ME 782 Pressure Sensor Piezoresistive Flush Membrane with signal conditioning

Precision pressure sensing for aggressive environments

Introducing ME 782 Pressure Sensors – the pinnacle of precision and durability! Built with a ceramic base plate and flush diaphragm using the piezoresistive principle, these sensors feature a Wheatstone bridge on the ceramic, integrated signal conditioning electronics for I2C output, and electronic calibration through the onboard ASIC, available in bar or psi. The electronics provide offset and span correction, while the Zero Correction software compensates for offset shifts during assembly. With EMC compliance, patented design, and EEPROM for traceability and custom calibration, ME 782 sensors excel in handling aggressive media. Trust in ME 782 for unrivalled precision and long-term stability in pressure sensing.

ME 782 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.

Full Specifications: ME 782 Ceramic Pressure Transducer

The ME782 Pressure Sensor is a versatile and reliable device designed to measure pressure accurately across a wide range of applications. With a pressure range spanning from 0.5 to 600 bar (7 to 8700 psi), it can handle various pressure levels with ease. Whether it’s absolute, gauge, or sealed gauge pressure, the ME782 can accommodate different pressure types, making it suitable for diverse industrial processes. 

The sensor utilises piezoresistive technology with surface-mounted signal conditioning, ensuring precise and stable readings. Its flush mount structure and 18.00mm diameter provide easy integration and installation. The sensor’s digital I2C 15-bit signal output allows for seamless connectivity and data transfer, facilitating real-time monitoring and analysis. The ME782 Pressure Sensor stands as a reliable and efficient solution for pressure measurement requirements across different industries.

Features

The ME 782 Ceramic Pressure Transducer is particularly valued for its excellent resistance to corrosion and abrasion, making it ideal for use in harsh environments where aggressive chemicals or abrasive media are present. This robust resistance ensures long-term reliability and accuracy, even when the sensor is exposed to challenging process fluids or cleaning cycles, which is especially important in industries such as chemical processing, water treatment, and food and beverage production.

Another key feature is its fully integrated signal conditioning, which simplifies installation and operation by providing a standardized output signal. This integration reduces the need for external electronics, minimizes wiring complexity, and enhances overall system reliability. As a result, the transducer is well-suited for applications where straightforward integration into control systems is required, such as in industrial automation and process monitoring.

The ME 782 is also EMC compliant, meaning it is designed to operate reliably in environments with significant electromagnetic interference. This compliance is crucial in modern industrial settings, where numerous electronic devices operate in close proximity. By ensuring stable performance in the presence of electromagnetic noise, the transducer is a dependable choice for use in facilities with complex electrical infrastructure.

Thermally compensated design is another important application-related feature of the ME 782. The transducer maintains high accuracy across a wide temperature range, which is essential for processes where temperature fluctuations are common. This makes it suitable for outdoor installations, HVAC systems, and other temperature-sensitive environments, as it can deliver precise pressure readings regardless of ambient conditions.

Finally, the ME 782 incorporates zero stress mounting software, which helps to eliminate errors caused by mechanical stresses during installation. This feature ensures that the sensor’s performance is not compromised by mounting conditions, making it ideal for applications where precise and repeatable measurements are critical, such as in laboratory instrumentation or high-precision industrial processes.

To download the latest datasheet click here: ME782
Read more about this product here.
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