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 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 completely different coefficients of linear enlargement are combined and fixed at one finish. When the temperature modifications, the 2 metals have totally different levels of thermal growth. A pointer is pushed to deflect to point the temperature. This is the bimetal thermometer. Usually, the layer of the bimetal with a small coefficient of expansion is called the passive layer, and the layer with a large coefficient of enlargement known as the energetic layer. It can directly measure the temperature of liquid, steam and gas media within 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 is not disturbed by other components. It is extremely adaptable to completely 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 on.
Fast temperature response and high sensitivity. At the same time, the temperature change is intuitive and can be displayed and recorded on site.
Small dimension, easy to apply, and robust reliability of temperature measurement. Dial nominal diameter: 60,one hundred (4 inches), one hundred 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 performance. Bimetal thermometers in chemical production often have to 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 issues that have an result on the standard of measurement.
High pressure-bearing capacity. Has good pressure-bearing capability, can be measured under different strain levels, and is very adaptable to the measurement conditions.
High electrical conductivity. Small resistance temperature coefficient, linear relationship between thermal potential and temperature, good linearity.
What is probably 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 form a watery slurry.
Insert the thermometer probe into the container, ensuring to not touch the facet, and let it sit till the dial stops transferring.
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 clean 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 perimeters 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 level calculator to find the proper temperature for your altitude.
Bimetallic stem thermometer functions
The bimetal thermometer is a area testing instrument used to measure low and medium temperatures. It can immediately measure the temperature of liquid, steam and fuel media in the range of -80℃~500℃ in various production processes.
Electric contact bimetal thermometer is used for temperature management and alarm at production websites.
Directly measure the temperature of liquid, steam and gaseous media within the range of -80℃~500℃ in numerous manufacturing processes.
Explosion-proof bimetal thermometer can immediately measure the presence of explosives corresponding to hydrocarbons on the site. Directly measure the temperature of liquid, steam and gaseous media within the range of -80℃~500℃ in various production processes.
Remote bimetal thermometer can immediately learn the site temperature. And the temperature sign could be transmitted to the remote 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****
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Table of Contents
What is a bimetallic stemmed thermometer?
Benefits of bimetallic stemmed thermometer
What is essentially the most accurate 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 different coefficients of linear growth are mixed and glued at one end. When the temperature modifications, the two metals have different levels of thermal expansion. เกจวัดแรงดันภาษาอังกฤษ 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 known as the passive layer, and the layer with a big coefficient of enlargement is called the active layer. It can immediately measure the temperature of liquid, steam and gas media within the range of -80℃~+500℃ in varied 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 other components. It is extremely adaptable to totally different measurement environments.
Diverse structure, can meet completely 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 can be displayed and recorded on website.
Small measurement, straightforward to apply, and strong reliability of temperature measurement. Dial nominal diameter: 60,a hundred (4 inches), 150 optional.
Long service life, can be used for long-term temperature detection in chemical manufacturing, steady physical and chemical properties.
Stable anti-corrosion performance. Bimetal thermometers in chemical manufacturing often must be utilized in liquid and fuel environments. Has good corrosion resistance to guard the pipeline. Will not be affected by the measurement circumstances and will not produce corrosion problems that affect the standard of measurement.
High pressure-bearing capacity. Has good pressure-bearing capability, can be measured underneath totally different pressure levels, and is very adaptable to the measurement conditions.
High electrical conductivity. Small resistance temperature coefficient, linear relationship between thermal potential and temperature, good linearity.
What is essentially 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 4 to 5 minutes to kind a watery slurry.
Insert the thermometer probe into the container, ensuring not to touch the aspect, and let it sit till the dial stops transferring.
If the thermometer is correct, 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 clear container of distilled water to a boil.
Once the water is boiling, insert the thermometer probe. Again, make sure the probe does not contact the edges 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 level of water varies with altitude. Use this helpful water boiling point calculator to search out the proper temperature on your altitude.
Bimetallic stem thermometer functions
The bimetal thermometer is a subject testing instrument used to measure low and medium temperatures. It can instantly measure the temperature of liquid, steam and gas media within the vary of -80℃~500℃ in numerous 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 in the vary of -80℃~500℃ in various production processes.
Explosion-proof bimetal thermometer can instantly measure the presence of explosives similar to hydrocarbons on the website. Directly measure the temperature of liquid, steam and gaseous media within the range of -80℃~500℃ in varied production processes.
Remote bimetal thermometer can instantly learn the location temperature. And the temperature sign 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****