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Advantages and disadvantages of laser thermometers and precautions for use

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Advantages and disadvantages of laser thermometers and precautions for use

(Summary description)First, the advantages of laser thermometers

Advantages and disadvantages of laser thermometers and precautions for use

(Summary description)First, the advantages of laser thermometers

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First, the advantages of laser thermometers

Best laser pyrometer

1. Non-contact measurement: it does not need to touch the interior or surface of the measured temperature field, so it will not interfere with the state of the measured temperature field, and the thermometer itself is not damaged by the temperature field.

2. Wide measurement range: Because it is a non-contact temperature measurement, the thermometer is not in a higher or lower temperature field, but works

At normal temperatures or as permitted by the thermometer. Under normal circumstances, it can measure negative tens of degrees to more than 3,000 degrees.

3. Fast temperature measurement: that is, fast response time. As long as the infrared radiation of the target is received, the temperature can be fixed in a short time.

4. High accuracy: Infrared temperature measurement will not destroy the temperature distribution of the object itself like contact temperature measurement, so the measurement accuracy is high.

5. High sensitivity: as long as there is a slight change in the temperature of the object, the radiation energy will change greatly, which is easy to measure. It can perform temperature measurement and temperature distribution measurement of micro temperature field, as well as temperature measurement of moving objects or rotating objects. Safe to use and long service life.

Second, the shortcomings of laser line thermometers

1. Vulnerable to environmental factors (ambient temperature, dust in the air, etc.)

2. It has a great influence on the temperature reading of bright or polished metal surfaces

3. It is limited to measuring the temperature outside the object, it is not convenient to measure the temperature inside the object and when there are obstacles

3. Precautions for the use of laser thermometers

1. The emissivity of the measured object must be accurately determined;

2. Avoid the influence of high temperature objects in the surrounding environment;

3. For transparent materials, the ambient temperature should be lower than the temperature of the object to be measured;

4. The thermometer should be vertically aligned with the surface of the object to be measured. In any case, the angle should not exceed 30°

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