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How to measure temperature with a thermometer?

Jul 28, 2023

How to measure temperature with a thermometer?

 

In order to measure the temperature of the infrared thermometer, point the infrared thermometer at the object to be measured, press the trigger to read the temperature data on the LCD of the instrument, and ensure that the ratio of the distance to the spot size and the field of view are arranged. There are a few important things to remember when using an infrared thermometer:


1. Only the surface temperature is measured, and the infrared thermometer cannot measure the internal temperature.


2. The temperature cannot be measured through glass. Glass has very special reflection and transmission characteristics, and infrared temperature readings are not allowed. But the temperature can be measured through the infrared window. Infrared thermometers are best not used for temperature measurement on shiny or polished metal surfaces (stainless steel, aluminum, etc.).


3. Locate the hot spot. To find the hot spot, the instrument aims at the target, and then scans up and down on the target until the hot spot is determined.


4. Pay attention to environmental conditions: steam, dust, smoke, etc. It blocks the optical system of the instrument and affects temperature measurement.


5. Ambient temperature, if the infrared thermometer is suddenly exposed to an ambient temperature difference of 20 degrees or higher, allow the instrument to adjust to the new ambient temperature within 20 minutes.


What are the most common infrared thermometer applications?


1. Automotive industry: Diagnose cylinders and heating/cooling systems.


2. HVAC: Monitor air stratification, supply/return records, and furnace performance.


3. Electrical: Check for faulty transformers, electrical panels and connectors.


4. Food: scan management, service and storage temperature.


5. Others: Many projects, bases and transformation applications.

 

3 laser temperature meter

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