Extech Instruments EX540-NIST User Manual page 17

Enclosure
Shock (Drop Test)
Diode Test
Storage capacity
RF transmit distance
Transmitter Frequency
Continuity Check
Peak
Temperature Sensor
Input Impedance
AC Response
ACV Bandwidth
Crest Factor
Display
Overrange indication
Auto Power Off
Polarity
Measurement Rate
Low Battery Indication
Battery
Fuses
Operating Temperature 5ºC to 40ºC (41ºF to 104ºF)
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Weight
Size
Safety
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 0.9mA maximum, open circuit voltage 2.8V DC typical
9999 records
10 meters (approx)
915MHz
Audible signal will sound if the resistance is less than 35 (approx.), test
current <0.35mA
Captures peaks >1ms
Requires Type K thermocouple
>10MΩ VDC & >9MΩ VAC
True rms
50Hz to 1000Hz
≤3 at full scale up to 500V, decreasing linearly to ≤1.5 at 1000V
40,000 count, backlit, liquid crystal with bargraph
"OL" is displayed
15 minutes (approximately) with disable feature
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 (6.3x32mm)
A range; 10A/1000V ceramic fast blow (10x38mm)
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-20 C to 60 C (-4
Max 80% up to 31ºC (87ºF) decreasing linearly to 50% at 40ºC (104ºF)
<80%
2000meters (7000ft) maximum.
342g (0.753lb) (includes holster).
187 x 81 x 50mm (7.36" x 3.2" x 2.0") (includes holster)
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.
Copyright © 2013‐2017 FLIR Systems, Inc.
ISO‐9001 Certified
www.extech.com
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17
nd
Edition
EX540-en-GB_v1.7 1/17