Key facts
- Brand
- EXTECH
- Model
- IR400
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2023-10-17
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Extech IR400 Infrared Thermometer User Manual
This user manual explains how to operate the Extech IR400 infrared thermometer, including using the laser pointer, backlight, and max/min functions. It details safety precautions, battery replacement, and measurement tips. The device features a 3-1/2 digit LCD, 8:1 field of view, and fixed emissivity of 0.95. It operates from 32°F to 122°F and is powered by a 9V battery.
Read onlineEXTECH IR400 specifications
| Display | 3-1/2 digit (1999 count) LCD with backlighting |
|---|---|
| Response time | Less than 1 second |
| Emissivity | 0.95 fixed value |
| Field of view | D/S = Approx. 8:1 ratio |
| Laser output | <1mW, Wavelength 630~670nm |
| Auto power off | Automatic shut off after 10 seconds, approx. |
| Operating temperature | 0°C to 50°C (32°F to 122°F) |
| Power supply | 9V battery, NEDA 1604A or IEC 6LR61 |
| Weight | 180g (6.302) |
All EXTECH IR400 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the warranty period for the Extech IR400 thermometer?
Extech warrants the instrument to be free of defects in parts and workmanship for one year from the date of shipment.
How long does the temperature reading hold after releasing the trigger?
The reading will hold for approximately 10 seconds after the trigger is released before the meter shuts off.
What is the emissivity setting of the IR400?
The emissivity is set to a fixed value of 0.95.
How long does the reading hold after releasing the trigger?
The reading will hold for approximately 10 seconds before the meter automatically shuts off.
What is the temperature range of the Extech IR400?
The thermometer measures from -20°C to 332°C (-4°F to 630°F).
From: EXTECH IR400 ..................Mini IR Thermometer (630°F/332°C) Manual
What is the emissivity setting for this thermometer?
It has a fixed emissivity of 0.95, which covers 90% of surface applications.
From: EXTECH IR400 ..................Mini IR Thermometer (630°F/332°C) Manual