0 01 1 0 reading 2 digits Pul...

Page 17: ...ndication for positive Minus sign for negative Measurement Rate 2 times per second nominal Low Battery Indication is displayed if battery voltage drops below operating voltage Battery One 9 volt NEDA...

Page 18: ...ation improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for a...

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