Extech Instruments EX570 User Manual Download Page 17

EX570-ENG   V2.3  3/09 

17 

Enclosure 

Double molded, Waterproof (IP64) 

Diode Test

 

Test current of 0.9mA maximum, open circuit voltage 2.8V DC 

typical 

Continuity Check

 

Audible signal will sound if the resistance is less than 35

Ω

 

(approx.), test current <0.35mA 

PEAK 

Captures peaks >1ms 

Memory 

Store and recall up to 3 values 

Temperature Sensor 

Requires type K thermocouple 

Input Impedance

 >10M

 VDC & >3M

 VAC 

AC Response 

True rms 

ACV Bandwidth 

40Hz to 1000Hz 

IR Spectral response 

6 to 16µm

 

IR Emissivity 

0.95 fixed

 

IR distance ratio 

30:1

 

Laser pointer 

Class 2 laser < 1mW power; Wavelength is 630 to 670nm

 

Crest Factor

 

 

3 at full scale up to 500V, decreasing linearly to 

1.5 at 1000V 

Display 

40,000 count backlit liquid crystal display with bargraph 

Overrange indication

 

OL

” is displayed 

Auto Power Off 

15 minutes (approximately) with disable feature 

Polarity

 

Automatic (no indication 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 1604) battery

 

Fuses

  

mA, µA ranges; 0.5A/1000V ceramic fast blow 
A range; 10A/1000V ceramic fast blow 

Operating Temperature

  41ºF to 104ºF (5ºC to 40ºC) 

Storage Temperature

 -4

o

F to 140

o

F (-20

o

C to 60

o

C) 

Operating Humidity 

Max 80% up to 87ºF (31ºC) decreasing linearly to 50% at 104ºF 
(40ºC) 

Storage Humidity 

<80%  

Operating Altitude 

7000 ft. (2000 meters) maximum 

Weight

  

0.753 lb (342 g) (includes holster) 

Size

  

7.36” x 3.2” x 2.0” (187 x 81 x 50 mm) (includes holster) 

Safety 

This meter is intended for origin of installation use and protected, 
against the users, by double insulation per EN61010-1 and 
IEC61010-1 2

nd

 Edition (2001) to Category IV 600V and Category 

III 1000V; Pollution Degree 2.  

Approvals 

CE 

 

Copyright 

©

 2009 Extech Instruments Corporation. 

All rights reserved including the right of reproduction in whole or in part in any form. 

www.extech.com

 

 

Byram 

Labs

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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