Table of Contents
What is a bimetallic stemmed thermometer?
Benefits of bimetallic stemmed thermometer
What is essentially 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 uses two completely different metals to measure temperature. Two metals with totally different coefficients of linear expansion are mixed and stuck at one end. When the temperature adjustments, the 2 metals have totally different degrees of thermal growth. A pointer is pushed to deflect to indicate the temperature. This is the bimetal thermometer. Usually, the layer of the bimetal with a small coefficient of growth known as the passive layer, and the layer with a large coefficient of enlargement known as the energetic layer. It can immediately measure the temperature of liquid, steam and gasoline media in the range of -80℃~+500℃ in numerous production processes.
Benefits of bimetallic stemmed thermometer
The thermal potential just isn’t interfered with. The thermal potential of the bimetal stemmed thermometer just isn’t disturbed by different components. It is extremely adaptable to totally different measurement environments.
Diverse structure, can meet totally different measurement necessities. Can be used as electrical 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 could be displayed and recorded on website.
Small dimension, straightforward to apply, and strong reliability of temperature measurement. Dial nominal diameter: 60,100 (4 inches), 150 elective.
Long service life, can be used for long-term temperature detection in chemical manufacturing, steady physical and chemical properties.
Stable anti-corrosion efficiency. Bimetal thermometers in chemical manufacturing usually must be utilized in liquid and gas environments. Has good corrosion resistance to protect the pipeline. Will not be affected by the measurement circumstances and will not produce corrosion problems that affect the quality of measurement.
High pressure-bearing capacity. Has good pressure-bearing capability, could be measured under completely different pressure ranges, 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 essentially 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 to not touch the facet, and let it sit until the dial stops moving.
If the thermometer is accurate, the temperature should 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 clean container of distilled water to a boil.
Once the water is boiling, insert the thermometer probe. Again, make sure the probe does not touch the perimeters or bottom of the pot. 3.
The temperature must be 212°F (100°C). Record the difference and offset the thermometer as needed. Please notice that the boiling level of water varies with altitude. Use this useful water boiling level calculator to seek 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 directly measure the temperature of liquid, steam and gasoline media within the vary of -80℃~500℃ in varied manufacturing processes.
Electric contact bimetal thermometer is used for temperature control and alarm at manufacturing websites.
Directly measure the temperature of liquid, steam and gaseous media in the vary of -80℃~500℃ in various production processes.
Explosion-proof bimetal thermometer can directly measure the presence of explosives such as hydrocarbons on the web site. Directly measure ราคาเพรสเชอร์เกจ of liquid, steam and gaseous media in the vary of -80℃~500℃ in various production processes.
Remote bimetal thermometer can directly learn the location temperature. And the temperature sign may be transmitted to the remote control 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 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 totally different coefficients of linear expansion are mixed and glued at one end. When the temperature modifications, the 2 metals have 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 expansion is recognized as the passive layer, and the layer with a large coefficient of growth is recognized as the lively layer. It can instantly measure the temperature of liquid, steam and fuel media within the vary of -80℃~+500℃ in varied manufacturing processes.
Benefits of bimetallic stemmed thermometer
The thermal potential just isn’t interfered with. The thermal potential of the bimetal stemmed thermometer is not disturbed by different components. It is highly adaptable to completely different measurement environments.
Diverse structure, can meet completely different measurement requirements. Can be used as electric contact bimetal thermometer, explosion-proof electric 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 could be displayed and recorded on website.
Small measurement, straightforward to apply, and powerful reliability of temperature measurement. Dial nominal diameter: 60,100 (4 inches), one hundred fifty elective.
Long service life, can be used for long-term temperature detection in chemical manufacturing, steady physical and chemical properties.
Stable anti-corrosion efficiency. Bimetal thermometers in chemical manufacturing usually need to be utilized in liquid and fuel environments. Has good corrosion resistance to protect the pipeline. Will not be affected by the measurement situations and won’t produce corrosion issues that have an effect on the standard of measurement.
High pressure-bearing capability. Has good pressure-bearing capacity, could be measured beneath totally different strain ranges, and is very 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 4 to 5 minutes to kind a watery slurry.
Insert the thermometer probe into the container, ensuring not to contact the facet, and let it sit till 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 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 contact the sides or backside of the pot. 3.
The temperature should be 212°F (100°C). Record the difference and offset the thermometer as wanted. Please observe that the boiling level of water varies with altitude. Use this useful water boiling point calculator to find the right temperature in your altitude.
Bimetallic stem thermometer purposes
The bimetal thermometer is a subject testing instrument used to measure low and medium temperatures. It can directly measure the temperature of liquid, steam and fuel media in the vary of -80℃~500℃ in various production processes.
Electric contact bimetal thermometer is used for temperature control and alarm at manufacturing websites.
Directly measure the temperature of liquid, steam and gaseous media within the vary of -80℃~500℃ in numerous manufacturing processes.
Explosion-proof bimetal thermometer can immediately measure the presence of explosives such as hydrocarbons on the web site. Directly measure the temperature of liquid, steam and gaseous media in the range of -80℃~500℃ in numerous production processes.
Remote bimetal thermometer can instantly learn the site temperature. And the temperature sign may be transmitted to the remote 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****