Barometric pressure sensors convert absolute atmospheric pressure into a linear, proportional voltage, which may be used in any meteorological program. The Met One 092 barometric pressure sensor brings in modern digital computer technology. An on-board CPU scales pressure measurements, provides temperature compensation and controls communications output.

This sensor is inherently stable and does 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.

  • Compact size
  • Weatherproof enclosure
  • Digital and analog outputs
  • Permanent calibration; no service required
  • Customer configured output

Technical Specifications

General

Range600 to 1100 hPa (17.72 to 32.48 inch/hg)
ElevationSea level to 10,000 ft. (3048 m)
Resolution0.1 hPa
Temp. operating range-40°C to 55°C (-40°F to 131°F)
Temp. compensated range-40°C to 55°C (-40°F to 131°F)
Accuracy±0.35 hPa @ 20°C (68°F)
Long Term Stability:±1.0 hPa (±0.03 in Hg) over full range or ±0.5 hPa over any 200 hPa range
±1.0 hPa in 1 year

Electrical

Analog output0-1, 0-2, 0-2.5 or 0-5 VDC
(Analog output automatically adjusts from zero to full scale for range selected.)
Digital outputRS-232, RS-485 & SDI-12
Digital protocolASCII Terminal Mode
RTU for RS-232 and RS-485.
Baud rates1200, 2400, 4800, 9600, & 19.2K
Power requirement10 mA @ 12 VDC, typical
Power range6-16 VDC

Physical

Weight8.8 oz. (250 g)
Dimensions4.72 x 3.14 x 2.16 in (120 x 80 x 55 mm)

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