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 purposes
Temperature vary 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 enlargement are mixed and glued at one end. When the temperature changes, the 2 metals have completely different degrees of thermal growth. 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 known as the passive layer, and the layer with a big coefficient of expansion is identified as the lively layer. It can directly measure the temperature of liquid, steam and gasoline media in the vary 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 different elements. It is highly adaptable to different measurement environments.
Diverse construction, can meet completely 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 high sensitivity. At the identical time, the temperature change is intuitive and may be displayed and recorded on site.
Small dimension, easy to apply, and strong reliability of temperature measurement. Dial nominal diameter: 60,one hundred (4 inches), 150 optional.
Long service life, can be used for long-term temperature detection in chemical production, steady bodily and chemical properties.
Stable anti-corrosion performance. Bimetal thermometers in chemical production usually have to be used in liquid and fuel environments. Has good corrosion resistance to protect the pipeline. Will not be affected by the measurement circumstances and will not produce corrosion issues that affect the quality of measurement.
High pressure-bearing capability. Has good pressure-bearing capacity, could be measured underneath completely different stress levels, 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 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, ensuring to not contact the aspect, and let it sit till the dial stops moving.
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, make sure the probe doesn’t touch the edges or backside of the pot. 3.
The temperature must be 212°F (100°C). Record the difference and offset the thermometer as wanted. Please note that the boiling point of water varies with altitude. Use this useful water boiling level calculator to find the proper temperature on your altitude.
Bimetallic stem thermometer applications
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 fuel 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 in the range of -80℃~500℃ in numerous production processes.
Explosion-proof bimetal thermometer can immediately measure the presence of explosives similar to hydrocarbons at 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 read the site temperature. And the temperature sign may 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 uses two completely different metals to measure temperature. Two metals with different coefficients of linear enlargement are combined and glued at one end. When the temperature changes, the 2 metals have 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 growth known as the passive layer, and the layer with a large coefficient of growth known as the lively layer. It can directly measure the temperature of liquid, steam and gasoline media in 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 isn’t disturbed by different elements. It is very adaptable to totally different measurement environments.
Diverse structure, can meet completely different measurement requirements. Can be used as electric contact bimetal thermometer, explosion-proof electrical contact bimetal thermometer, remote transmission bimetal thermometer, and so forth.
Fast temperature response and excessive sensitivity. At the identical time, the temperature change is intuitive and can be displayed and recorded on site.
Small dimension, easy to use, and powerful reliability of temperature measurement. จำหน่ายเกจวัดแรงดัน : 60,100 (4 inches), a hundred and fifty optionally available.
Long service life, can be utilized for long-term temperature detection in chemical manufacturing, steady bodily and chemical properties.
Stable anti-corrosion efficiency. Bimetal thermometers in chemical manufacturing often need to be utilized in liquid and gasoline environments. Has good corrosion resistance to protect the pipeline. Will not be affected by the measurement circumstances and received’t produce corrosion problems that affect the quality of measurement.
High pressure-bearing capability. Has good pressure-bearing capacity, may be measured beneath totally different pressure 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 essentially 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 four to five minutes to type a watery slurry.
Insert the thermometer probe into the container, ensuring not to touch the side, and let it sit till the dial stops moving.
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 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, make sure the probe does not touch the edges or backside 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 find the best temperature for 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 fuel media in the vary of -80℃~500℃ in various manufacturing processes.
Electric contact bimetal thermometer is used for temperature control and alarm at manufacturing 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 immediately measure the presence of explosives corresponding to hydrocarbons at the web site. Directly measure the temperature of liquid, steam and gaseous media within the vary of -80℃~500℃ in various manufacturing processes.
Remote bimetal thermometer can instantly read the positioning temperature. And the temperature sign could be transmitted to the distant control 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****