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ME 780 Piezoresistive Pressure Sensor Flush Membrane with signal conditioning

Introducing ME 780 Pressure Sensors: Our patented ceramic-based sensors utilise the piezoresistive principle with a flush diaphragm and integrated Wheatstone bridge. Signal conditioning electronics on the ceramic generate a 0.5…4.5 V ratiometric output. Calibration is electronically performed with the onboard ASIC, available in bar (ME780) or psi (MEP780) options. The electronics ensure offset and span correction for temperature changes, while zero correction software compensates for offset shifts due to customer assembly. Meeting EMC requirements, the ME 782 family stores production data in the ASIC EEPROM, allowing custom calibration. Thanks to Al2O3 ceramic’s chemical resistance, ME 780 sensors handle aggressive media effortlessly, offering exceptional precision and long-term stability.

ME 780 Ceramic Pressure Transducer Product Parameters

  • Pressure Ranges: Nominal pressure ranges in bar: 0.5, 1, 2, 5, 10, 20, 50, 100, 200, 250, 400, 600; and in psi: 7.5, 15, 30, 100, 150, 400, 1000, 1500, 3000, 4000, 5000, 8500.
  • Output Signal: ME780 offers a ratiometric output range of 0.5…4.5 [V], while ME782 provides a digital I2C output.
  • Accuracy: Varies with temperature and calibration method, with options for high accuracy, standard accuracy, and calibration without thermal compensation, and a maximum accuracy deviation of ± 0.08 %FS/K.
  • Electrical Connections: Electrical rating of max. 6 mA (RLOAD ≥ 2 kΩ) for ME780 and 4.5 mA for ME782, with a supply voltage of 4.5…5.5 VDC for ME780 and either 3.3 or 5.0 VDC for ME782.
  • Media Compatibility: Suitable for measuring absolute (A), gauge (R), or sealed gauge (S) pressures.
  • Special Features: Features piezoresistive technology with electronic signal conditioning, a ceramic Al2O3 96%, 99.6% or sapphire diaphragm, a response time of ≤ 5 ms, and compliance with several EMC/ESD standards.

Product Highlights

The ME780 Pressure Sensor is a versatile and efficient device designed to measure pressure in various applications. With a wide pressure range from 0.5 to 600 bar (7 to 8700 psi), it caters to diverse industrial needs. The sensor supports multiple pressure types, including Absolute, Gauge, and Sealed Gauge, offering flexibility in different environments. Built on piezoresistive technology with surface-mounted signal conditioning, it ensures accurate and reliable readings. Its compact 18.00 mm diameter flush mount structure makes it easy to integrate into different systems seamlessly. The ME780 provides a ratiometric 0.5 – 4.5 V signal output, enabling simple interfacing with other devices. Whether used in manufacturing, automotive, or other sectors, the ME780 Pressure Sensor delivers precise and dependable pressure measurements, making it a preferred choice for professionals seeking high-quality sensor solutions.

Features

  • Excellent resistance to corrosion and abrasion
  • Fully integrated signal conditioning
  • EMC compliant
  • Thermally compensated
  • Zero stress mounting software
To download the latest datasheet click here: ME780

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