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 functions
Temperature vary 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 completely different coefficients of linear expansion are mixed and stuck at one finish. When the temperature changes, the 2 metals have completely different degrees 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 is called the passive layer, and the layer with a big coefficient of expansion is known as the active layer. It can directly measure the temperature of liquid, steam and gas media within 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 isn’t disturbed by different components. It is extremely adaptable to different measurement environments.
Diverse construction, can meet different measurement necessities. Can be used as electrical contact bimetal thermometer, explosion-proof electric contact bimetal thermometer, distant transmission bimetal thermometer, and so forth.
Fast temperature response and high sensitivity. At the identical time, the temperature change is intuitive and could be displayed and recorded on site.
Small measurement, simple to apply, and strong reliability of temperature measurement. Dial nominal diameter: 60,one hundred (4 inches), 150 optionally available.
Long service life, can be used for long-term temperature detection in chemical manufacturing, secure physical and chemical properties.
Stable anti-corrosion efficiency. Bimetal thermometers in chemical manufacturing typically must be used 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 problems that have an effect on the standard of measurement.
High pressure-bearing capacity. Has good pressure-bearing capacity, can be measured underneath completely different strain levels, and is extremely adaptable to the measurement circumstances.
ไดอะแฟรม ซีล . Small resistance temperature coefficient, linear relationship between thermal potential and temperature, good linearity.
What is probably the most correct approach 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 till the dial stops shifting.
If the thermometer is accurate, the temperature must 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 contact the perimeters or backside of the pot. three.
The temperature should be 212°F (100°C). Record the difference and offset the thermometer as wanted. Please observe that the boiling point of water varies with altitude. Use this useful water boiling level calculator to find the proper temperature for your altitude.
Bimetallic stem thermometer purposes
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 gas media in the vary of -80℃~500℃ in various 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 within the range of -80℃~500℃ in varied production processes.
Explosion-proof bimetal thermometer can directly measure the presence of explosives corresponding to hydrocarbons at the 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 immediately learn the site temperature. And the temperature signal could be transmitted to the distant 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 way to calibrate a bimetal thermometer?
Method 1: Ice and water
Method 2: Boiling Water
Bimetallic stem thermometer purposes
Temperature vary 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 enlargement are mixed and glued at one end. When the temperature modifications, the 2 metals have totally different levels of thermal enlargement. digital pressure gauge 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 known as the passive layer, and the layer with a big coefficient of enlargement is called the active layer. It can instantly 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 just isn’t interfered with. The thermal potential of the bimetal stemmed thermometer is not disturbed by different elements. It is very adaptable to totally different measurement environments.
Diverse structure, can meet different measurement necessities. Can be used as electric contact bimetal thermometer, explosion-proof electrical 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 could be displayed and recorded on website.
Small size, straightforward to use, and strong reliability of temperature measurement. Dial nominal diameter: 60,100 (4 inches), a hundred and fifty optionally available.
Long service life, can be utilized 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 utilized in liquid and gasoline environments. Has good corrosion resistance to guard the pipeline. Will not be affected by the measurement circumstances and will not produce corrosion issues that have an effect on the standard of measurement.
High pressure-bearing capability. Has good pressure-bearing capacity, could be measured under completely different strain 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 probably the most accurate approach 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 kind a watery slurry.
Insert the thermometer probe into the container, ensuring not to contact the side, and let it sit until the dial stops transferring.
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 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, ensure the probe doesn’t touch the sides or bottom of the pot. three.
The temperature should be 212°F (100°C). Record the difference and offset the thermometer as wanted. Please observe that the boiling point of water varies with altitude. Use this useful water boiling point calculator to search out the right temperature on 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 gasoline media within the vary of -80℃~500℃ in varied production processes.
Electric contact bimetal thermometer is used for temperature control and alarm at production websites.
Directly measure the temperature of liquid, steam and gaseous media within the range of -80℃~500℃ in various manufacturing processes.
Explosion-proof bimetal thermometer can immediately measure the presence of explosives such as 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 immediately read the location temperature. And the temperature sign can be transmitted to the distant management 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****