Extech IR400 Mini Infrared Thermometer

The Extech IR400 Mini Infrared Thermometer comes in 2 versions: Standard or NIST certified calibration. Pick your options above to open the exact model, with its own price and details. The details below are for the Standard version.

The Extech IR400 Mini Infrared Thermometer is a compact and user-friendly tool designed for accurate non-contact temperature measurements. Ideal for professionals in HVAC, automotive, and electrical maintenance, this handheld device offers a fast and reliable way to measure surface temperatures without the need for physical contact.

With a temperature range of -4 to 630°F and an 8:1 distance-to-spot ratio, the IR400 provides precise readings even from a moderate distance. A built-in laser pointer helps to clearly identify the target area, ensuring better aim and accurate results. The thermometer features automatic data hold, Min/Max temperature recording, and an auto power-off function to conserve battery life.

Its fixed 0.95 emissivity is optimized to cover 90% of common surface types, making it suitable for most materials. Lightweight and portable, the IR400 is ideal for on-the-go diagnostics and routine maintenance across various environments.

What's Included:

• 1 - 9 Volt Battery
• 1 - Case

Features

Wide Temperature Range
Measures temperatures from -4 to 630°F (-20 to 332°C) for versatile applications.

8:1 Distance-to-Spot Ratio
Allows for accurate readings from a distance, suitable for hard-to-reach surfaces.

Built-In Laser Pointer
Visibly marks the target area to improve measurement accuracy.

Automatic Data Hold
Captures and retains the last reading when the trigger is released for easy reference.

Fixed 0.95 Emissivity
Optimized for 90% of surface types, ensuring reliable readings in most situations.

Min/Max Hold and Auto Power Off
Tracks extreme values during readings and conserves battery when idle.

What's Included

Included with Your Purchase:

• 1 - 9 Volt Battery
• 1 - Case

Specifications

• Temperature Range: -4 to 630°F (-20 to 332°C)
• Distance to Spot Ratio: 8:1
• Emissivity: Fixed at 0.95
• Laser Pointer: Built-in
• Data Hold: Automatic on trigger release
• Additional Features: Min/Max Hold, Auto Power Off
• Battery: 9 Volt (included)
• Condition: NEW

FAQ

Q: Can the emissivity be adjusted?
A: No, the Extech IR400 has a fixed emissivity of 0.95, which is suitable for most surface types.

Q: What is the distance-to-spot ratio?
A: It features an 8:1 ratio, meaning you can measure a 1-inch spot from 8 inches away.

Q: Does the thermometer come calibrated?
A: The unit comes factory-calibrated and ready to use out of the box.

Q: What type of battery does it use?
A: It uses one 9 Volt battery, which is included with the purchase.

Resources

Documents:

• Extech IR400 Mini Infrared (IR) Thermometer Datasheet
• Extech IR400 Mini Infrared (IR) Thermometer Manual