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Table of Contents

What is a bimetallic stemmed thermometer?

Benefits of bimetallic stemmed thermometer

What is the most accurate 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 expansion are mixed and stuck at one finish. When the temperature modifications, the two 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 enlargement known as the passive layer, and the layer with a large coefficient of enlargement is called the lively layer. It can directly measure the temperature of liquid, steam and gasoline media within the vary 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 is not disturbed by different elements. เกจวัดแรงดัน is highly adaptable to different measurement environments.
Diverse structure, can meet completely different measurement necessities. Can be used as electric contact bimetal thermometer, explosion-proof electrical contact bimetal thermometer, distant 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 measurement, straightforward to use, and robust reliability of temperature measurement. Dial nominal diameter: 60,100 (4 inches), one hundred fifty optionally available.
Long service life, can be utilized for long-term temperature detection in chemical manufacturing, steady physical and chemical properties.
Stable anti-corrosion performance. Bimetal thermometers in chemical production often must be used in liquid and fuel environments. Has good corrosion resistance to protect 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, may be measured underneath different strain ranges, and is extremely 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 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 four to five minutes to form a watery slurry.
Insert the thermometer probe into the container, making sure not to contact the facet, and let it sit until 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. 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, ensure 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 pressure gauge 10 bar boiling point of water varies with altitude. Use this helpful water boiling level calculator to search out the proper temperature on your altitude.
Bimetallic stem thermometer functions

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 within the vary of -80℃~500℃ in numerous production processes.
Electric contact bimetal thermometer is used for temperature management and alarm at manufacturing websites.
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 such as hydrocarbons at the website. Directly measure the temperature of liquid, steam and gaseous media in the vary of -80℃~500℃ in various production processes.
Remote bimetal thermometer can directly read the positioning temperature. And the temperature sign can be transmitted to the distant 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****
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Table of Contents

What is a bimetallic stemmed thermometer?

Benefits of bimetallic stemmed thermometer

What is probably the most accurate approach 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 totally different metals to measure temperature. Two metals with totally different coefficients of linear growth are combined and fixed at one finish. When the temperature changes, the 2 metals have completely different levels 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 growth is recognized as the passive layer, and the layer with a big 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 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 extremely adaptable to completely different measurement environments.
Diverse structure, can meet completely different measurement requirements. Can be used as electrical contact bimetal thermometer, explosion-proof electrical contact bimetal thermometer, distant transmission bimetal thermometer, etc.
Fast temperature response and excessive sensitivity. At the same time, the temperature change is intuitive and could be displayed and recorded on web site.
Small size, simple to apply, and powerful 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 physical and chemical properties.
Stable anti-corrosion efficiency. Bimetal thermometers in chemical manufacturing typically must 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 affect the standard of measurement.
High pressure-bearing capability. Has good pressure-bearing capability, can be measured under different pressure ranges, and is extremely 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 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 5 minutes to kind a watery slurry.
Insert the thermometer probe into the container, making sure not to touch the aspect, and let it sit until the dial stops transferring.
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 doesn’t contact the sides or bottom of the pot. 3.
The temperature ought to be 212°F (100°C). Record the difference and offset the thermometer as needed. Please notice that the boiling point of water varies with altitude. Use this helpful water boiling level calculator to search out the right 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 within the range of -80℃~500℃ in numerous production 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 various production processes.
Explosion-proof bimetal thermometer can instantly measure the presence of explosives such as hydrocarbons at the site. Directly measure the temperature of liquid, steam and gaseous media in the vary of -80℃~500℃ in varied production processes.
Remote bimetal thermometer can instantly learn the positioning temperature. And the temperature sign can be transmitted to the distant management system.
Temperature range 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****