Extech Instruments EX503 User Manual page 14

 (+ digits) – This is the accuracy of the analog to digital converter.
Enclosure
Shock (Drop Test)
Diode Test
Continuity Check
Input Impedance
AC Response
ACV Bandwidth
Crest Factor
Display
Overrange indication
Auto Power Off
Polarity
Measurement Rate
Low Battery Indication
Battery
Fuses
Operating Temperature 5C to 40C (41F to 104F)
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Weight
Size
Safety
Approvals
UL Listed
All rights reserved including the right of reproduction in whole or in part in any form
Double molded, waterproof (IP67)
2 meters (6.5 feet)
Test current of 0.3mA typical, open circuit voltage 1.5V DC typical
Audible signal will sound if the resistance is less than 100 (approx.), test
current <0.3mA
7.8MΩ
Average responding
50Hz to 400Hz
≤3 at full scale up to 500V, decreasing linearly to ≤1.5 at 1000V
4,000 count backlit liquid crystal
"OL" is displayed
30 minutes (approximately)
Automatic (no indication for positive); Minus (-) sign for negative
2 times per second, nominal
" " is displayed if battery voltage drops below operating voltage
One 9 volt (NEDA 1604) battery
mA, µA ranges; 0.5A/1000V ceramic fast blow
A range; 10A/1000V ceramic fast blow
-20C to 60C (-4F to 140F)
Max 80% up to 31C (87F) decreasing linearly to 50% at 40C (104F)
<80%
2000meters (7000ft) maximum
342g (0.753lb) (includes holster).
182 x 82 x 55mm (7.2" x 3.2" x 2.2")
This meter is intended for origin of installation use and protected, against
the users, by double insulation per EN61010-1 and IEC61010-1 2
(2001) to Category IV 600V and Category III 1000V; Pollution Degree 2.
The meter also meets UL 61010-1, 2
nd
61010-1 2 Edition (2004), and UL 61010B-2-031, 1
UL CE
The UL mark does not indicate that this product has been evaluated for the
accuracy of its readings.
Copyright © 2013‐2015 FLIR Systems, Inc.
ISO‐9001 Certified
www.extech.com
nd
Edition (2004), CAN/CSA C22.2 No.
14
nd
Edition
st
Edition (2003)
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