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MPM4891B Pressure transmitter

MPM4891B Pressure transmitter

MPM4891B Pressure transmitter

Product catalog summary
Introduction
The MPM4891B is a newly developed pressure transmitter known for its high accuracy and stability. It features a piezo-resistive pressure sensor and a specialized processing circuit, ensuring reliability and compactness. The device includes a zero-clearing button and manual pressure calibration for ease of operation, making it suitable for various pressure transmitter applications.

Features
  • Safe and reliable with short circuit and reversed polarity protection.
  • 2-wire current output.
  • Manual zero-clearing and secondary calibration functions.
  • Compact size for easy installation.

Specifications
  • Pressure Range: 0kPa to 10kPa up to 40MPa.
  • Overpressure: 1.5 times full scale (FS).
  • Pressure Types: Gauge, Absolute, or Sealed Gauge.
  • Accuracy: ±0.5% FS.
  • Power Supply: 11V to 28V DC.
  • Output: 4mA to 20mA DC (2-wire).
  • Load Resistance: ≤ (U-11) / 0.02 Ω.
  • Zero Thermal Drift: ±0.02% FS/°C.
  • FS Thermal Drift: ±0.02% FS/°C.
  • Long-term Stability: ±0.3% FS/year.
  • Operating Temperature: -25°C to 75°C.
  • Storage Temperature: -40°C to 80°C.
  • Relative Humidity: 0% to 85%.
  • Materials: Viton O-ring, SS316L diaphragm, silicone rubber leading wire.
  • Gross Weight: 22g.
  • Media Compatibility: Compatible with liquids or gases that do not corrode stainless steel and Viton.

Button Functionality
  • Zero Clearing: Press the button for 5 seconds without pressure to output 4mA DC.
  • Calibration Mode: Entered by exciting the power supply while pressing the button, with LED indications for calibration steps.

Outline Construction and Installation
  • Dimensions vary based on pressure range, with specific measurements provided for ranges ≤ 3.5MPa and ≥ 7MPa.
  • Electric Connection: Red wire for +V, Black wire for 0V/+OUT.

Order Guide
  • Specify range, output, construction material, and pressure type when ordering.

Notes
  • Protect the sensor's isolated diaphragm to prevent damage or performance issues.
  • Ensure media compatibility with contacting materials.
  • Contact the manufacturer for special requirements.
See more

Catalog excerpts

MPM4891B Pressure transmitter-1

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 -

 Open the catalog to page 1
MPM4891B Pressure transmitter-2

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 -

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.