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MPM4891B Pressure transmitter

MPM4891B Pressure transmitter
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Features •Safe, reliable • Short circuit protection and reversed polarity protection • 2-wire current output • Manual zero-clearing function • Manual secondary calibration • compact size, easy installation Introduction MPM4891B is newly developed pressure transmitter parts with high accuracy and stability. It is made up of piezo-resistive pressure sensor and specialized processing circuit. It is stable, reliable, compact in size. With zero clearing button and manual pressure calibration function, it is easy for operation. MPM4891B is with OEM package, suitable for application and development for various pressure transmitter. Specifications Range: 0kPa~10kPa...40MPa Overpressure: 1.5FS Pressure Type: Gauge, Absolute or Sealed Gauge Accuracy: ±0.5%FS Power Supply: 11V~28V DC Output: 4mA~20mA DC (2-wire) Load Resistance: < (U-11) / 0.02 (Q) Zero Thermal Drift: ±0.02°/oFS/oC FS Thermal Drift: ±0.02%FS/C Long-term Stability: ±0.3%FS/year Operation Temperature: -25C~75C Storage Temperature: -40C~80C Relative Humidity: 0%~85% O-ring: Viton Diaphragm: SS316L Leading Wire: silicone rubber Gross Weight: 22g Media Compatibility: liquid or gas compatible with stainless steel and viton Button Function 1. Without pressure, press the button for 5s for zero clearing, it outputs 4mA DC. 2. If the transmitter is excited while pressing the button, it enters calibration mode, the output can be calibrated by LED indication. Please see below chart for functions. http: //www.microsensor. cn Add: No.18,Yingda Road Baoji,P.R.China,721006 Tel: 0917-3600739/3600832 Fax: 0917-3600755 MICRO SENSOR CO.,LTD. - 1 -

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1. Please pay attention to protect sensor isolated diaphragm to avoid damaging the sensor or affecting the performance. 2. Please make sure the measured media shall be compatible with the contacting material. 3. If users have special requirement, please contact us freely. MICRO SENSOR CO.,LTD. -2 -

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