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 range of a bimetallic stemmed thermometer
What is a bimetallic stemmed thermometer?
Bimetallic stemmed thermometer is an instrument that uses two totally different metals to measure temperature. Two metals with different coefficients of linear growth are combined and stuck at one finish. When the temperature modifications, the two metals have different degrees of thermal expansion. 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 known as the passive layer, and the layer with a large coefficient of enlargement is called the active layer. It can immediately measure the temperature of liquid, steam and gasoline media in the range of -80℃~+500℃ in varied production 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 other components. It is extremely adaptable to totally different measurement environments.
Diverse structure, can meet different measurement requirements. Can be used as electric 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 may be displayed and recorded on web site.
Small size, simple to apply, and powerful 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 manufacturing, steady physical and chemical properties.
Stable anti-corrosion performance. Bimetal thermometers in chemical production often have to be used in liquid and gas environments. Has good corrosion resistance to protect the pipeline. Will not be affected by the measurement circumstances and received’t produce corrosion issues that affect the quality of measurement.
High pressure-bearing capability. Has good pressure-bearing capacity, may be measured beneath completely different strain levels, and is very adaptable to the measurement situations.
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 cold distilled water and let it sit for four to five minutes to kind a watery slurry.
Insert the thermometer probe into the container, ensuring not to touch the aspect, and let it sit until the dial stops moving.
If the thermometer is accurate, 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 certain the probe doesn’t contact the perimeters or backside of the pot. 3.
The temperature should 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 handy water boiling point calculator to find the best temperature for your altitude.
Bimetallic stem thermometer functions
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 in the range 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 in the vary of -80℃~500℃ in varied production processes.
Explosion-proof bimetal thermometer can directly measure the presence of explosives similar to hydrocarbons at the web site. Directly measure the temperature of liquid, steam and gaseous media in the vary of -80℃~500℃ in numerous production processes.
Remote เพรสเชอร์เกจ can directly read the site temperature. And the temperature sign can be transmitted to the remote 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****
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Table of Contents
What is a bimetallic stemmed thermometer?
Benefits of bimetallic stemmed thermometer
What is 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 makes use of two completely different metals to measure temperature. Two metals with totally different coefficients of linear expansion are mixed and stuck at one end. When the temperature changes, the 2 metals have totally different degrees of thermal expansion. 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 known as 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 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 just isn’t disturbed by different factors. It is extremely adaptable to different measurement environments.
Diverse construction, can meet totally 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 excessive sensitivity. At the same time, the temperature change is intuitive and may be displayed and recorded on website.
Small dimension, simple to apply, and robust reliability of temperature measurement. Dial nominal diameter: 60,a hundred (4 inches), 150 optionally available.
Long service life, can be utilized for long-term temperature detection in chemical production, steady bodily and chemical properties.
Stable anti-corrosion efficiency. Bimetal thermometers in chemical manufacturing typically need to be utilized in liquid and gasoline environments. Has good corrosion resistance to protect the pipeline. Will not be affected by the measurement situations and will not produce corrosion problems that have an effect on the standard of measurement.
High pressure-bearing capacity. Has good pressure-bearing capability, could 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 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 form a watery slurry.
Insert the thermometer probe into the container, making sure to not touch the side, and let it sit until the dial stops shifting.
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 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 certain the probe doesn’t contact the edges or backside of the pot. 3.
The temperature ought to 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 useful water boiling point calculator to find the right 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 immediately measure the temperature of liquid, steam and fuel media within the range of -80℃~500℃ in various manufacturing 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 in the vary of -80℃~500℃ in numerous manufacturing processes.
Explosion-proof bimetal thermometer can directly measure the presence of explosives such as hydrocarbons on the site. Directly measure the temperature of liquid, steam and gaseous media within the vary of -80℃~500℃ in varied manufacturing processes.
Remote bimetal thermometer can directly read the positioning temperature. And the temperature signal may be transmitted to the remote management system.
pressure gauge 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****