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ME 770 – Piezoresistive Pressure Sensor Flush Membrane with signal conditioning

Introducing ME 770 Pressure Sensors: Built with a ceramic base body and piezoresistive principle, featuring a Wheatstone bridge on the diaphragm’s inner side. Signal conditioning electronics create a 0.5…4.5 V ratiometric output. Pressure and temperature calibration are electronically done with the ASIC in bar (ME770) or psi (MEP770). Temperature changes are compensated with offset and span correction. Constant aging detection ensures precision and long-term stability. ME 770 family meets EMC requirements and offers sensor traceability and custom calibration through ASIC data storage. The Al2O3 ceramic grants immunity to aggressive media, making ME 770 sensors highly versatile and reliable.

ME 770 Ceramic Pressure Transducer Product Parameters

  • Pressure Ranges: Nominal pressure ranges from 0.5 to 600 bar, and corresponding psi ranges from 5 to 8500, with overload and burst pressure specifications.
  • Output Signal: ME770/MEP770 has a ratiometric output of 0.5…4.5 [V], ME771/MEP771 uses a current loop with 4…20 [mA], and ME772/MEP772 offers a non-ratiometric output of 0…10 [V].
  • Accuracy: Accuracy varies based on calibration and temperature range, with the highest accuracy at 25°C (±1.0-1.5% FS) and a maximum deviation of ± 0.08 %FS/K without thermal compensation.
  • Electrical Connections: Supply voltage ranges from 4.5 to 5.5 VDC for ME770/MEP770, 9 to 35 VDC for ME771/MEP771, and 12 to 35 VDC for ME772/MEP772.
  • Media Compatibility: Suitable for measuring absolute (A), gauge (R), or sealed gauge (S) pressures.
  • Special Features: Features include piezoresistive technology with electronic signal conditioning, ceramic Al2O3 diaphragm material, response time ≤ 5 ms, and compliance with various EMC/ESD standards.

     

Product Highlights

The ME770 Pressure Transducer is a versatile and efficient device designed to accurately measure pressure across a wide range of applications. Its pressure range spans from 0.5 to 800 bar, accommodating various pressure needs. Additionally, the unit offers an alternative pressure range in psi, from 7 to 11600, ensuring compatibility with international systems. The transducer supports different pressure types, including Absolute, Gauge, and Sealed Gauge, enabling precise measurements in diverse environments. Utilising Piezoresistive technology with signal conditioning, the ME770 guarantees reliable and consistent results. Its compact 18.00mm diameter, flush mount structure further facilitates easy installation and integration into systems. The transducer’s signal output operates on a Ratiometric scale, ranging from 0.5 to 4.5 V, ensuring a responsive and accurate representation of pressure variations. With its impressive features and adaptability, the ME770 Pressure Transducer proves to be an excellent choice for demanding pressure-sensing applications.

Features

  • Excellent resistance to corrosion and abrasion
  • Signal conditioning
  • EMC compliant
  • Thermally compensated
  • Zero stress mounting software

To download the latest datasheet click here: ME770

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