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EXTECH Infrared Thermometer with Laser Pointer Model IR400 User's Guide and Manual

Summary

Measure surface temperatures instantly and non-contact with the Model IR400 Infrared Thermometer. Featuring a visible laser pointer for enhanced accuracy and a backlit LCD display, this reliable tool delivers fast, precise readings while also tracking maximum and minimum temperature ranges. This manual provides full guidance on operation, including safety procedures, field of view considerations, and advanced features like emissivity adjustments. It is perfect for professionals—such as maintenance technicians, HVAC specialists, or quality control inspectors—who require dependable temperature diagnostics in industrial settings.

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User Manual

Infra Red Thermometer with Laser Pointer

MODEL IR400

Page Summary Contents For EXTECH Infrared Thermometer with Laser Pointer Model IR400 User's Guide and Manual

Page 1 User Manual Infra Red Thermometer with Laser Pointer MODEL IR400
Page 2 Introduction Congratulations on your purchase of the Model IR400 IR Thermometer. The IR400 is capable of non-contact (infrared) temperature measurements at the touch of a button. The built-in laser po...
Page 3 Meter Description Meter Description 1. Laser pointer beam 2. IR Sensor 3. Measurement Trigger 4. Battery Compartment 5. LCD Display 6. Push-buttons 7. Handle Grip Display Description 1. Temperature sc...
Page 4 Operating Instructions Basic IR Measurements 1. Hold the meter by its handle and point it toward the surface to be measured. 2. Pull and hold the trigger to turn the meter on and begin testing. The te...
Page 5 Battery Replacement When the battery symbol appears in the display, replace the meter’s 9V battery. The battery compartment is located behind the panel that surrounds the meter’s trigger. The panel ca...
Page 6 Specifications Display 3-1/2 digit (1999count) LCD with backlighting Response time Less than 1 second Over range indication LCD will show “HI”/”LO” Polarity Automatic (no indication for positive polar...

Manual Details

Brand Laser
Pages 6
File Size 219.22 KB
Published May 25, 2026
67 views

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Frequently Asked Questions

How do I begin an infrared temperature measurement?

Point it at the surface and pull and hold the trigger to start testing.

What should I do if my battery light appears?

Replace the meter’s 9V battery in the compartment located behind the trigger panel.

What is the recommended field of view for accurate measurements?

The target spot must be at least half an inch (S) when measuring from 8 inches away (D).