Equipment temperature transmitter is a device used to measure and convert equipment temperature. It can convert temperature information into electrical signal output, usually in standard 4-20mA current signal or 0-10V voltage signal. Let's take a technical analysis of its principle and advantages, and illustrate with an example.

Principle:

1. Sensor Measurement: The equipment temperature transmitter has a built-in temperature sensor, commonly using resistance temperature detectors (RTDs) like platinum resistance or thermistors. These sensors generate corresponding resistance values based on temperature changes.

2. Signal Conversion: The transmitter converts the measured resistance values of the sensor into corresponding electrical signal outputs. This conversion is usually achieved through analog circuits or digital signal processors. For example, the resistance values obtained from thermistors can be converted into voltage or current signals.

3. Calibration and Adjustment: To ensure that the output signal matches the actual temperature value, the equipment temperature transmitter typically requires calibration and adjustment. This can be done by providing a standard source with a known temperature or by adjusting as needed during usage.

4. Output Signal: Typically, the output signal of the equipment temperature transmitter is a standard 4-20mA current signal or a 0-10V voltage signal. These signals can be received and processed for monitoring, control, or recording temperature changes.

Advantages:

1. Long-Distance Transmission Capability: The 4-20mA current signal has good long-distance transmission capability, ensuring stable signal transmission in industrial environments without being affected by voltage drops.

2. Interference Resistance: Compared to voltage signals, current signals have better resistance to interference, ensuring stable and reliable data transmission in industrial environments.

3. Adaptation to Harsh Environments: Equipment temperature transmitters are usually designed for industrial-grade use, featuring durability and the ability to withstand harsh environments such as high temperatures, humidity, or corrosive gases.

4. Standardized Output: By converting temperature into standard electrical signals, equipment temperature transmitters can be used with various monitoring, control, and recording devices, enabling automated monitoring and control of production processes.

Example:

Let's consider an industrial production line that needs to monitor the temperature of a high-temperature reactor. A temperature transmitter is installed on the reactor, which measures the temperature using a sensor and converts it into a 4-20mA current signal output.

The control system of the industrial production line can receive this current signal and monitor the temperature in real-time based on preset temperature ranges. If the temperature exceeds the set range, the control system can automatically adjust the heating or cooling system of the reactor to maintain the temperature within the appropriate range.

This example illustrates the application of equipment temperature transmitters in industrial production, enabling accurate temperature monitoring and control to improve production efficiency and product quality.

Shaanxi Qianyi Tuoda Technology Co., Ltd. www.sxqytd.com Tel：+8618829679311

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