Notes

Bimetallic stemmed thermometer definition
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 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 totally different coefficients of linear enlargement are combined and glued at one finish. When the temperature changes, the two metals have different levels of thermal enlargement. 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 big coefficient of growth known as the lively layer. It can instantly measure the temperature of liquid, steam and gas media in 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 isn't disturbed by different factors. It is highly adaptable to totally different measurement environments.
Diverse construction, can meet 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 site.
Small measurement, easy to use, and strong reliability of temperature measurement. Dial nominal diameter: 60,one hundred (4 inches), a hundred and fifty optional.
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 production often have to be used in liquid and gasoline environments. Has good corrosion resistance to guard 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 capacity. Has good pressure-bearing capacity, can be measured underneath different pressure ranges, and is extremely adaptable to the measurement conditions.
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 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 touch the side, and let it sit until the dial stops transferring.
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 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 edges or backside of the pot. 3.
The temperature should be 212°F (100°C). Record the distinction and offset the thermometer as needed. Please note that the boiling level of water varies with altitude. Use this useful water boiling level calculator to seek out the best temperature for your altitude.
Bimetallic stem thermometer applications

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 vary of -80℃~500℃ in numerous manufacturing processes.
Electric contact bimetal thermometer is used for temperature control and alarm at manufacturing sites.
Directly measure เครื่องมือที่ใช้ในการวัดความดัน of liquid, steam and gaseous media in the range of -80℃~500℃ in numerous production processes.
Explosion-proof bimetal thermometer can directly measure the presence of explosives similar to 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 directly learn the positioning temperature. And the temperature signal could be transmitted to the distant control 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

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Table of Contents

What is a bimetallic stemmed thermometer?

Benefits of bimetallic stemmed thermometer

What is probably the most accurate 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 different coefficients of linear enlargement are mixed and stuck at one finish. When the temperature modifications, the 2 metals have different levels of thermal growth. 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 expansion is called the passive layer, and the layer with a large coefficient of enlargement known as the lively layer. It can immediately measure the temperature of liquid, steam and fuel media within the range of -80℃~+500℃ in numerous manufacturing processes.
Benefits of bimetallic stemmed thermometer

The thermal potential is not interfered with. The thermal potential of the bimetal stemmed thermometer just isn't disturbed by other components. It is very adaptable to totally different measurement environments.
Diverse construction, can meet different measurement necessities. 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 same time, the temperature change is intuitive and may be displayed and recorded on website.
Small dimension, straightforward to use, and robust 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, stable bodily and chemical properties.
Stable anti-corrosion performance. Bimetal thermometers in chemical production often have to be used in liquid and gasoline environments. Has good corrosion resistance to protect the pipeline. Will not be affected by the measurement conditions and will not produce corrosion problems that have an effect on the quality of measurement.
High pressure-bearing capacity. Has good pressure-bearing capability, may be measured beneath different stress 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 probably the most correct 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 kind a watery slurry.
Insert the thermometer probe into the container, making sure to not contact the aspect, 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, ensure the probe does not contact the perimeters or backside of the pot. three.
The temperature must be 212°F (100°C). Record the distinction and offset the thermometer as needed. Please observe that the boiling level of water varies with altitude. Use this handy water boiling point calculator to search out the right temperature in your altitude.
Bimetallic stem thermometer applications

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 gas media in the vary of -80℃~500℃ in varied 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 within the vary of -80℃~500℃ in varied manufacturing processes.
Explosion-proof bimetal thermometer can directly measure the presence of explosives corresponding to hydrocarbons on the site. Directly measure the temperature of liquid, steam and gaseous media within the vary of -80℃~500℃ in various production processes.
Remote bimetal thermometer can instantly learn the location temperature. And the temperature sign may 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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