M3021-000005-250PG

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Pressure sensors, transducers, and switches are used in many applications and devices to measure and control pressure. The M3021-000005-250PG is a popular and reliable pressure sensor made by Omega Engineering. This article will discuss the application field and working principle of the M3021-000005-250PG pressure sensor.

The M3021-000005-250PG is an industrial pressure sensor, designed to measure relative pressure in gases and liquids. It is a piezoresistive-based sensor with excellent performance and accuracy. The M3021-000005-250PG is commonly used in industrial applications, such as machine control, process control, valve control, pressure monitoring, and control systems. It is also used in HVAC and medical applications, as well as in the aerospace industry.

The sensor has a pressure range of 0-250 psi (0-17.2 bar). It is constructed from stainless steel, and is hermetically sealed for protective performance even under extreme conditions. The M3021-000005-250PG is also designed to be compact, rugged, and reliable. It is rated for use in temperatures of -40°C to 150°C (-40°F to 302°F) and is protected from dust, water, shock, and vibration.

The M3021-000005-250PG works by measuring the deflection of a diaphragm, which is made from stainless steel. The diaphragm is exposed to the pressure to be measured, and is connected to a Wheatstone bridge circuit where two resistors are connected to the diaphragm and two resistors are fixed in a constant bridge balance. When the pressure increases, the diaphragm deflects and changes the balance of the bridge, causing a change in resistance. This change in resistance can then be measured and converted into an electrical signal.

The output signal of the sensor is a mV signal, which can be used to interface with other controllers or electronics. It is a linear signal, meaning that the mV output is directly proportional to the applied pressure. The output signal is also protected against noise, heat, and vibration, so it can be used for accurate and reliable readings even in harsh environments.

The M3021-000005-250PG pressure sensor is ideal for use in a wide range of applications. It is reliable, compact, and able to withstand extreme temperatures and conditions. Its piezoresistive-based design ensures accurate and consistent readings, and its linear mV output signals make it easy to interface with digital pressure controllers or other electronic devices. Overall, the M3021-000005-250PG is an excellent choice for high-accuracy pressure sensing applications.

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