Barometric Pressure Sensors convert absolute atmospheric pressure into a linear, proportional voltage, which may be used in any meteorological program. The Met One barometric pressure sensor brings in modern digital computer technology. An on board CPU scales pressure measurements, provides temperature compensation and controls communications output.

These sensors are inherently stable devices that do not require periodic service or routine recalibration.

The enclosure houses a solid state pressure transducer, with linearization and amplification electronics along with a low power embedded CPU. The sensor is contained within a small polycarbonate enclosure, and may be mounted outside or inside a building or other enclosure. Small inlet holes allow the atmospheric pressure access to the sensing element.

Met One Barometric Pressure Sensor Specifications:

• Range: 600 to 1100 hPa (17.72 to 32.48 inch/hg)
• Resolution: 0.1 hPa
• Operating Temp. Range: -40°C to 55°C
• Accuracy: ±0.35 hPa @ 20°C, ±1.0 hPa (±0.03 in Hg ) over full range or ±0.5 hPa over any 200 hPa range.
• Analog output: 0-1, 0-2, 0-2.5 or 0-5 VDC
• Digital output: RS-232, RS-485 & SDI-12
• Power Requirement: 10 mA @ 12 VDC