Table of Contents
What is a bimetallic stemmed thermometer?
Benefits of bimetallic stemmed thermometer
What is essentially the most correct approach 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 different coefficients of linear expansion are mixed and glued at one finish. When the temperature adjustments, 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 growth known as the passive layer, and the layer with a large coefficient of expansion is called the energetic layer. It can directly measure the temperature of liquid, steam and gas media in the range of -80℃~+500℃ in varied production 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 factors. It is very 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, distant transmission bimetal thermometer, and so forth.
Fast temperature response and high sensitivity. At the identical time, the temperature change is intuitive and can be displayed and recorded on web site.
Small dimension, easy to use, and powerful reliability of temperature measurement. Dial nominal diameter: 60,a hundred (4 inches), 150 optionally available.
Long service life, can be used for long-term temperature detection in chemical manufacturing, steady bodily and chemical properties.
Stable anti-corrosion performance. Bimetal thermometers in chemical manufacturing typically need to be utilized in liquid and gasoline environments. Has good corrosion resistance to guard the pipeline. Will not be affected by the measurement conditions and won’t produce corrosion issues that have an effect on the quality of measurement.
High pressure-bearing capacity. Has good pressure-bearing capacity, can be measured beneath completely different pressure ranges, 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 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 not to touch the aspect, and let it sit till the dial stops shifting.
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, ensure the probe doesn’t touch the perimeters or bottom of the pot. 3.
The temperature must be 212°F (100°C). Record the distinction and offset the thermometer as wanted. Please note that the boiling level of water varies with altitude. Use this handy water boiling level calculator to search out the best temperature on 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 gas media in the vary of -80℃~500℃ in varied production processes.
Electric contact bimetal thermometer is used for temperature management and alarm at manufacturing sites.
Directly measure the temperature of liquid, steam and gaseous media in the range of -80℃~500℃ in various manufacturing processes.
Explosion-proof bimetal thermometer can directly measure the presence of explosives such as hydrocarbons at the website. Directly measure the temperature of liquid, steam and gaseous media in the range of -80℃~500℃ in various production processes.
Remote bimetal thermometer can directly learn the location temperature. And the temperature signal could be transmitted to the distant 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 probably the most correct way 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 totally different metals to measure temperature. Two metals with different coefficients of linear growth are combined and fixed at one end. When the temperature modifications, the 2 metals have different degrees of thermal expansion. 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 is known as the passive layer, and the layer with a big coefficient of enlargement is called the lively layer. It can instantly measure the temperature of liquid, steam and fuel media within the vary of -80℃~+500℃ in various manufacturing 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 elements. It is highly 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 forth.
Fast temperature response and high sensitivity. At the same 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: 60,100 (4 inches), a hundred and fifty elective.
Long service life, can be utilized for long-term temperature detection in chemical manufacturing, stable physical and chemical properties.
Stable anti-corrosion performance. Bimetal thermometers in chemical production usually must be utilized in liquid and gasoline environments. Has good corrosion resistance to guard the pipeline. Will not be affected by the measurement situations and gained’t produce corrosion issues that have an effect on the standard of measurement.
High pressure-bearing capacity. Has good pressure-bearing capacity, can be measured under totally different pressure ranges, and is extremely 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 chilly distilled water and let it sit for 4 to five minutes to type a watery slurry.
Insert the thermometer probe into the container, ensuring to not contact the aspect, and let it sit until the dial stops moving.
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, make certain the probe doesn’t contact the perimeters or backside of the pot. three.
The temperature ought to be 212°F (100°C). Record the difference and offset the thermometer as needed. Please observe that the boiling point of water varies with altitude. Use this useful water boiling level calculator to seek out the proper temperature for your altitude.
เกวัดแรงดันน้ำ is a field testing instrument used to measure low and medium temperatures. It can immediately measure the temperature of liquid, steam and gas media in the range of -80℃~500℃ in numerous 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 range of -80℃~500℃ in various production processes.
Explosion-proof bimetal thermometer can immediately measure the presence of explosives corresponding to hydrocarbons at the site. Directly measure the temperature of liquid, steam and gaseous media in the vary of -80℃~500℃ in various production processes.
Remote bimetal thermometer can immediately learn the positioning temperature. And the temperature signal may 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****