Infrared Thermometer Selection Guide

Oct 06, 2022

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Infrared Thermometer Selection Guide


Non-contact infrared temperature measurement products include three series: portable, online and scanning, and are equipped with various optional accessories and corresponding computer software. Each series has various models and specifications. Among various types of thermometers with different specifications, it is very important for users to choose the correct infrared thermometer model. Here are some thinking steps for the selection of portable infrared thermometers for buyers' reference.


The selection of infrared thermometers can be divided into three aspects:


1. Determine the temperature measurement range:

Each model of thermometer has its own specific temperature range. Therefore, the temperature range that the user wants to use must be considered accurate and comprehensive, neither too narrow nor too wide.


2. Determine the optical resolution (distance and sensitivity):

Optical resolution is determined by the ratio of D to S, which is the ratio of the distance D from the thermometer to the target to the diameter of the measurement spot, S. If you want to measure long distances and small targets, you should choose a thermometer with high optical resolution. The higher the optical resolution, the higher the D:S ratio, and the higher the cost of the thermometer.


3. Measurement in strong light background

If the measured target has strong background light (direct sunlight or strong light). The accuracy of the measurement will be affected. At this time, the object should be used to block the strong light of the direct object to eliminate the interference of the background light.


Simple to operate and easy to use:

The portable infrared thermometer should be intuitive, easy to operate, and easy for operators to use. It is a small, lightweight, and portable temperature measurement instrument that integrates temperature measurement and display output. Display temperature and output various temperature information, some can be operated by remote control or computer software program.



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