991PB24

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991PB24 is a high performance silicon-on sapphire (SOS) applied pressure transducer, commonly used in industrial process control instruments. It is a highly sensitive and reliable pressure transducer suitable for a variety of applications such as fluid pressure and gas pressure measurement, liquid level control, altitude and airspeed indication, overpressure protection and other related measurement or control applications. The 991PB24 has also been widely accepted for use in astronautics systems and static pressure measurement.

The 991PB24 has an accuracy of 0.03% span or 0.015% of full scale and a sensitivity range of up to 1 mV/V. A single range measures a variety of pressures from -1 to +6 bar. It is shockproof and vibration proof, and has a low temperature coefficient of 0.02 %/°C. The 991PB24 also offers an additional 0.5 - 10 bar range in two separate versions.

The 991PB24 pressure transducer utilizes a double bridge circuit, which consists of two Wheatstone bridges connected in series. A voltage is applied to the two Wheatstone bridges, producing two sensing signals that are used to measure the pressure on the sensor. The resulting signals are then amplified by a differential amplifier and processed by a microcontroller. The microcontroller then calculates the pressure value from the measured voltage.

The 991PB24 pressure transducer also features an additional electronic module, which provides additional functionality for different applications. This includes analog and digital outputs, buffer module, alarm monitoring, calibration and fault analysis. It also offers programmable features such as digital filtering, temperature compensation and pressure control.

The 991PB24 pressure transducer is also used for a wide range of other applications such as geotechnical studies, safety systems, process control, automotive, medical, marine and human engineering applications. It is suitable for use in harsh environments and can withstand extreme temperatures and pressure changes. It can be used for both hydraulic and pneumatic systems and is designed for long-term reliability and accuracy.

In conclusion, the 991PB24 pressure transducer is an advanced and highly reliable sensor suited for a wide variety of applications, from aerospace to industrial process control. Its high accuracy and durability make it an excellent choice for high performance applications in harsh environments.

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