P51-3000-S-AF-I12-20MA-000-000

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Pressure sensors, transducers, play an important role in many industrial applications including navigation control, environmental monitoring, pump/flow control, building automation, and system testing. The P51-3000-S-AF-I12-20MA-000-000 is an example of one such device.

Application Field

The P51 is a high-performance and accurate pressure transducer suitable for a range of industries. It is designed for measuring absolute and positive gauge pressures of gas, liquid, or steam within a range of -100 MPa to +200 MPa. Its high accuracy of ±1 % FS guarantees reliable data over a wide operating temperature range of -20 °C to +60°C. It also offers excellent stability over a long term.

The ultrasonic media barrier and thick diaphragm ensure a fast response time and improved vibration resistance. Additionally, the P51 features an all-welded, corrosion-resistant stainless steel construction with a flat measuring surface for maximum usability. It is IP68 rated and available with a variety of electrical outputs including 4-20 mA, voltage, and CAN open.

The P51 has a wide range of applications and is suitable for a range of industries including medical, HVAC, and automotive. It can also be used for air flow control, process monitoring, safety monitoring, and oil/gas exploration.

Working Principle

The P51 is a piezoresistive pressure transducer. Piezoresistive pressure transducers employ a sensing element that consists of a semiconductor material such as a silicon diaphragm having integrated resistors. When the diaphragm is exposed to pressure, the resistance of the resistors changes according to the intensity of the pressure.

The P51 employs a Wheatstone bridge circuit to generate an accurate electrical output signal. The Wheatstone bridge is essentially a differential amplifier circuit that accurately measures the resistance of the integrated resistors. This signal is then converted to a standard 4-20 mA output signal and is suitable for direct integration into a variety of monitoring and control systems.

The Wheatstone bridge circuit also includes a temperature compensation feature that allows the P51 to accurately compensate for temperature variations in the environment. This ensures that the output signal remains accurate even in changing temperature conditions.

In summary, the P51 is a high-performance and accurate pressure transducer suitable for a range of industries. It employs a piezoresistive sensing element that accurately measures the resistance of integrated resistors and is capable of accurately compensating for temperature variations. Additionally, it offers excellent stability over a long term and is suitable for a variety of applications.

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