Table of Contents
What is a bimetallic stemmed thermometer?
Benefits of bimetallic stemmed thermometer
What is probably the most accurate method to calibrate a bimetal thermometer?
Method 1: Ice and water
Method 2: Boiling Water
Bimetallic stem thermometer applications
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 different coefficients of linear growth are combined and fixed at one end. When the temperature changes, the 2 metals have completely different degrees of thermal expansion. 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 called the passive layer, and the layer with a big coefficient of growth is called the active layer. It can directly measure the temperature of liquid, steam and fuel media within the range of -80℃~+500℃ in varied manufacturing processes.
Benefits of bimetallic stemmed thermometer
The thermal potential is not interfered with. The thermal potential of the bimetal stemmed thermometer is not disturbed by different factors. It is highly adaptable to different measurement environments.
Diverse construction, 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 on.
Fast temperature response and high sensitivity. At the identical time, the temperature change is intuitive and may be displayed and recorded on website.
Small dimension, straightforward to apply, and robust reliability of temperature measurement. Dial nominal diameter: 60,100 (4 inches), a hundred and fifty elective.
ไดอะแฟรม , can be used for long-term temperature detection in chemical manufacturing, secure bodily and chemical properties.
Stable anti-corrosion efficiency. Bimetal thermometers in chemical production typically have to be used in liquid and gasoline environments. Has good corrosion resistance to guard the pipeline. Will not be affected by the measurement situations and received’t produce corrosion problems that have an effect on the standard of measurement.
High pressure-bearing capacity. Has good pressure-bearing capacity, may be measured under different strain levels, and is highly adaptable to the measurement situations.
High electrical conductivity. Small resistance temperature coefficient, linear relationship between thermal potential and temperature, good linearity.
What is probably the most accurate method 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 five minutes to type a watery slurry.
Insert the thermometer probe into the container, making sure to not touch the aspect, 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 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 doesn’t touch 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 level calculator to search out the best 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 fuel media within the range of -80℃~500℃ in varied 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 vary of -80℃~500℃ in numerous manufacturing processes.
Explosion-proof bimetal thermometer can instantly measure the presence of explosives similar to hydrocarbons on the web 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 instantly read the site temperature. And the temperature sign can 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****
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Table of Contents
What is a bimetallic stemmed thermometer?
Benefits of bimetallic stemmed thermometer
What is essentially the most correct method 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 completely different coefficients of linear growth are combined and glued at one end. When the temperature modifications, the two metals have completely different degrees 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 is known as the lively layer. It can immediately measure the temperature of liquid, steam and fuel media in the range of -80℃~+500℃ in numerous manufacturing processes.
Benefits of bimetallic stemmed thermometer
The thermal potential is not interfered with. The thermal potential of the bimetal stemmed thermometer just isn’t disturbed by different components. It is extremely adaptable to different measurement environments.
Diverse construction, can meet completely different measurement requirements. Can be used as electric contact bimetal thermometer, explosion-proof electrical contact bimetal thermometer, remote transmission bimetal thermometer, etc.
Fast temperature response and high sensitivity. At the same time, the temperature change is intuitive and could be displayed and recorded on site.
Small size, straightforward to apply, and powerful reliability of temperature measurement. Dial nominal diameter: 60,a hundred (4 inches), a hundred and fifty optional.
Long service life, can be utilized for long-term temperature detection in chemical production, steady physical and chemical properties.
Stable anti-corrosion performance. Bimetal thermometers in chemical manufacturing usually need to be used in liquid and gasoline environments. Has good corrosion resistance to guard the pipeline. Will not be affected by the measurement situations and will not produce corrosion issues that have an effect on the standard of measurement.
High pressure-bearing capacity. Has good pressure-bearing capacity, could be measured underneath completely different stress levels, 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 approach 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 type 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 should be 32°F (0°C) after 30 seconds. If not, recalibrate the thermometer. diaphragm seal 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 doesn’t contact the perimeters or bottom 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 point of water varies with altitude. Use this helpful water boiling point calculator to seek out the best 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 immediately measure the temperature of liquid, steam and fuel media within the vary of -80℃~500℃ in numerous 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 vary of -80℃~500℃ in numerous production processes.
Explosion-proof bimetal thermometer can instantly measure the presence of explosives corresponding to hydrocarbons at the website. Directly measure the temperature of liquid, steam and gaseous media within the range of -80℃~500℃ in varied manufacturing processes.
Remote bimetal thermometer can directly learn the positioning temperature. And the temperature signal can 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****