ME 550 Flush Diaphragm, Capacitive Ceramic Pressure Sensor

Flush-diaphragm ceramic sensor for ultra-low pressures

Discover the ME 550 Pressure Sensors, utilising capacitive technology for unparalleled precision in pressure measurements. Built with a ceramic base plate and flush diaphragm, the sensor’s capacitance variation captures accurate readings. A screen-printed moving capacitor plate on the flush ceramic diaphragm enables direct exposure to the measured medium. The special filter (PCS) safeguards the vent hole from humidity and dirt. ME 550’s wide 32.4mm diameter excels in measuring ultra-low pressures down to 60 mbar, while maintaining high burst pressure for reliability. With excellent chemical resistance from Al2O3 ceramic, additional protection is rarely needed. Gauge or absolute versions are available to cater to your needs. Elevate your pressure sensing capabilities with the advanced ME 550.

ME 550 Ceramic Pressure Sensor Product Parameters

  • Pressure Ranges: Nominal full scale output (FSO) pressure ranges in bar: 0.060, 0.160, 0.400, 1, 2, 5, 10, 20; and in psi: 0.9, 2.3, 5.8, 14.5, 29.0, 72.5, 145.0, 290.0.
  • Output Signal: The sensor technology is capacitive / ratio, but specific output signal details are not provided.
  • Accuracy: Includes non-linearity (max ±12.0% FS), hysteresis (max ±0.1% FS), and stability (max ±0.2% FS).
  • Media Compatibility: Suitable for absolute (A) or gauge (R) pressure measurements, with a base and diaphragm material of Ceramic Al2O3 96% or ≥ 99.6%.
  • Special Features: Features include a response time of ≤ 10 ms, a life cycle of over 1,000,000, operating and storage temperatures ranging from -40°C to +135°C and -40°C to +150°C respectively, and compliance with REACH, RoHS, and Conflict Minerals Free. The sensor undergoes extensive reliability tests.

ME 550 Ceramic Pressure Sensor Key Feature Breakdown

The ME550 Pressure Sensor offers precise pressure measurement capabilities across a wide range of applications. With pressure ranges varying from 0.16 to 20 bar (7 to 1450 psi) full-scale output, this sensor can handle various pressure intensities. Supporting both Absolute and Gauge pressure types, it caters to different measurement requirements. Built on capacitive technology, the ME550 ensures accuracy and reliability in its readings. 

The sensor boasts a compact 32.00.00 mm diameter and a flush mount structure, making it suitable for installations where space is limited or aesthetic considerations are important. Its signal output is provided in the form of a Differential mV/V Signal, enabling seamless integration into existing systems. Whether for industrial processes, automotive applications, or other pressure-sensitive tasks, the ME550 is a dependable choice for precise and efficient pressure sensing.

Features

The ME 550 Ceramic Pressure Sensor is particularly valued for its high resistance to corrosion and abrasions, making it an excellent choice for environments where aggressive chemicals or abrasive media are present. This property allows the sensor to be used reliably in industries such as chemical processing, wastewater treatment, and food and beverage production, where exposure to harsh substances is common and sensor longevity is critical.

Another key feature is its high sensitivity at very low pressure, which enables the ME 550 to detect and measure minute changes in pressure with great accuracy. This makes it ideal for applications such as medical devices, environmental monitoring, and laboratory instrumentation, where precise pressure readings at low ranges are essential for safety, quality control, and research purposes.

The sensor also boasts a high burst pressure, meaning it can withstand sudden spikes or surges in pressure without sustaining damage. This characteristic is crucial in industrial automation, hydraulic systems, and process control, where unexpected pressure fluctuations can occur. The robust design ensures operational safety and reduces the risk of sensor failure in demanding conditions.

Finally, the ME 550 offers high immunity to disturbances, such as electromagnetic interference or mechanical vibrations. This makes it suitable for use in environments with significant electrical noise or mechanical movement, such as automotive systems, industrial machinery, and power generation facilities. The sensor’s stability and reliability in these challenging settings help maintain accurate pressure monitoring and system performance.

To download the latest datasheet click here: ME550
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