Extech Instruments 42545 User Manual

Model 42545 Version 1.1 12/ 04
6
Battery Replacement
When the low battery symbol appears on the LCD, replace the meter’s 9V battery.
The battery compartment is located behind the panel that surrounds the meter’s trigger.
The panel can be pulled open by the two indentations near the trigger and folded down as
shown in the diagram.

Extech Instruments 42545 Specifications

Infrared Thermometer Specifications

range	-58 to 1832°F (-50 to 1000°C)
resolution	0.1°C/F
accuracy	± (2% of reading + 9°F/4°C) <30°F (-1°C)
emissivity	Adjustable from 0.1 to 1.00 (0.95 default value)
field of view	D/S = Approx. 50:1 ratio
laser power	Less than 1mW (Class II)
spectral response	8 to 14 μm (wavelength)

General Specifications

display	4½ digit backlit LCD display with function indicators
display rate	1 second approx.
operating temperature	32°F to 122°F (0°C to 50°C)
operating humidity	Max. 90% RH
power supply	9V battery
automatic power off	Approx. 7 seconds after the trigger is released
weight	10.2 oz. / 290g
dimensions	3.9 x 2.2 x 9.0” (100 x 56 x 230mm)