Low Range Pressure Transmitter

  • NG # 04050-HW-microsensor-023

  • MF # MPM430

The MPM430 Low Range Pressure Transmitter is an industrial pressure measurement device designed for accurate and reliable detection of low pressures. It features a high-performance ceramic sensing element, fully sealed stainless steel construction, and options for general or non-cavity pressure ports. Ideal for use in petrochemical, power plant, mining, urban water supply, and hydro exploration applications.

Manufactured By :
MICROSENSOR
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Overview

The MPM430 Low Range Pressure Transmitter measures low pressure values with high stability, excellent durability, and reliable performance in various industrial environments. It incorporates a piezoresistive ceramic pressure sensor with a large diaphragm contact area for improved measurement sensitivity. The device is built with robust materials including stainless steel and an isolated ceramic diaphragm to withstand shock and overpressure conditions. With a standard 4–20 mA output signal, it supports seamless integration into control and monitoring systems. Environmental temperature compensation and multiple pressure port configurations enhance its adaptability to different process conditions.

Specification

General

  • Model: MPM430 Low Range Pressure Transmitter
  • Pressure Range: 5 mBar to 0.2 Bar
  • Output Signal: 4–20 mA DC
  • Accuracy: ±0.5 % Full Scale (FS)
  • Pressure Types Supported: Gauge (with negative pressure measurement) and Absolute

Performance

  • Long-Term Stability: ±0.5 % FS per year
  • Thermal Drift:
    • ≤±0.15 % FS per 10 °C (−20 °C to 80 °C)
    • ≤±0.2 % FS per 10 °C (−30 °C to −20 °C)
  • Overpressure Resistance: Can withstand strong pressure shocks up to multiple times the full scale

Environmental

  • Operating Temperature:
    • −30 °C to 80 °C (plug connector type)
    • −20 °C to 70 °C (cable type)
  • Intrinsic Safety Rating: Ex ia IIC T6 Ga

Materials

  • Wetted Parts:
    • Isolated Diaphragm: 96 % alumina ceramics
    • Pressure Port: Stainless Steel 304
  • Non-wetted Parts:
    • Housing: Stainless Steel 304 / 316L
    • Cable Materials: PE, PUR, PVC

Mechanical Features

  • Two pressure port configurations available: general and non-cavity, offering a large contact area between the sensor diaphragm and the medium

Typical Applications

  • Petrochemical industry
  • Power plants
  • Mining operations
  • Urban water supply systems
  • Hydro exploration projects

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