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MPM285 Pressure Sensor

MPM285 Pressure Sensor

MPM285 Pressure Sensor

Product catalog summary
Features
  • Cost-effective and compact design.
  • Utilizes internationally recognized brand chips with laser trimming for temperature compensation.
  • Pressure range from 0kPa to 3.5MPa, available in gauge and absolute types.
  • Supports constant current and voltage power supply.
  • Isolated construction suitable for various media measurements.
  • Standard OEM size with full stainless steel 316L construction.
Applications
  • Industrial process control and level measurement.
  • Gas and liquid pressure measurement.
  • Pressure checking meters and calibrators.
  • Cooling equipment, air conditioning systems, aviation, and navigation inspection.
Introduction

The MPM285 is a cost-effective piezoresistive pressure sensor, designed for compatibility with stainless steel and Viton. It is suitable for environments with limited installation space.

Electric Performance
  • Power supply: ≤2.0mA DC or ≤10V DC.
  • Electric connection via Kovar pin.
  • Common mode voltage output is typically 50% of input.
  • Input impedance ranges from 2.5kΩ to 5kΩ, and output impedance from 3.5kΩ to 6kΩ.
  • Response time is less than 1ms.
  • Insulation resistance is 100MΩ at 100VDC.
  • Overpressure capacity is 1.5 times the full scale.
Construction Performance
  • Diaphragm and housing made of stainless steel 316L.
  • Pin made of Kovar, with Viton O-ring.
  • Net weight is approximately 10g.
Environmental Conditions
  • Shock resistance: no change at 10gRMS, (20–2000)Hz.
  • Impact resistance: 100g, 11ms.
  • Compatible with gases or liquids that do not react with construction materials and Viton.
Basic Conditions
  • Media and environment temperature: 35±1℃.
  • Shock: 0.1g (1m/s²) Max.
  • Humidity: 50%±10% RH.
  • Local air pressure: 86–106kPa.
  • Power supply: 1.5±0.0015 mADC.
Basic Specifications
  • Linearity: ±0.2 to ±0.25 %FS, BFSL.
  • Repeatability and hysteresis: ±0.05 to ±0.075 %FS.
  • Zero output: ±2.0 mVDC; FS output: 50 mVDC.
  • Zero and span thermal error: ±0.75 to ±1.0 %FS at 35℃.
  • Compensated temperature range: 0 to 70℃.
  • Working and storage temperature range: -40 to 125℃.
  • Stability error: ±0.2 %FS/year.
Order Guide

Includes range codes for different pressure ranges and types (gauge, absolute, sealed gauge), pressure connection, compensation method, and electric connection options.

Order Notes
  • Recommended to use suspended construction for installation to maintain sensor stability.
  • Protect the sensor's isolated diaphragm and ceramic compensated board to avoid damage.
  • Standard Viton O-ring temperature range is -20℃ to 250℃. For temperatures below -20℃ or critical environments, contact the manufacturer.
See more

Catalog excerpts

MPM285 Pressure Sensor-1

Features • Cost Effective, Small size • Chip from international famous brand; Laser Trimming for temperature compensation • Pressure range:0kPa~ 100kPa...3.5MPa • Gauge, Absolute • Constant current/ Constant Voltage power supply • Isolated construction, enable to measure various media • 015mm standard OEM pressure sensor • Full stainless steel 316L Application • Industrial process control • Level measurement • Gas, liquid pressure measurement • Pressure checking meter • Pressure calibrator • Liquid pressure system and switch • Cooling equipment and air conditioning system • Aviation and navigation inspection Introduction MPM285 is an cost effective piezoresistive pressure sensor with small size. It has same outline, mounting dimensions and sealing methods as our other similar products, so it is highly interchangeable. It is widely used for pressure measurement of media which is compatible with stainless steel and Viton, especially the working site with limit installation space. Electric Performance Power supply: <2.0mADC; <10V DC Electric connection: Kovar pin Common mode voltage output: 50% of input (typ.) Input impedance: 2.5kO - 5kO Output impedance: 3.5k0^6k0 Response (10% - 90%): <1ms Insulation resistor: 100M0, 100VDC Overpressure: 1.5 times FS Construction Performance Diaphragm: stainless steel 316L Housing: stainless steel 316L Pin: Kovar O-ring: Viton Net weight: -10g Environment Condition Shock: no change at 10gRMS, (20 -2000)Hz Impact: 100g, 11ms Media compatibility: the gas or liquid which is compatible with construction material and Viton MICRO SENSOR CO.,LTD

 Open the catalog to page 1
MPM285 Pressure Sensor-2

Basic Condition Media temperature: (35±1)°C 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) m ADC Basic Specification *testing at basic condition, G: Gauge **Zero output for closed loop sensor. Outline Construction (Unit: mm) 2.5, 4 The suggested installation dimension is:<E> 15i§:o| mm MICRO SENSOR CO.,LTD

 Open the catalog to page 2
MPM285 Pressure Sensor-3

Note: The actual electric connection method, please check the parameter label enclosed with products. *The default code for electric connection is “1”on the parameter card. And it is also allowed to print code “1” if the electric connection is flexible wire (original code “2”). The wire length shall be as per customers’ request on the contact. MICRO SENSOR CO.,LTD

 Open the catalog to page 3
MPM285 Pressure Sensor-4

Order Note 1. We suggest you to use Suspended construction when you install the sensor to prevent affecting sensor stability; 2. Please pay attention to protect sensor isolated diaphragm and ceramic compensated board, to avoid damaging sensor or affecting the performance; 3. Temperature resistant range of standard Viton O-ring of sensor is -20 ℃ ~ 250 ℃ . When working temperature is lower than -20℃, or sensor is applied in critical environment, please contact us. http://www.microsensor.cn Add: No.18,Yingda Road Baoji,P.R.China, Tel: +86 917 3600739/3600832

 Open the catalog to page 4

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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.