Table of Contents
What is a bimetallic stemmed thermometer?
Benefits of bimetallic stemmed thermometer
What is probably the most correct approach 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 uses two different metals to measure temperature. Two metals with completely different coefficients of linear enlargement are combined and fixed at one end. When the temperature changes, the 2 metals have totally different levels of thermal expansion. A pointer is driven to deflect to point the temperature. This is the bimetal thermometer. Usually, the layer of the bimetal with a small coefficient of enlargement known as the passive layer, and the layer with a big coefficient of expansion is recognized as the energetic layer. It can immediately measure the temperature of liquid, steam and gasoline media in the range of -80℃~+500℃ in various manufacturing processes.
Benefits of bimetallic stemmed thermometer
The thermal potential isn’t interfered with. The thermal potential of the bimetal stemmed thermometer isn’t disturbed by different components. It is extremely adaptable to totally different measurement environments.
Diverse construction, can meet totally different measurement necessities. Can be used as electrical contact bimetal thermometer, explosion-proof electrical contact bimetal thermometer, remote transmission bimetal thermometer, and so forth.
Fast temperature response and high sensitivity. At the same time, the temperature change is intuitive and may be displayed and recorded on website.
Small measurement, straightforward to use, and strong reliability of temperature measurement. Dial nominal diameter: 60,a hundred (4 inches), a hundred and fifty optionally available.
Long service life, can be used for long-term temperature detection in chemical production, secure bodily and chemical properties.
Stable anti-corrosion efficiency. Bimetal thermometers in chemical manufacturing often have to be used in liquid and gas environments. Has good corrosion resistance to guard the pipeline. Will not be affected by the measurement conditions and will not produce corrosion problems that have an effect on the quality of measurement.
High pressure-bearing capacity. Has good pressure-bearing capacity, could be measured underneath different pressure 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 essentially the most accurate way 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 4 to 5 minutes to kind a watery slurry.
Insert the thermometer probe into the container, ensuring to not touch the side, and let it sit until the dial stops shifting.
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 needed.
Method 2: Boiling Water
Bring a clean container of distilled water to a boil.
Once the water is boiling, insert the thermometer probe. Again, ensure the probe does not contact the sides or bottom of the pot. 3.
The temperature ought to be 212°F (100°C). Record the distinction and offset the thermometer as wanted. Please observe that the boiling point of water varies with altitude. Use this handy water boiling point calculator to search out the best temperature in your altitude.
Bimetallic stem thermometer purposes
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 fuel media within the range of -80℃~500℃ in varied production processes.
Electric contact bimetal thermometer is used for temperature management and alarm at manufacturing websites.
Directly measure the temperature of liquid, steam and gaseous media within the vary of -80℃~500℃ in numerous production processes.
Explosion-proof bimetal thermometer can instantly measure the presence of explosives similar to hydrocarbons at the web site. Directly measure the temperature of liquid, steam and gaseous media in the vary of -80℃~500℃ in various manufacturing processes.
Remote bimetal thermometer can directly learn the positioning temperature. And the temperature sign could be transmitted to the remote 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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Table of Contents
What is a bimetallic stemmed thermometer?
Benefits of bimetallic stemmed thermometer
What is the most accurate method 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 completely different metals to measure temperature. Two metals with completely different coefficients of linear expansion are combined and stuck at one finish. When the temperature changes, 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 expansion is known as the passive layer, and the layer with a big coefficient of enlargement is called the energetic layer. It can directly measure the temperature of liquid, steam and gasoline media within the vary of -80℃~+500℃ in various production processes.
Benefits of bimetallic stemmed thermometer
The thermal potential is not interfered with. The thermal potential of the bimetal stemmed thermometer isn’t disturbed by different components. It is highly adaptable to different measurement environments.
Diverse construction, can meet different measurement necessities. Can be used as electric contact bimetal thermometer, explosion-proof electrical contact bimetal thermometer, remote transmission bimetal thermometer, etc.
Fast temperature response and excessive sensitivity. At the identical time, the temperature change is intuitive and may be displayed and recorded on site.
Small size, straightforward to use, and strong reliability of temperature measurement. Dial nominal diameter: 60,a hundred (4 inches), a hundred and fifty optionally available.
Long service life, can be used for long-term temperature detection in chemical production, stable physical and chemical properties.
Stable anti-corrosion efficiency. Bimetal thermometers in chemical production typically must be used in liquid and gas environments. Has good corrosion resistance to protect the pipeline. Will not be affected by เกจวัดแรงดันปั๊มลม and received’t produce corrosion issues that affect the standard of measurement.
High pressure-bearing capability. Has good pressure-bearing capacity, can be measured beneath different pressure levels, and is highly 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 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 4 to 5 minutes to type a watery slurry.
Insert the thermometer probe into the container, ensuring not to touch the aspect, and let it sit until the dial stops moving.
If the thermometer is correct, the temperature ought to be 32°F (0°C) after 30 seconds. If not, recalibrate the thermometer. Record discrepancies and offset thermometers as needed.
Method 2: Boiling Water
Bring a clear container of distilled water to a boil.
Once the water is boiling, insert the thermometer probe. Again, ensure the probe doesn’t touch the edges or backside of the pot. three.
The temperature must be 212°F (100°C). Record the distinction and offset the thermometer as wanted. Please observe that the boiling level of water varies with altitude. Use this helpful water boiling level calculator to search out the proper temperature in your altitude.
Bimetallic stem thermometer functions
The bimetal thermometer is a field testing instrument used to measure low and medium temperatures. It can immediately measure the temperature of liquid, steam and fuel media within the range of -80℃~500℃ in varied production processes.
Electric contact bimetal thermometer is used for temperature control and alarm at manufacturing sites.
Directly measure the temperature of liquid, steam and gaseous media within the vary of -80℃~500℃ in varied manufacturing processes.
Explosion-proof bimetal thermometer can immediately measure the presence of explosives such as hydrocarbons on the site. Directly measure the temperature of liquid, steam and gaseous media within the vary of -80℃~500℃ in varied production processes.
Remote bimetal thermometer can instantly learn the positioning temperature. And the temperature signal could be transmitted to the distant management system.
Temperature vary 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****