Temperature Sensors & Transmitters
Temperature sensors and transmitters are devices used to measure and transmit temperature data in various industrial, commercial, and scientific applications.
A temperature sensor can be classified into two main types: contact and non-contact sensors. Contact sensors, such as thermocouples and resistance temperature detectors (RTDs), are in direct contact with the object being measured and provide accurate temperature readings. Non-contact sensors, such as infrared sensors, use infrared radiation to measure temperature without the need for physical contact with the object.
A temperature transmitter converts the temperature data received from the sensors into electrical signals that can be transmitted to a control system, such as a PLC or DCS. It is commonly used in industrial automation applications, such as process control and monitoring.
One common type of temperature transmitter is the 4-20 mA transmitter. This type of transmitter converts the temperature data into a 4-20 mA current signal, which can be transmitted over long distances without loss of signal quality. Other types of temperature transmitters include thermocouple transmitters, RTD transmitters, and digital temperature transmitters.
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