International Safety Symbols - Extech Instruments IRT25 User Manual

Introduction
Congratulations on your purchase of the IRT25 IR Thermometer. This thermometer makes 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. This device is shipped fully tested and calibrated and, with proper use, will
provide years of reliable service. Please visit our website (www.extech.com) to check for the
latest version of this User Guide, Product Updates, and Customer Support.
Features

Measures non‐contact surface temperature up to 371°C (400°F)

12:1 Distance to Spot Ratio (Field of View)

Single‐point laser targeting

Automatic Data Hold when trigger is released

Display Backlight

Maximum‐Minimum temperature function

Selectable temperature units (°F / °C)

Dynamic battery status indication

Adjustable emissivity

Audible and visible alarm indication for High and Low Temperature Alarm
Safety
International Safety Symbols
This symbol, adjacent to another symbol or terminal, indicates the user must refer to the manual for
further information
Warnings
o
Do not directly or indirectly point the laser at the eyes of a person or an animal
o
Inspect for damage or for any shortage of parts or accessories before use
o
Replace the batteries immediately after the battery indicator flashes
o
Do not use the thermometer near explosive gases, steam, or dust
o
Note that an object with high reflectivity will normally cause the
measured temperature value to read much lower than the actual
temperature
o
Use the device only as described in this User Guide
Cautions
To avoid thermometer damage, please avoid the following hazards:
o
EMF from welding equipment or electro‐induction heaters
o
Static electricity
o
Thermal shock caused by large or abrupt environmental temperature changes; wait 30 minutes to
allow the thermometer to stabilize to new environmental conditions
o
Do not use this device in excessively high temperature environments
2
IRT25‐en‐GB_V1.0 2/17
EXTECH INSTRUMENTS
<1mW Output at 650nm