Pressure Sensors

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ME670
PRESSURE RANGE fso (bar) 2-5-10-20-50-100-200-250-400 bar
PRESSURE TYPE GAUGE
TECHNOLOGY PIEZORESISTIVE CERAMIC PRESSURE SENSOR
DIAMETER (mm) 18.00 mm
STRUCTURE MONOLITHIC
THERMAL DRIFT %FS/°C ≤ ± 0.03 %FS/°K
SIGNAL CONDITIONING NO
OFFSET 0.0 ± 5.0 mV/V
TERMINATION PITCH 4 pads, 2.54 mm
SIGNAL OUTPUT DIFFERENTIAL SIGNAL mV/V

Metallux ME670 monolithic pressure sensor are made with ceramic cell and work following the piezoresistive principle. Metallux ME670 sensors offset is adjustable following customers’ specification and the sensors are also available thermally compensated by laser-adjustable PTC resistors. The Wheatstone bridge is screen printed directly on one side of the ceramic diaphragm by means of Thick Film technology. Layout is optimized to allow easy mounting of signal conditioning PCB when requested. The diaphragm’s opposite side can be exposed directly to the medium to be measured. Because of the Al2O3 ceramic excellent chemical resistance (aggressive gases, most of solvents and acids, etc.), no additional protection is normally required. Thanks to the reinforced outer area (monolithic structure), the sensor can be mounted in a plastic or metallic case by using O-ring. ME670 sensors are designed in such a way so that temperature changes and pressure overloads do not cause loss in reliability. Use of ceramic ensures high linearity across the entire range of measurement and minimizes effects of hysteresis.