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Non-contact thermometer uses and precautions?
Release time:
2024-02-29
Author:
Source:
Abstract
Non-contact thermometers are used for many purposes: Predictive and preventive industrial maintenance: checking transformers, switchboards, connectors, switchgear, rotating equipment, furnaces, etc.
Automotive: Diagnosing cylinder heads and heating or cooling systems
General heating and air conditioning system/damper: monitor air stratification, supply/return air damper and furnace performance.
Food service and: check storage, service and storage temperature.
Process control and monitoring: check the process temperature of steel, glass, plastic, cement, paper, food and beverage
Precautions
Answer: To make a temperature measurement, just point the instrument at the dot to be measured. Be sure to take into account the distance to size ratio and field of view. Important things to keep in mind when using infrared thermometers are:
1. Only the surface temperature is measured. Infrared thermometers cannot measure internal temperature.
2. Do not measure the temperature through the glass. The reflection and transmission properties of glass are different from those of other materials, so the infrared temperature readings obtained are affected.
3. It is recommended not to use infrared thermometer to measure bright or polished metal surfaces (stainless steel, aluminum, etc.).
Pay attention to environmental conditions. Steam, dust, smoke, etc. cover the lens and obstruct the measurement.
5, pay attention to the ambient temperature. If the thermometer encounters a sudden environmental temperature difference of more than 10 degrees, let the instrument adapt to the new ambient temperature for at least 20 minutes.
6. Different objects use different emissivity.
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