NA-0380
Fold-down typeWindscreen for wind power system measurement
NA-0380A
Provided with all the required performance; wind noise reduction, waterproof property and acoustic transparency Dedicated windscreen for wind power system noise measurement
£ºJIS C 1400-11:2005(IEC61400-11:2002)
£º1Hz¢¦12.5kHz
£º40dB or more(80Hz)
£ºWind velocity 20m/s or less. Precipitation 30mm/h or less
£ºfor 3 years or more
£ºIPX Rating 3 (JIS IPX3)¡¡Rainproof Type¡¡JIS C 0920
¡ØDue to the special kind of treatment of the heat insulation (and waterproof) structure of the windscreen, it prevents the formation of any condensation under usual measurement conditions.
£ºMain body/Aluminum
Windscreen/Aluminum fiber sound absorbing material (Recyclable)
£ºBetween microphone and disc 100M¥Øor more
(under DC 500V applied)
£º-10¢¦+50¡É / 30¢¦95%
£ºDisc¡¡¥Õ1,000¡¿3(t)¡¡Approx.8kg
Outer screen ¥Õ460¡¿230(H)
Main screen built-in ¥õ90 hemispheric screen
£ºSimple assembly system (Approx.10 minutes )