BAR-QNH Barometer for Avionic Applications


Nesa srl


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The sensor for the measurement of atmospheric pressure BAR-QNH is an electronic barometer designed with a special internal circuit for the automatic calculation of QNH, fundamental parameter in the airport. It 'made in accordance to WMO's standard (World Meteorological Organization). The sensor is equipped with an electrical output as RS485 type and a special interface RS485/USB for programming on field of the altitude above sea level..

• Sensor for measurement of atmospheric pressure with calculation of the integrated QNH

• Specific application for airports

• Includes interface module and MCS RS485/Modbus for setting altitude

• Automatic calculation of QNH

• Small dimensions and weight with IP65 protection

• Conforms to standard WMO

• Measuring range: 500÷1.100 hPa

• Resolution: 0.05 hPa

• Accuracy: 0.4 hPa

• Low power consumption (<0.12 W)

• Output signal: RS485

• Operating conditions: -40 ÷ +60°C (-40 ÷ +80°C)

• Power supply: 10÷30Vdc

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