7kPa Low Range Piezoresistive Pressure Sensor MPM281
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Catalog excerpts

7kPa Low Range Piezoresistive Pressure Sensor MPM281 - 1

Gas, liquid pressure measurement Liquid pressure system and switch Aviation and navigation inspection MPM281 High Stable Piezoresistive OEM Pressure Sensor Features • Pressure range 0 - 7kPa.. .100MPa • Gauge, absolute, sealed gauge • Constant current / Constant Voltage power supply • Isolated construction, enable to measure various media • 019mm standard OEM pressure sensor • Full stainless steel 316L • Wide temperature compensation -10°C - 80°C • Long-term stability^ 0.1%FS/year Application • Industrial process control • Level measurement • Pressure checking meter • Pressure calibrator • Cooling equipment and air conditioning system Introduction MPM281 high stable OEM sensor is the piezoresistive pressure sensor with isolated construction and precise compensation. It uses high stable silicon die, stainless steel 316L housing with diameter 019mm. Wider temperature compensation and zero correction are calibrated by laser trimming technics. The measured pressure is transmitted onto silicon die through 316L diaphragm and inner media, to transform the pressure to electric signal. MPM281 pressure sensor is inspected and screened on automatic production line, testing and checking time after time strictly. It is widely used for various pressure measurement fields. Electric Performance Power supply: <2.0mA DC; ^ 10V DC Electric connection: 90.5mm Kovar pin or 100mm silicon rubber flexible wires Common mode voltage output: 50% input (typ.) Input impedance: 3kO - 8kO Output impedance: 3.5kO - 6kO Response (10%-90%): <1ms Insulation resistor: 100M0, 100VDC Overpressure: 1.5 times FS Construction Performance Diaphragm: stainless steel 316L Housing: stainless steel 316L Pressure leading tube : stainless steel 316L Pin: Kovar O-ring: Viton Net weight: -16g MICRO SENSOR CO.,LTD

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7kPa Low Range Piezoresistive Pressure Sensor MPM281 - 2

Environment Condition Shock: no change at 10gRMS, (20-2000) Hz Impact: 100g, 11ms Media compatibility: the gas or liquid which is compatible with stainless steel and Viton Basic Condition Media temperature: (35±1)0C Environment temperature: (35±1)C Shock: 0.1g(1m/s2)Max Humidity: (50%±10%)RH Local air pressure: (86 - 106)kPa Power supply: (1.5±0.0015)mADC Outline Construction (Unit: mm) The suggested installation dimension is 019!°'°2 mm MICRO SENSOR CO.,LTD

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7kPa Low Range Piezoresistive Pressure Sensor MPM281 - 3

Note: The actual electric connection method, please check the parameter label enclosed with products. Order Guide MPM281 High Stable Piezoresistive OEM Pressure Sensor Range code Pressure range Ref. Range code Pressure range Ref. Code Pressure connection Code Compensation M Outer compensated resistor (providing resistor value) Code Electric connection 2* 100mm silicon rubber flexible wires Code Special measurement MICRO SENSOR CO.,LTD

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7kPa Low Range Piezoresistive Pressure Sensor MPM281 - 4

Notes 1 .It is recommended that the sensor should be installed as Suspended Mode to avoid face type seal and avoid affecting sensor stability. 2.Please pay attention to protect the diaphragm and the compensated board to prevent any damage or bad performance. 3.Temperature resistant range of standard Viton O-ring of sensor is -20 °C - 250 °C. When workingtemperature is lower than -20 C, or sensor is applied in critical environment, please contact us. MICRO SENSOR CO.,LTD

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