Bimetallic stemmed thermometer definition

Table of Contents

What is a bimetallic stemmed thermometer?

Benefits of bimetallic stemmed thermometer

What is essentially the most correct way to calibrate a bimetal thermometer?

Method 1: Ice and water

Method 2: Boiling Water

Bimetallic stem thermometer applications

Temperature vary of a bimetallic stemmed thermometer

What is a bimetallic stemmed thermometer?

Bimetallic stemmed thermometer is an instrument that makes use of two totally different metals to measure temperature. Two metals with different coefficients of linear growth are mixed and fixed at one finish. When the temperature modifications, the 2 metals have different levels of thermal growth. A pointer is driven to deflect to indicate the temperature. This is the bimetal thermometer. Usually, the layer of the bimetal with a small coefficient of enlargement is known as the passive layer, and the layer with a big coefficient of growth known as the energetic layer. It can immediately measure the temperature of liquid, steam and gas media in the vary of -80℃~+500℃ in numerous manufacturing processes.
Benefits of bimetallic stemmed thermometer

The thermal potential isn’t interfered with. The thermal potential of the bimetal stemmed thermometer is not disturbed by other factors. It is extremely adaptable to different measurement environments.
Diverse structure, can meet different measurement necessities. Can be used as electric contact bimetal thermometer, explosion-proof electric contact bimetal thermometer, distant transmission bimetal thermometer, and so forth.
Fast temperature response and excessive sensitivity. At the identical time, the temperature change is intuitive and can be displayed and recorded on site.
Small measurement, easy to use, and powerful reliability of temperature measurement. Dial nominal diameter: 60,one hundred (4 inches), a hundred and fifty elective.
Long service life, can be used for long-term temperature detection in chemical production, stable physical and chemical properties.
Stable anti-corrosion performance. Bimetal thermometers in chemical production usually have to be used in liquid and gasoline environments. Has good corrosion resistance to protect the pipeline. Will not be affected by the measurement conditions and will not produce corrosion issues that have an effect on the quality of measurement.
High pressure-bearing capability. Has good pressure-bearing capability, may be measured under totally different strain ranges, and is very adaptable to the measurement situations.
High electrical conductivity. Small resistance temperature coefficient, linear relationship between thermal potential and temperature, good linearity.
What is the most correct way to calibrate a bimetal thermometer?

Method 1: Ice and water

Fill a container with ice cubes, then add cold distilled water and let it sit for four to 5 minutes to form a watery slurry.
Insert the thermometer probe into the container, making sure not to contact the facet, and let it sit until the dial stops transferring.
If the thermometer is accurate, the temperature ought to be 32°F (0°C) after 30 seconds. If not, recalibrate the thermometer. Record discrepancies and offset thermometers as wanted.
Method 2: Boiling Water

Bring a clear container of distilled water to a boil.
Once the water is boiling, insert the thermometer probe. Again, make certain the probe does not contact the edges or backside of the pot. 3.
The temperature ought to be 212°F (100°C). Record the difference and offset the thermometer as wanted. Please notice that the boiling point of water varies with altitude. Use this useful water boiling level calculator to seek out the proper temperature for your altitude.
Bimetallic stem thermometer applications

The bimetal thermometer is a area testing instrument used to measure low and medium temperatures. It can instantly measure the temperature of liquid, steam and fuel media within the vary of -80℃~500℃ in varied production processes.
diaphragm seal is used for temperature control and alarm at production websites.
Directly measure the temperature of liquid, steam and gaseous media in the range of -80℃~500℃ in varied manufacturing processes.
Explosion-proof bimetal thermometer can directly measure the presence of explosives such as hydrocarbons on the site. Directly measure the temperature of liquid, steam and gaseous media in the vary of -80℃~500℃ in numerous manufacturing processes.
Remote bimetal thermometer can directly read the positioning temperature. And the temperature sign could be transmitted to the distant control system.
Temperature range of a bimetallic stemmed thermometer

Temperature rangeAccuracy classGraduation worth ℃Minimum insertion depth Lmin (mm)

-40℃~80℃1.52455560

0℃~50℃1.51110130140

0℃~100℃1.52556570

0℃~150℃1.52404550

0℃~200℃1.55303540

0℃~300℃1.55506060

0℃~400℃1.510405050

0℃~500℃1.510354040

0℃~600℃1.510303535

customizable1****
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Table of Contents

What is a bimetallic stemmed thermometer?

Benefits of bimetallic stemmed thermometer

What is the most correct way to calibrate a bimetal thermometer?

Method 1: Ice and water

Method 2: Boiling Water

Bimetallic stem thermometer purposes

Temperature range of a bimetallic stemmed thermometer

What is a bimetallic stemmed thermometer?

Bimetallic stemmed thermometer is an instrument that makes use of two different metals to measure temperature. Two metals with different coefficients of linear expansion are mixed and fixed at one end. When the temperature modifications, the two metals have different levels of thermal enlargement. A pointer is driven to deflect to indicate the temperature. This is the bimetal thermometer. Usually, the layer of the bimetal with a small coefficient of growth is recognized as the passive layer, and the layer with a large coefficient of enlargement known as the lively layer. It can immediately measure the temperature of liquid, steam and gas media in the range of -80℃~+500℃ in various production processes.
Benefits of bimetallic stemmed thermometer

The thermal potential isn’t interfered with. The thermal potential of the bimetal stemmed thermometer is not disturbed by other components. It is extremely adaptable to different measurement environments.
Diverse structure, can meet different measurement requirements. Can be used as electrical contact bimetal thermometer, explosion-proof electric contact bimetal thermometer, distant transmission bimetal thermometer, and so on.
Fast temperature response and excessive sensitivity. At the identical time, the temperature change is intuitive and can be displayed and recorded on site.
Small size, straightforward to use, and robust reliability of temperature measurement. Dial nominal diameter: 60,100 (4 inches), a hundred and fifty elective.
Long service life, can be used for long-term temperature detection in chemical production, stable bodily and chemical properties.
Stable anti-corrosion performance. Bimetal thermometers in chemical manufacturing often have to be used in liquid and gas environments. Has good corrosion resistance to protect the pipeline. Will not be affected by the measurement conditions and gained’t produce corrosion problems that have an effect on the quality of measurement.
High pressure-bearing capacity. Has good pressure-bearing capacity, can be measured beneath totally different pressure levels, and is extremely adaptable to the measurement circumstances.
High electrical conductivity. Small resistance temperature coefficient, linear relationship between thermal potential and temperature, good linearity.
What is the most correct method to calibrate a bimetal thermometer?

Method 1: Ice and water

Fill a container with ice cubes, then add chilly distilled water and let it sit for four to 5 minutes to kind a watery slurry.
Insert the thermometer probe into the container, ensuring not to touch the side, and let it sit till the dial stops moving.
If the thermometer is correct, the temperature must be 32°F (0°C) after 30 seconds. If not, recalibrate the thermometer. Record discrepancies and offset thermometers as wanted.
Method 2: Boiling Water

Bring a clear container of distilled water to a boil.
Once the water is boiling, insert the thermometer probe. Again, make certain the probe doesn’t touch the perimeters or bottom of the pot. 3.
The temperature ought to be 212°F (100°C). Record the difference and offset the thermometer as needed. Please note that the boiling point of water varies with altitude. Use this useful water boiling level calculator to seek out the best temperature on your altitude.
Bimetallic stem thermometer functions

The bimetal thermometer is a area testing instrument used to measure low and medium temperatures. It can directly measure the temperature of liquid, steam and gas media within the range of -80℃~500℃ in varied manufacturing processes.
Electric contact bimetal thermometer is used for temperature control and alarm at production sites.
Directly measure the temperature of liquid, steam and gaseous media in the range of -80℃~500℃ in numerous manufacturing processes.
Explosion-proof bimetal thermometer can directly measure the presence of explosives corresponding to hydrocarbons on the web site. Directly measure the temperature of liquid, steam and gaseous media within the range of -80℃~500℃ in numerous production processes.
Remote bimetal thermometer can directly learn the positioning temperature. And the temperature sign may be transmitted to the distant management system.
Temperature vary of a bimetallic stemmed thermometer

Temperature rangeAccuracy classGraduation value ℃Minimum insertion depth Lmin (mm)

-40℃~80℃1.52455560

0℃~50℃1.51110130140

0℃~100℃1.52556570

0℃~150℃1.52404550

0℃~200℃1.55303540

0℃~300℃1.55506060

0℃~400℃1.510405050

0℃~500℃1.510354040

0℃~600℃1.510303535

customizable1****

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