Why Use Combined Pressure and Temperature Sensors

July 21, 2025

Combined Pressure and Temperature Sensors: Features, Benefits & Industrial Applications

Combined pressure and temperature sensors are becoming increasingly vital in modern engineering and industrial systems. These compact, dual-function devices are designed to measure two of the most critical physical parameters, pressure and temperature, together from a single sensing point. By integrating both measurements into one unit, they simplify system architecture, reduce installation time, and improve data accuracy. Their versatility and efficiency make them ideal for a wide range of applications, from automotive systems to industrial automation and HVAC control.

At their core, combined pressure and temperature sensors are multifunctional devices that integrate two sensing technologies into one housing. Typically, they use a piezoresistive or capacitive element to measure pressure and a thermistor or RTD (Resistance Temperature Detector) to measure temperature. This integration allows for simultaneous monitoring of both parameters from the same location, which is particularly useful in systems where pressure and temperature are interdependent.

By eliminating the need for two separate sensors, these devices not only save space but also reduce wiring complexity and improve the synchronization of data. This makes them especially valuable in dynamic environments where real-time monitoring and control are essential.

Key Features and Benefits

Combined sensors are engineered to deliver high performance in demanding conditions. Their design and functionality offer several advantages that make them a preferred choice across industries.

Dual Measurement Capability: With the ability to monitor both pressure and temperature simultaneously, these sensors reduce the number of components required in a system. This leads to simpler designs, fewer potential failure points, and easier maintenance.
Compact Design: In applications where space is limited, such as electric vehicles, aerospace systems, or compact industrial machinery, having a single sensor that performs two functions is a game-changer.
High Accuracy and Reliability: Advanced sensing elements ensure precise readings, which are critical for maintaining system performance, safety, and efficiency.
Durability in Harsh Environment: Many models are designed to operate under extreme temperatures, high vibration, and exposure to moisture or chemicals, making them suitable for rugged industrial and automotive settings.
Flexible output options: The selection include analog (e.g., 4–20 mA, voltage) and digital (e.g., CAN, I2C) formats. This flexibility allows for easy integration into a wide variety of control systems.
Cost and time efficiency: By combining two sensors into one, they reduce installation time, simplify inventory management, and lower long-term maintenance costs.

How Pressure and Temperature Sensors Help?

There are several compelling reasons to choose combined pressure and temperature sensors over separate devices. The major reason of using a dual pressure and temperature sensor is its ability to conserve space, which is a crucial factor in environments where every millimetre counts. With the simplified system architecture and fewer components to install and manage, systems become less complex and more reliable.

They also offer improved data synchronization. Since both measurements are taken from the same location, the data is inherently more accurate and easier to correlate, which is particularly important in control systems and diagnostics.

Another key advantage is enhanced design flexibility. Engineers can create more compact and efficient systems without sacrificing functionality. This is especially beneficial in applications where space and weight are at a premium.

Finally, these sensors help reduce installation and maintenance costs. With fewer devices to install, calibrate, and maintain, the overall cost of ownership is significantly lower.

Applications Across Industries

The versatility of combined pressure and temperature sensors makes them suitable for a broad range of applications. Their ability to deliver accurate, real-time data from a single point of measurement is especially valuable in systems where both parameters must be closely monitored.

This is especially applicable in the motorsport industry, where compact, lightweight components are essential for performance and design efficiency. By combining two sensing functions into a single unit, these sensors reduce clutter, simplify installation, and contribute to a cleaner and more streamlined system layout. This integration also minimizes wiring and potential failure points, making it a smart choice for high-performance applications.

In the automotive and electric vehicle (EV) industry, these sensors are used to monitor coolant pressure and temperature in battery thermal management systems. Their compact size and reliability make them ideal for use in tight engine compartments and high-performance environments.

In industrial automation, they are deployed in hydraulic and pneumatic systems to detect pressure drops and overheating. This enables predictive maintenance and helps prevent costly downtime.

In HVAC and refrigeration systems, these sensors are essential for monitoring refrigerant conditions. Accurate pressure and temperature readings help maintain system efficiency, ensure safety, and support compliance with environmental regulations.

In the aerospace and defence sectors, combined sensors are used in fuel systems and environmental control units. Their ability to operate reliably under extreme conditions makes them a critical component in mission-critical applications.

In medical equipment, such as sterilization systems and respiratory devices, these sensors ensure safe and effective operation by providing precise control over pressure and temperature.

Featured Models from MeasureX Australia

MeasureX Australia supplies a range of high-performance pressure temperature sensors designed for industrial and high-temperature applications. These include:

MRQ24 – Melt Pressure and Temperature Transmitter