ML300PS2PG

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Pressure sensors and transducers have been used in various different types of applications over the past few decades, such as process control, process monitoring, leak detection, data logging, industrial automation, flow measurements, level measurements, and more. The ML300PS2PG is an excellent example of a pressure sensor/transducer specifically designed for the purpose of measuring extremely low pressures in various liquid and gaseous media. In this article, we will discuss the field applications and working principle behind the ML300PS2PG.

Application Field

The ML300PS2PG is a general-purpose pressure sensor/transducer that can measure various pressures in a variety of liquid and gaseous media. It is designed to measure extremely low pressures and can be used in numerous applications, such as monitoring flow, detecting leaks, data logging, industrial automation, and more. By using an integrated circuit, the ML300PS2PG can measure and display the actual pressure in a variety of media. Its wide dynamic pressure range makes it especially useful for measuring flow in air or various gases.

The ML300PS2PG is capable of measuring pressures from 0 - 5mbar and can be used in both positive and negative pressure applications. It is equipped with a robust stainless steel body and can operate in temperatures ranging from -60°C to 85°C. With its IP67 rating, it is water resistant and capable of operating in hostile environments. Additionally, the ML300PS2PG is equipped with an internal temperature sensor that allows for temperature compensation to improve accuracy. Furthermore, it has a low output impedance, fast response time, and a low power consumption rate.

Working Principle

The ML300PS2PG is based on the principle of a resistive-strain gauge. A strain gauge is a device that measures the strain or the change in the resistance of a material when subjected to an external force. In the ML300PS2PG, a piezoresistive bridge is used to sense the pressure applied to the membrane. This bridge consists of four resistors arranged in a Wheatstone-bridge configuration. Each of these resistors has unique characteristics in terms of their sensitivities and non-linearity.

When subjected to pressure, the resistors in the bridge all stretch, thereby changing the resistance of the bridge. This change is proportional to the applied pressure and is detected by a differential amplifier. The amplifier amplifies the signal and sends the amplified signal to an ADC (analog-to-digital converter). The ADC then converts the analog signal to a digital form, which is then sent to the host interface for further processing.

The ML300PS2PG is also equipped with an internal temperature sensor that allows for temperature compensation. This ensures that the output signal is accurate and reliable at all times, even when subjected to temperature changes. The output signal is also calibrated for accuracy and can be interfaced with most systems.

Conclusion

In conclusion, the ML300PS2PG is an extremely accurate and reliable pressure sensor/transducer that can measure and display pressure in a variety of liquid and gaseous media. It is based on the principle of a resistive strain gauge and is equipped with an integrated circuit and internal temperature sensor. The ML300PS2PG has a wide dynamic pressure range and low power consumption rate, and is well-suited for a wide variety of applications. As a result, it is an ideal solution for measuring low pressure in a variety of media.

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