Medium-Isolated Pressure Sensor

  • NG # 04033-HW-microsensor-006

  • MF # MPM281Pro

The MPM281Pro is a high‑precision medium‑isolated OEM pressure sensor designed for demanding industrial and medical pressure measurement applications. It features a highly stable diffused silicon sensing element housed in a compact 316L stainless steel package, with temperature compensation and laser‑trimmed calibration for superior accuracy and stability across its pressure range.

Manufactured By :
MICROSENSOR
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Overview

The MPM281Pro Pressure Sensor is part of MicroSensor’s high‑performance MPM281 series. It’s optimized for accurate gauge and absolute pressure measurement in environments where precision and stability are critical — including medical instruments, industrial process control, compressors, and hydraulic systems. The sensor’s medium‑isolation design helps protect the sensing element and improve measurement reliability. It incorporates advanced temperature compensation techniques including laser trimming and external compensation circuitry to reduce error and maintain consistent output performance over a wide temperature range.

Specification

General

  • OEM pressure sensor element with medium isolation. 
  • Compact size: Φ19 mm standard stainless-steel housing (316L). 
  • Designed for high‑demand pressure sensing in industrial and medical applications. 

Pressure Ratings

  • Pressure range: 0~0.07 bar up to 35 bar. 
  • Available in both gauge and absolute pressure versions. 

Performance

  • Linearity/nonlinearity: ±0.1%FS typical. 
  • Long‑term stability: ±0.1%FS per year. 
  • Output signal: Net full‑scale output ~3.012 V ±1% (with gain resistor tuning). 
  • Temperature compensation: Wide compensation range of –20 °C to +85 °C. 

Electrical

  • Power supply: Constant current operation (e.g., ≤2 mA DC). 
  • Electrical connection: Ribbon cable with plug. 

Construction

  • Material: Full stainless steel (316L) housing and diaphragm. 
  • Isolation: Medium isolation helps protect sensing element from media effects. 

Typical Applications

  • Medical instruments & devices requiring accurate pressure monitoring. 
  • Industrial process control and automation. 
  • Air refrigeration systems and compressors. 
  • Hydraulic systems, pressure transmitters, and switching controls. 

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