Maximizing Accuracy and Efficiency: The Benefits of Using Head Mount Temperature Transmitters in Industrial Applications

A head mount temperature transmitter is crucial in industrial control instrumentation, particularly in processes where precise temperature measurement and control are essential. The transmitter is mounted directly on or near the temperature sensor in the sensor housing, in the protective enclosure known as a "connection head" or "thermowell head." The transmitter fits into or onto this head, making it a part of the sensor assembly. Here's a detailed description of its functionality and value:

Functionality

• Temperature Sensing: The primary function of a head mount temperature transmitter is to sense temperature and connect with a temperature sensor, such as a thermocouple or a Resistance Temperature Detector (RTD).
• Signal Conversion: The transmitter converts the raw signal from the sensor into a standardized signal, usually a 4-20 mA current signal, although it can also be a digital signal like HART, Foundation Fieldbus, or PROFIBUS.
• Signal Isolation and Amplification: These transmitters isolate and amplify the signal for more accurate and reliable readings, essential in industrial environments where electrical noise or long transmission distances could affect signal integrity.
•  Local Mounting: As the name suggests, head mount transmitters are mounted directly on or near the sensor, typically in the connection head of the temperature sensor. This proximity minimizes signal degradation that can occur over long distances.

Value in Industrial Applications

• Accuracy and Stability: By converting the signal close to the sensor, head mount transmitters reduce potential errors and losses in signal transmission, leading to more accurate and stable measurements.
• Reduced Wiring Costs: Wiring requirements are simple, reducing installation and maintenance costs because of the standardized signal.
• Improved Noise Immunity: Proximity minimizes the impact of electrical noise, which is especially valuable in industrial environments with high electromagnetic interference.
• Ease of Integration: Standardized output signals make integrating these transmitters into a wide range of control and data acquisition systems easier.
• Environmental Protection: Many head mount transmitters come with robust, weatherproof enclosures, making them suitable for harsh industrial environments.
• Flexibility and Scalability: They offer flexibility regarding sensor types and signal outputs, making them adaptable to various applications and scalable for future expansions or modifications in the process control system.

In summary, head-mount temperature transmitters play a pivotal role in industrial control systems by enhancing temperature measurements' accuracy, reliability, and efficiency. Their integration into process control systems provides significant value in terms of operational stability, cost efficiency, and adaptability to various industrial environments.

Piping Specialties / PSI Controls
https://psi-team.com
800-223-1468

The REOTEMP Model W Explosion Proof, Field Mounted, HART Temperature Transmitter

Process control instrumentation monitors and controls a process to maintain proper functioning standards and keep it within a proper functioning and safe operating range. Process variables are the parameters or quantities maintained to keep the process within desired and acceptable limits. Instrumentation systems compare process variables to a desired setpoint and then produce offsetting and corrective control outputs. 

Typical process variables are level, flow, temperature, density, pH (acidity or alkalinity), mass, and conductivity. 

Temperature is a measurement of how hot or cold something is, whether it's an object or a process medium. The temperature setpoint is the process variable's target value for optimum control, quality, and safety. In a process where the temperature stays within plus or minus 1 degree Celsius of 100℃, the setpoint is 100. 

Temperature transmitters are instruments that convert a weak thermocouple or RTD signal to a robust analog (4-20mA or HART) or digital (Profibus or Fieldbus) signal. The temperature sensor and the final control device communicate through the transmitter. Since transmitters provide more robust analog or digital outputs, external signal conditioning and amplification devices are eliminated, thus lowering costs.

The REOTEMP Model W Explosion Proof Field Mounted HART Temperature Transmitter includes a local display, HART compatibility, and a 4-20mA output. The field-mounted transmitter is available as a complete RTD or thermocouple assembly customized to your process. 

The REOTEMP Model W includes linearized temperature measurement with TC and RTD sensors (Pt100 and Ni100) inputs, local display, HART communication, and 4-20 mA analog PV output for individual, difference, or average temperature measurement. It can handle two RTD or TC input sensors, and up to 63 transmitters (HART 7) can connect in a multidrop communication setup.

For more infomration about REOTEMP products in New England, contact PSI Controls / Piping Specialties, Inc. Call 800-223-1468 or visit https://psi-team.com.