Bimetallic stemmed thermometer definition

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 completely different metals to measure temperature. Two metals with different coefficients of linear growth are combined and stuck at one end. When the temperature changes, the 2 metals have completely 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 enlargement is identified as the passive layer, and the layer with a big coefficient of expansion is known as the active layer. It can immediately measure the temperature of liquid, steam and gas media in 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 other elements. It is very adaptable to totally different measurement environments.
Diverse structure, can meet totally different measurement necessities. Can be used as electric contact bimetal thermometer, explosion-proof electrical contact bimetal thermometer, remote 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 web site.
Small measurement, easy to use, and strong reliability of temperature measurement. Dial nominal diameter: 60,one hundred (4 inches), 150 elective.
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 typically must be utilized in liquid and gas environments. Has good corrosion resistance to guard the pipeline. Will not be affected by the measurement conditions and will not produce corrosion problems that have an result on the standard of measurement.
High pressure-bearing capability. Has good pressure-bearing capacity, could be measured under completely different strain levels, and is highly 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 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 five minutes to type a watery slurry.
Insert the thermometer probe into the container, making sure to not contact 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 clean container of distilled water to a boil.
Once the water is boiling, insert the thermometer probe. Again, ensure the probe does not touch 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 note that the boiling point of water varies with altitude. Use this useful water boiling point calculator to seek out the proper temperature for your altitude.
Bimetallic stem thermometer purposes

The bimetal thermometer is a subject testing instrument used to measure low and medium temperatures. It can directly measure the temperature of liquid, steam and gasoline media in the vary of -80℃~500℃ in various 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 manufacturing 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 in the vary of -80℃~500℃ in numerous production processes.
Remote bimetal thermometer can directly read the positioning temperature. And the temperature signal 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 essentially the most correct method to calibrate a bimetal thermometer?

เกจวัดแรงดันต่ำ : 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 totally different metals to measure temperature. Two metals with different coefficients of linear expansion are combined and glued at one end. When the temperature adjustments, the two 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 enlargement is identified as the passive layer, and the layer with a large coefficient of enlargement is called the energetic layer. It can directly measure the temperature of liquid, steam and fuel media in the vary of -80℃~+500℃ in various 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 other elements. It is very adaptable to different measurement environments.
Diverse structure, can meet completely different measurement requirements. 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 can be displayed and recorded on website.
Small measurement, straightforward to apply, and robust reliability of temperature measurement. Dial nominal diameter: 60,one 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 performance. Bimetal thermometers in chemical production often have to be used in liquid and fuel 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 result on the standard of measurement.
High pressure-bearing capability. Has good pressure-bearing capability, can be measured underneath totally different strain ranges, and is highly adaptable to the measurement circumstances.
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 chilly distilled water and let it sit for four to 5 minutes to type a watery slurry.
Insert the thermometer probe into the container, making sure to not contact the facet, and let it sit till the dial stops moving.
If the thermometer is correct, 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 clean 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 perimeters or backside of the pot. 3.
The temperature must be 212°F (100°C). Record the distinction and offset the thermometer as needed. Please notice that the boiling point of water varies with altitude. Use this handy water boiling point calculator to search out the proper temperature on your altitude.
Bimetallic stem thermometer functions

The bimetal thermometer is a field testing instrument used to measure low and medium temperatures. It can instantly 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 manufacturing processes.
Explosion-proof bimetal thermometer can instantly measure the presence of explosives corresponding to hydrocarbons at the site. Directly measure the temperature of liquid, steam and gaseous media within the range of -80℃~500℃ in numerous production processes.
Remote bimetal thermometer can directly read the location temperature. And the temperature signal 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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