1. 67TS-1-CL Turbulence Screen Kit with Flush-mount Microphone
    Turb. att.: Up to 25 dB*
    Turb. speed: Up to Mach 0.2
    Turb. suppr. freq. range: 500 Hz - 10 kHz*
    Acoustic att.: Less than 3 dB
    Directivity: ± 60 Deg
    Freq. range (acoustic) 100 Hz - 70 kHz
    Dyn.range 44 dB(A) - 166 dB
    *Depending on flow-speed

    G.R.A.S. 67TS-1-CL Turbulence Screen Kit with Flush-mount Microphone

    The G.R.A.S. 67TS-1-CL Turbulence Screen Kit is designed for aeroacoustic testing in solid-walled wind tunnels. The hydrodynamic component of turbulence is attenuated up to 25 dB. Thereby the acoustic signals of interest can be identified and diagnosed with a reliable resolution.

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  2. 47AX 1/2'' CCP Flush-mount Mic Set
    Freq range: 3.15 Hz to 20 kHz
    Dyn range: 22 dB(A) to 150 dB
    Sensitivity: 12.5 mV/Pa

    G.R.A.S. 47AX 1/2'' CCP Flush-mount Microphone Set

    The G.R.A.S. 47AX 1/2" CCP Flush-Mount Microphone Set is a low profile 1/2" precision pressure microphone with built-in CCP preamplifier.

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  3. 47BX 1/4" CCP Flush-mount Microphone Set
    Freq range: 4 Hz to 70 kHz
    Dyn range: 44 dB(A) to 166 dB
    Sensitivity: 1.6 mV/Pa

    G.R.A.S. 47BX 1/4" CCP Flush-mount Microphone Set

    The G.R.A.S. 47BX 1/4" CCP Flush-Mounted Microphone Set is a low profile 1/4" precision pressure microphone with built-in CCP preamplifier.

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  4. 47DX 1/8” CCP Flush-mount Mic Set
    Frequency range: 10 Hz to 100 kHz
    Dynamic range: 52 dB(A) to 173 dB
    Sensitivity: 0.8 mV/Pa

    G.R.A.S. 47DX 1/8” CCP Flush-mount Microphone Set

    The G.R.A.S. 47DX 1/8" CCP Flush-mount Microphone Set is a low profile 1/8" precision pressure microphone with built-in CCP preamplifier and TEDS.

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  5. 40LS 1/4" CCP Precision Surface Mic
    Freq range: 5 Hz to 70 kHz
    Dyn range: 46 dB(A) to 167 dB
    Sensitivity: 1.8 mV/Pa

    G.R.A.S. 40LS 1/4" CCP Precision Surface Microphone

    The G.R.A.S. 40LS High-Precision Surface Microphone is a high-precision microphone for measurements on planar and curved surfaces. It has a wide useful frequency range reaching up to 70 kHz and a large dynamic range topping at around 167 dB.

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  6. 40LA 1/4" CCP Precision Surface Mic, High Pressure
    Freq range: 5 Hz to 70 kHz
    Dyn range: 56 dB(A) to 178 dB
    Sensitivity: 0.5 mV/Pa

    G.R.A.S. 40LA 1/4" CCP Precision Surface Microphone, High Pressure

    The G.R.A.S. 40LA High-Precision Surface Microphone is a high-precision microphone for measurements on planar and curved surfaces. It has a wide useful frequency range reaching up to 70 kHz and a large dynamic range topping at around 178 dB.

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  7. 46AO 1/2'' Pressure Set
    Freq range: 3.15 Hz to 20 kHz
    Dyn range: 25 dB(A) to 150 dB
    Sensitivity: 12 mV/Pa

    G.R.A.S. 46AO 1/2'' CCP Pressure Standard Microphone Set

    The 46AO is a 1/2" CCP microphone set for wide-frequency pressure measurements. Its LEMO equivalent is 46AG.

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  8. 46BD 1/4" Pressure Set
    Freq range: 4 Hz to 70 kHz
    Dyn range: 44 dB(A) to 166 dB
    Sensitivity: 1.45 mV/Pa

    G.R.A.S. 46BD 1/4" CCP Pressure Standard Microphone Set

    The 46BD is a 1/4" CCP microphone set for pressure measurements. Learn More
  9. 46DD 1/8'' Pressure Set
    Freq range: 6.5 Hz to 70 kHz
    Dyn range: 47 dB(A) to 174 dB
    Sensitivity: 0.8 mV/Pa

    G.R.A.S. 46DD 1/8'' CCP Pressure Standard Microphone Set

    G.R.A.S. 46DD 1/8'' CCP Pressure Microphone Set

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  10. 46DD-FV 1/8'' Pressure Set, Front Vented
    Freq range: 6.5 Hz to 70 kHz
    Dyn range: 47 dB(A) to 175 dB
    Sensitivity: 0.8 mV/Pa

    G.R.A.S. 46DD-FV 1/8'' CCP Pressure Standard Microphone Set, Front Vented

    G.R.A.S. 46DD-FV is a 1/8'' CCP Pressure Microphone Set with front venting

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  11. RA0020 1/2" Nosecone

    Length: 54.0 mm
    Outer diameter: 13.2 mm
    Threading (mic. protection grid threading): 12.70-60 UNS-2
    Material: Stainless steel
    Weight: 45 g

    G.R.A.S. RA0020 1/2" Nosecone

    The RA0020 is specially designed and optimized for use with 1/2" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel.
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  12. RA0022 1/4" Nosecone

    Length: 36.7 mm
    Outer diameter: 7.0 mm
    Threading (mic. protection grid threading): 6.35-60 UNS-2
    Material: stainless steel
    Weight: 7 g 

    G.R.A.S. RA0022 1/4" Nosecone

    The RA0022 is specially designed and optimized for use with 1/4" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel.
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  13. RA0173 1/8” Nosecone

    Length: 17.4 mm
    Outer diameter: 3. 5mm
    Threading (mic. protection grid threading): M3.175x0.2
    Material: Stainless steel
    Weight: tbd

    G.R.A.S. RA0173 1/8” Nosecone

    The RA0173 is specially designed and optimized for use with 1/8" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel.

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  14. RA0006 Right-angled (90º) Adapter for 1/4" Microphone and 1/4" Preamplifier

    Length: 9 mm
    Inner threading for preamp.: 5.70-60 UNS-2
    Outer threading for mic.: 5.70-60 UNS-2
    Material: stainless steel

    G.R.A.S. RA0006 Right-angled (90º) Adapter for 1/4" Microphone and 1/4" Preamplifier

    The RA0006 is a right-angled adapter for using a 1/4" microphone with a 1/4" preamplifier. It can be used with any standard 1/4" microphone and 1/4" preamplifier such as the G.R.A.S. 26AC. The RA0006 could be useful in situations where the microphone has to be flush mounted on a wall.

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  15. AM0069 Windscreen for 1/2" Microphones

    Outer diameter: 90 mm
    Hole diameter: 12 mm
    Material: Foam

    G.R.A.S. AM0069 Windscreen for 1/2" Microphones

    AM0069 contains 5 spherical windscreens for 1/2" microphones optimized for sound pressure measurements under free-field conditions.

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  16. AM0071 Windscreen for 1/4" Microphones

    Outer diameter: 90 mm
    Hole diameter: 6 mm
    Material: Foam

    G.R.A.S. AM0071 Windscreen for 1/4" Microphones

    AM0071 contains 5 spherical windscreens for 1/4" microphones optimized for sound pressure measurements under free-field conditions.

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