EX623 V2.2 07/08
15
Support line (781) 890-7440
Technical support: Extension 200; E-mail: [email protected]
Repair & Returns: Extension 210; E-mail: [email protected]
Product specifications subject to change without notice
For the latest version of this User’s Guide, Software updates, and other
up-to-the-minute product information, visit our website: www.extech.com
General Specifications
Clamp jaw opening
1.25" (32mm) approx.
Display
Dual 40,000/4,000 count backlit LCD
Continuity check
Threshold 50
Ω
; Test current < 0.5mA
Diode test
Test current of 0.3mA typical;
Open circuit voltage
[
2.8VDC typical
Low Battery indication
Battery symbol is displayed
Over-range indication
‘OL’
display
Measurement rate
2 readings per second, nominal
Peak detector
>1ms
Thermocouple sensor
Type K thermocouple required
Fuse
500mA, ceramic fast blow
IR Spectral response
6 to 16µm (models EX622 and EX623)
IR Emissivity
0.95 fixed (models EX622 and EX623)
IR distance ratio
8:1 (models EX622 and EX623)
Laser pointer
Class 2 laser < 1mW power; Wavelength is 630 to 670nm
Input Impedance
10M
Ω
(VDC and VAC)
AC bandwidth
50 to 400Hz (AAC and VAC)
AC response
True rms (AAC and VAC)
Crest Factor
3.0 in 40A and 400A ranges, 1.4 in 1000A range (50/60Hz
and 5% to 100% of range)
Operating Temperature
41
°
F to 104
°
F (5
°
C to 40
°
C)
Storage Temperature
-4
°
F to 140
°
F (-20
°
C to 60
°
C)
Operating Humidity
Max 80% up to 87
°
F (31
°
C) decreasing linearly to 50% at
104
°
F(40
°
C)
Storage Humidity
<80%
Operating Altitude
7000ft. (2000meters) maximum.
Battery
One (1) 9V Battery (NEDA 1604)
Auto power OFF
After approx. 30 minutes, with disable
Dimensions & Weight
9.5x3.8x1.75” (241x96x44.5mm); 13.6 oz. (386g)
Safety
For indoor use and in accordance with the requirements for
double insulation to IEC1010-1 (2001): EN61010-1 (2001)
Overvoltage Category III 600V and Category II 1000V,
Pollution Degree 2
Approvals
CE,
Patent notice
U.S. Patent 7163336
Copyright
©
2008 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form.
