Extech Instruments 42545 User Manual

User’s Manual
High Temperature InfraRed Thermometer
with Laser Pointer
MODEL 42545
Introduction
Congratulations on your purchase of the Model 42545 IR Thermometer. The 42545 is
capable of non-contact (infrared) temperature measurements at the touch of a button. The
built-in laser pointer increases target accuracy while the backlit LCD and handy push-
buttons combine for convenient, ergonomic operation. Proper use and care of this meter
will provide years of reliable service.
42545

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)