White Paper: How to specify pressure sensor for....

Learn about common challenges and key specifications to consider when selecting pressure sensors for hydraulic systems with pressures greater than 50 bar (725 psi).

Hydraulic applications rely on fluid power or the use of pressurized fluids to generate, control and transmit power. These types of systems can produce high power and high forces in small volumes and have long service lives. Fluid power is used in a wide range of industrial applications including self-propelled scissor lifts, injection molding, machine tools, steel making and metal extraction, paper industries, textile machinery, disability lifts and security and parking barriers.

Pressure sensors are critical components in these systems, where they are used in a control loop with a Program Logic Controller (PLC) to help control the fluid pumps and ensure the system pressure is within a specified range. If a pressure sensor was to fail in these types of applications, the feedback to the control of a motor would be interrupted. This could lead to equipment failure, costly downtime or potential safety issues for workers using the equipment.

Understanding the environment and operating conditions of an application is necessary to specify the best pressure sensor for a system. In hydraulic applications, addressing some of the most common challenges will help determine the right specifications for the job. High Pressure These applications are characterized by high fluid pressures of greater than 50 bar (725 psi), which means robust components designed specifically to handle higher pressures are required to maintain safe and reliable operation. In many of these systems, the fluids may be hazardous and in combination with the high pressures and temperatures, mean that a leak could be very dangerous....

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