HD9408PS 50_1

HD 9408 PS 50 – Static Port For Barometric Measurements

The measurement of the barometric pressure in free field can give incorrect values of hundred
pascal fluctuation and wind direction. With the static port for barometric measurements,
HD9408PS 50 can minimize these errors because, in addition to act as a filter (brake) against
the dynamic pressure of the wind, the barometer can operate correctly even in the presence
of snow or ice and comply with the recommendations of the WMO (World Meteorological
Organization). The materials used for th construction of the static are UV resistant and can
operate in temperatures between -40°C and +80°C.

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Product Description

The measurement of the barometric pressure in free field can give incorrect values of hundred
pascal fluctuation and wind direction. With the static port for barometric measurements,
HD9408PS 50 can minimize these errors because, in addition to act as a filter (brake) against
the dynamic pressure of the wind, the barometer can operate correctly even in the presence
of snow or ice and comply with the recommendations of the WMO (World Meteorological
Organization). The materials used for th construction of the static are UV resistant and can
operate in temperatures between -40°C and +80°C.
INSTALLATION AND CONNECTION
Installation is simple: it must be installed away from buildings, trees or any other source
which can disrupt the flow of wind. To install the bracket is available HD9408PS 56 and
three stainless steel screws M5x16 Acc. The connection of the static to the barometer, for
example, HD9408T or HD9408TR, is made with a special tube HV55 (internal diameter of
3mm, 6mm outer diameter) and UV resistant to climate changes. Maintenance or cleaning
is minimal. The plastic parts are manufactured by BASF LURAN S777K. Clean using non
aggressive detergents compatible with the material.
TECHNICAL SPECIFICATIONS
According to recommendations of the WMO, the deviation allowed measurement of wind
speed 20meters/second is equal to 0.3mbar, corresponding to 300 Pascal. The HD9408PS
50 static port for barometric measurements falls within that value. The following tables show
the values obtained from the tests performed in the wind tunnel.
ORDERING CODE
HD9408PS 50K: Kit consists of by static port, pole mounting bracket and HV55 tube
HD9408PS 50: Static port for barometric measurements equipped with the HV55 tube
HD9408PS 56: Mounting bracket for static port, barometer fastening, pole anchor
HV55: UV- and temperature-resistant silicone tube, inside Ø : 3mm, outside Ø : 6mm,
L=400mm

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Manuals and Brochures here.  

HD9408PS50.pdf

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