ME782
Metallux
ME78x and MEP78x pressure sensors are made with a ceramic base cell and a flush
diaphragm and work following the piezoresistive principle. The Wheatstone
bridge is screen printed on one side of the flush ceramic diaphragm which, is
in turn, glued to the sensor’s body. The bridge faces the inside where a cavity
is made. Signal conditioning electronics are directly integrated on the ceramic
to generate 0.5…4.5 V ratiometric output (ME780) or I2C digital output code
(ME782). Pressure and temperature calibration are done electronically with the
onboard ASIC and can be performed in bar (ME78x) or in psi (MEP78x).
Electronics provides offset and span correction when the temperature changes.
Aging detection and compensation are constantly performed. This new method
guarantees good precision and long-term stability. The Metallux ME78x family
meets EMI requirements. The ASIC stores production lot specific data for sensor
traceability and allows custom calibration. Due to the excellent chemical
immunity of the the Al2O3 ceramic, the ME78x sensors are suitable for nearly
all aggressive media. Metallux ME78x are patented pressure sensors.
PRESSURE RANGE fso (bar) |
0.5-1-2-5-10-20-50-100-200-400-600 bar |
PRESSURE TYPE |
GAUGE - SEALED GAUGE - ABSOLUTE |
TECHNOLOGY |
PIEZORESISTIVE CERAMIC PRESSURE SENSOR |
DIAMETER (mm) |
18.00 mm |
STRUCTURE |
FLUSH DIAPHRAGM |
THERMAL DRIFT %FS/°C |
Calibrated |
SIGNAL CONDITIONING |
Yes, INTEGRATED ELECTRONICS |
OFFSET |
0.5 V, ratiometric output |
TERMINATION PITCH |
5 pads, 1.27 mm |
SIGNAL OUTPUT |
DIGITAL I2C (PRESSURE AND TEMPERATURE IN HEXADECIMAL CODE) |