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 | |
| Range | 600 to 1100 hPa (17.72 to 32.48 inch/hg) |
| Elevation | Sea level to 10,000 ft. (3048 m) |
| Resolution | 0.1 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 output | 0-1, 0-2, 0-2.5 or 0-5 VDC (Analog output automatically adjusts from zero to full scale for range selected.) |
| Digital output | RS-232, RS-485 & SDI-12 |
| Digital protocol | ASCII Terminal Mode RTU for RS-232 and RS-485. |
| Baud rates | 1200, 2400, 4800, 9600, & 19.2K |
| Power requirement | 10 mA @ 12 VDC, typical |
| Power range | 6-16 VDC |
Physical | |
| Weight | 8.8 oz. (250 g) |
| Dimensions | 4.72 x 3.14 x 2.16 in (120 x 80 x 55 mm) |
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