User manual
EX623-EU V2.3 04/10
15
General Specifications
Clamp jaw opening 1.25" (32mm) approx.
Display Dual 40,000/4,000 count backlit LCD
Non-Contact Voltage 100 to 600VAC
Continuity check Threshold 50Ω; 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
IR Emissivity 0.95 fixed
IR distance ratio 8:1
Laser pointer Class 2 laser < 1mW power; Wavelength is 630 to 670nm
Input Impedance 10MΩ (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 5°C to 40°C (41°F to 104°F)
Storage Temperature -20°C to 60°C (-4°F to 140°F)
Operating Humidity Max 80% up to 31°C (87°F) decreasing linearly to 50% at
40°C (104°F)
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.