Pressure sensors

Pressure sensors function by converting mechanical pressure into an electrical signal. Piezoresistive Sensors are often used in electronics. These use a silicon membrane with integrated resistance elements whose electrical properties change when mechanically deformed by pressure. The change is converted into a precise output signal by evaluation electronics, which is used for further processing in control systems, displays or warning systems. Modern pressure sensors are often based on MEMS technology, which enables a particularly compact design with high accuracy. Depending on the application, they are either uncompensated - with millivolt output and individual calibration - or already temperature and pressure compensated. As a distributor, Rotima offers high-quality pressure sensors in cooperation with Bourns. These are particularly suitable for industrial and OEM applications and are characterized by reliability, adaptability and fast availability.

Pressure sensors are used in industry wherever pressure conditions need to be monitored, controlled or documented. Typical applications include pneumatic and hydraulic systems, industrial process monitoring, HVAC systems, medical technology and the automotive industry. In automation technology, pressure sensors are used to monitor air and fluid flows. In energy technology, for example, they measure the operating pressure in storage systems. Particularly compact, MEMS-based sensors are suitable for mobile or space-critical applications such as portable medical devices or electronic control units. Bourns' BPS Series pressure sensors, available through Rotima, offer high resolution, fast response times and flexible customization for such applications. They are available as uncompensated versions for self-calibration as well as fully pre-calibrated and temperature-compensated models - ideal for flexible use in demanding environments.

Pressure sensors fall into two main categories: uncompensated and compensated sensors. Uncompensated pressure sensors, such as Bourns' BPS300 series, provide a pure millivolt output signal directly from the sensing element. These sensors are characterized by their high resolution and particularly fast response times. However, they require external compensation for temperature and offset, which makes them ideal for flexible, customer-specific solutions. Compensated pressure sensors, on the other hand, are already internally calibrated and temperature-compensated. They provide a standardized output signal that can be integrated into systems without additional processing. These pressure sensors are particularly suitable for applications with standardized requirements and low integration effort. As a distributor, Rotima offers both variants and supports its customers in selecting the right sensor type. Depending on the project requirements, compensated sensors deliver a faster time to market, while uncompensated sensors offer more design freedom.

Pressure sensors with MEMS technology offer numerous advantages over conventional measuring principles. MEMS stands for Micro-Electro-Mechanical Systems - these are micromechanically manufactured silicon-based components that are particularly small, light and energy-efficient. MEMS pressure sensors have an integrated silicon membrane with piezoresistive elements that enable high-precision measurements. Thanks to their miniaturization, they are ideal for space-critical applications, for example in medical technology or in the field of mobile control technology. The fast response time and high long-term stability make MEMS pressure sensors a reliable solution in demanding industrial applications.

In cooperation with Bourns, Rotima distributes high-performance MEMS-based pressure sensors of the BPS series. These models are available in both uncompensated and compensated versions and can be customized to meet specific requirements for maximum efficiency and precision in the field.

Pressure sensors with integrated temperature compensation offer the advantage that their measurement results remain stable and precise even when ambient temperatures fluctuate greatly. Temperature changes influence the behavior of piezoresistive elements, which can lead to measurement errors with uncompensated Sensors. Thanks to the internal calibration and compensation circuit, compensated sensors provide a reliable, standardized output signal - independent of temperature drift or offset shift. This facilitates integration into electronic systems and saves development effort on the part of the user. Temperature compensation is a decisive factor, especially in sensitive areas such as medical technology, measurement and control technology or outdoor applications. Rotima offers a wide range of compensated pressure sensors from Bourns, including models from the BPS110 to BPS170 series. These are characterized by their miniature design, high accuracy and reliable performance under variable operating conditions. Ideal for those who require precise pressure measurement under varying environmental conditions.