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소음측정기(Sound Meter) ▷ 방수형 방풍망
방수형 방풍망
  모델명 : NA-0380 / NA-0380A
  원산지 : 일본
  제조사 : ACO
  가   격 : 문의
  분류명 : Windscreen
product
제품사양
적용사례
기술자료
 

 

Windscreen for wind power system measurement

NA-0380

Fold-down type
Windscreen 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

【During patent application】
This outstanding performance was realized by the specified sheet device developed through the business-academia collaboration of ACO Co., Ltd., Shizuoka University and Tomoegawa Co., Ltd, which offers exceptional and non-conventional capability of waterproof and almost 100% acoustic transparency.
Appearance

Image chart

 

 

Applicable Standard

:JIS C 1400-11:2005(IEC61400-11:2002)

Frequency Characteristics

:1Hz~12.5kHz

Wind noise reduction

:40dB or more(80Hz)

Applicable range

:Wind velocity 20m/s or less. Precipitation 30mm/h or less

Expected lifetime for weather proof

:for 3 years or more

Structure

:IPX Rating 3 (JIS IPX3) Rainproof Type JIS C 0920

※Due 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.

Material

:Main body/Aluminum

Windscreen/Aluminum fiber sound absorbing material (Recyclable)

Insulation resistance

:Between microphone and disc 100MΩor more

(under DC 500V applied)

Operating temperature

:-10~+50℃ / 30~95%

Size and Weight

:Disc Φ1,000×3(t) Approx.8kg

Outer screen Φ460×230(H)

Main screen built-in φ90 hemispheric screen

Assembly

:Simple assembly system (Approx.10 minutes )