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User’s Manual
High Temperature InfraRed Thermometer
with Laser Pointer
MODEL 42540
Introduction
Congratulations on your purchase of the Model 42540 IR Thermometer. The 42540 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.