What do the temperature control probe sensor models k and e mean?

Temperature control probe sensors are devices used to measure temperature and are widely used in industry, medical treatment, scientific research and other fields. Among temperature control probe sensors, models K and E are two common types, which represent different temperature measurement principles and application scenarios. This article will introduce in detail the meaning, working principle, characteristics, application fields and how to choose the appropriate temperature control probe sensor of temperature control probe sensor models K and E.

1. Meaning of temperature control probe sensor models K and E

1. Meaning of Model K

Model K temperature control probe sensor is usually called K-type thermocouple. It is a sensor that uses the thermoelectric effect to measure temperature. K-type thermocouple is composed of two different metals or alloy materials (usually nickel-chromium alloy and nickel-silicon alloy), which are welded together at one end to form the measuring end of the thermocouple. When the measuring end contacts the object to be measured, due to the existence of temperature difference, thermoelectric potential will be generated in the thermocouple, thereby realizing temperature measurement.

1. Meaning of Model E

Model E temperature control probe sensor is usually called E-type thermocouple. Similar to K-type thermocouple, E-type thermocouple is also a sensor that uses thermoelectric effect to measure temperature. E-type thermocouple is composed of two different metals or alloy materials (usually nickel-chromium alloy and copper-nickel alloy), which are welded together at one end to form the measuring end of the thermocouple. When the measuring end contacts the object to be measured, thermoelectric potential is also generated to achieve temperature measurement.

2. Working principle of temperature control probe sensor models K and E

1. Thermoelectric effect

The working principle of the temperature control probe sensor models K and E is based on the thermoelectric effect. The thermoelectric effect refers to the phenomenon that when two different metals or alloys are in contact at different temperatures, an electric potential difference will be generated at the contact point. This phenomenon is caused by the different electron densities of the two materials, which leads to the redistribution of electrons at the contact point, thus generating an electric potential difference.

1. Thermocouple measurement principle

The measurement principle of temperature control probe sensor models K and E is to use the relationship between the thermoelectric potential generated by the thermocouple and the temperature. When the measuring end of the thermocouple contacts the object to be measured, a thermoelectric potential will be generated in the thermocouple due to the temperature difference. There is a certain linear relationship between this thermoelectric potential and the temperature. By measuring the magnitude of the thermoelectric potential, the temperature of the object to be measured can be calculated.

3. Characteristics of temperature control probe sensor models K and E

1. Wide measuring range

The temperature control probe sensor models K and E have a wide measurement range, with the K-type thermocouple measuring range typically between -200°C and 1300°C, and the E-type thermocouple measuring range typically between -200°C and 900°C. This enables them to meet the temperature measurement needs of different application scenarios.

1. High measurement accuracy

The temperature probe sensor models K and E have a high measurement accuracy, typically achieving an accuracy of ±0.5% to ±1%. This makes them advantageous in situations where high-precision temperature measurement is required.

1. Fast response time

The temperature probe sensor models K and E have a fast response speed and can complete the temperature measurement in a short time. This makes them advantageous in situations where fast temperature feedback is required.

1. Good stability

The temperature control probe sensor models K and E have good stability and can maintain high measurement accuracy and stability during long-term use.

4. Application fields of temperature control probe sensor models K and E

1. Industrial field

Temperature control probe sensor models K and E are widely used in industrial fields such as steel, chemical, electric power, petroleum and other industries. They can be used to measure furnace temperature, reactor temperature, pipeline temperature, etc. to ensure the stability and safety of the production process.

1. Medical field

In the medical field, temperature control probe sensor models K and E can be used to measure human body temperature, operating room temperature, medical device temperature, etc. to ensure the accuracy and safety of medical procedures.

1. Research Field

In the field of scientific research, temperature control probe sensor models K and E can be used for laboratory temperature control and measurement, such as chemical reaction temperature, experimental equipment temperature, etc.

1. Food processing field

In the field of food processing, temperature control probe sensor models K and E can be used to measure the temperature during food processing, such as baking, steaming, cooling, etc., to ensure the quality and taste of food.

5. How to choose a suitable temperature control probe sensor

1. Measuring range

When choosing a temperature control probe sensor, the first thing to consider is whether its measurement range meets the needs of the actual application. According to the temperature range of the object to be measured, select the appropriate temperature control probe sensor model.

1. Measurement accuracy

According to the actual application requirements for temperature measurement accuracy, select a temperature control probe sensor with corresponding accuracy. Generally speaking, the higher the accuracy, the higher the price will be.

1. Response speed

In situations where rapid temperature feedback is required, a temperature control probe sensor with a faster response speed should be selected. Generally speaking, the response speed of a thermocouple is related to its structure and material.