
This pressure sensor is designed for applications needing precise atmospheric pressure monitoring in a specific range. It offers a 4-20mA output calibrated to a 700 to 1100 mbar absolute pressure range, maximizing accuracy and sensitivity. This makes it ideal for applications where barometric pressure compensation is critical, such as x-ray interferometry, gas analyzers, and environmental chambers.
This DMP331 barometric pressure sensor is specifically designed for applications requiring precise monitoring of atmospheric pressure. This sensor provides a 4-20mA analog output signal carefully calibrated to correspond to a 700 to 1100 mbar absolute pressure range. This scaling ensures the full resolution of the output signal is utilized across the specific span of barometric pressure changes, maximizing resolutions and sensitivity within this critical range.
This focused pressure range makes the DMP331 particularly well-suited for applications such as:
- X-ray interferometry: Accurate barometric pressure data is essential for compensating for variations in air density, which can affect the refractive index of the air and influence the interference patterns observed.
- Gas analyzers: Barometric pressure compensation ensures accurate measurement of gas concentrations and properties, as pressure variations can affect the volume and density of the gas being analyzed.
- Environmental chambers: Maintaining precise control over environmental conditions, including pressure, is critical for ensuring the reliability and reproducibility of experiments conducted within these chambers.
- Industrial process control: Monitoring barometric pressure in environments where it influences process parameters, such as in chemical and pharmaceutical production, food processing, and materials testing.
- Environmental monitoring: Measuring barometric pressure in research studies and monitoring applications related to air quality, pollution dispersion, and climate change.
- High-altitude research: Monitoring barometric pressure changes in scientific expeditions and high-altitude research facilities.
The robust design and precise calibration of the DMP331 ensure reliable performance and accurate data acquisition across various applications. Its dedicated pressure range and standardized 4-20mA output facilitate seamless integration into existing monitoring and control systems, providing valuable data for analysis, compensation, and process optimization.

DMP331 Barometric 4-20mA Pressure Sensor
- Pressure Range: 700 to 1100 mb abs
- Output Signal: 4-20mA (2 wire)
- Accuracy: 0.5% FS (std, 11-12bit res)
- Electrical Connection: DIN43650A plug IP65
- Pressure Connection: G1/2 DIN3852 male
- Media Exposed Seals: FKM (standard)