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【Newly developed】
Fold-down Type Windscreen For Wind Power System Measurement
NA-0380A

  • JPY 450,000

    Fold-down type Windscreen for wind power system measurement carrying case
    NA-0080
    JPY 120,000
NA-0380A
  • NA-0380A_2

About the product

Provided with all the required performance; wind noise reduction, waterproof property and acoustic transparency
Dedicated windscreen for wind power system noise measurement

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.

Product Specifications

Applicable StandardJIS C 1400-11:2017(IEC61400-11:2012)
Frequency
Characteristics
1Hz~12.5kHz
Wind noise reduction40dB or more(80Hz)
Applicable rangeWind velocity 20m/s or less. Precipitation 30mm/h or less
Expected lifetime for weather prooffor 3 years or more
StructureIPX 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.
MaterialMain body/Aluminum
Windscreen/Aluminum fiber sound absorbing material (Recyclable)
Insulation resistanceBetween microphone and disc 100MΩor more
(under DC 500V applied)
Operating temperature-10~+50℃ / 30~95%
Size and WeightDisc Φ1,000×3(t) Approx.8kg
Outer screen Φ460×230(H) Approx.3kg
Main screen built-in φ90 hemispheric screen
AssemblySimple assembly system (Approx.10 minutes)



Fold-down type
Windscreen for wind power system measurement carrying case NA-0080
70,000Yen

TypeNA-0080
MaterialAluminum alloy
Size800(W) x 800(D) x 315(H)
Handles5
WeightApprox.14kg

Others

IPX RatingTypeExplanation
0Nonprotected.
1Drip proof TypeⅠProtected safely against waterdrop falling plumb down.
2Drip proof TypeⅡProtected safely against waterdrop falling with angle 15 degree or less.
3Rainproof TypeProtected safely against waterdrop falling with angle 60 degree or less.
4Splashproof TypeProtected safely against airborne droplet at any incident angel.
5Jet flow proof TypeProtected safely against direct water jet flow at any incident angel.
6Waterproof TypeWaterproof property against water jet flow at any incident angel.
7Underwater TypeWaterproof property maintained even in water of given condition.
8Submergible TypePossible to use even in water of specified pressure.

Other materials