1. 46BE 1/4" Free-field Set
    Freq range: 4 Hz to 80 kHz
    Dyn range: 35 dBA to 160 dB
    Sensitivity: 3.6 mV/Pa
    Use: For general acoustic diagnostics

    G.R.A.S. 46BE 1/4" CCP Free-field Standard Microphone Set

    The G.R.A.S. 46BE is a 1/4" Constant Current Power CCP free-field microphone set for measuring high sound pressure levels at high frequencies. It is terminated with a 10/32 UNC microdot female connector and is TEDS compatible. The equivalent traditional 200 V LEMO type is G.R.A.S. 46BF.

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  2. 50AI-LP 1/2" CCP Rugged Intensity Probe
    Freq range: IEC 61043 Class 1
    Dyn range: 25 dB(A) to 152 dB
    Sensitivity: 12.5 mV/Pa

    G.R.A.S. 50AI-LP 1/2" CCP Rugged Intensity Probe

    The G.R.A.S. 50AI-LP 1/2" CCP Rugged Intensity Probe is an industrial sound intensity probe in a very robust design that makes it suitable for use in heavy industrial environment. The probe has remote control and direct connection to LMS data acquisition modules with ICP inputs.

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  3. 50AI-L 1/2" CCP Intensity Probe
    Freq range: Ref. IEC 61043 Class 1
    Dyn range: 25 dB(A) to 152 dB
    Sensitivity: 12.5 mV/Pa

    G.R.A.S. 50AI-L 1/2" CCP Intensity Probe

    The G.R.A.S. 50AI-L 1/2" CCP Intensity Probe is a general purpose sound intensity probe with remote control and direct connection to LMS data acquisition modules with ICP inputs.

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  4. 67TS Turbulence Screen Kit
    Turb. att.: Up to 25 dB*
    Turb. speed: Up to Mach 0.2
    Freq. range (turbulence) 500 Hz - 10 kHz*
    Acoustic att.: Less than 3 dB
    Directivity: ± 60 Deg
    *Depending on flow-speed

    G.R.A.S. 67TS Turbulence Screen Kit

    The G.R.A.S. 67TS 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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  5. 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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  6. 50AI-D 1/2"  Intensity Probe
    Freq range: Ref. IEC 61043 Class 1
    Dyn range: 25 dB(A) to 152 dB
    Sensitivity: 25 mV/Pa

    G.R.A.S. 50AI-D 1/2" LEMO Intensity Probe

    The G.R.A.S. 50AI-D Sound-intensity Probe builds on more than 20 years of theory and practical experience in sound-intensity measurements. It is adjustable, durable and fully complies with the requirements in IEC 61043, Electroacoustics- Instruments for the Measurement of Sound Intensity- Measurements with Pairs of Pressure Sensing Microphones, 1993 for Class 1 Sound-intensity probes.

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  7. 50AI-C 1/2"  Intensity Probe
    Freq range: Ref. IEC 61043 Class 1
    Dyn range: 25 dB(A) to 152 dB
    Sensitivity: 25 mV/Pa

    G.R.A.S. 50AI-C 1/2" LEMO Intensity Probe

    The G.R.A.S. 50AI-C Sound-intensity Probe builds on more than 20 years of theory and practical experience in sound-intensity measurements. It is adjustable, durable and fully complies with the requirements in IEC 61043, Electroacoustics- Instruments for the Measurement of Sound Intensity- Measurements with Pairs of Pressure Sensing Microphones, 1993 for Class 1 Sound-intensity probes.

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  8. 50GI-RP CCP Rugged Intensity Probe
    Freq range: IEC 61043 Class 1
    Dyn range: 27 dB(A) to 163 dB
    Sensitivity: 12.5 mV/Pa

    G.R.A.S 50GI-RP CCP Rugged Intensity Probe

    Type 50GI-RP is a sound intensity probe for direct connection to signal analyzers or data acqusition devices with IEPE inputs. The probe includes a pair of phase-matched prepolarized precision microphones which meet the requirements in IEC standard 61043 for a class-1 intensity probe..

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  9. 50GI-P CCP Rugged Intensity Probe
    Freq range: IEC 61043 Class 1
    Dyn range: 27 dB(A) to 163 dB
    Sensitivity: 12.5 mV/Pa

    G.R.A.S 50GI-P CCP Rugged Intensity Probe

    Type 50GI-P is a sound intensity probe for direct connection to signal analyzers or data acqusition devices with IEPE inputs. The probe includes a pair of phase-matched prepolarized precision microphones which meet the requirements in IEC standard 61043 for a class-1 intensity probe.

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  10. 50GI-R Intensity Probe with Remote Control
    Freq range: IEC 61043 Class 1
    Dyn range: 27 dB(A) to 163 dB
    Sensitivity: 12.5 mV/pa

    G.R.A.S. 50GI-R CCP Intensity Probe with Remote Control

    The 50GI-R is a sound intensity probe for direct connection to signal analyzers or data acquisition devices with IEPE inputs. The probe includes a pair of phase-matched prepolarized precision microphones which meet the requirements in IEC standard 61043 for a class-1 intensity probe. The small rugged ¼" CCP preamplifiers ensure minimum disturbances to the sound field for accurate measurements in the full frequency range.

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  11. 40PH Free-Field Array Mic
    Freq range: 10 to 20 kHz
    Dyn range: 32 dB(A) to135 dB
    Sensitivity: 50 mV/Pa

    G.R.A.S. 40PH CCP Free-field Array Microphone

    The G.R.A.S. 40PH Array Microphone is a low-cost microphone for general purpose measurements in arrays and matrices.

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  12. 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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  13. 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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  14. 26CK 1/2'' CCP Standard Preamp, Very Short (Mdot)
    Freq range: 2.5 Hz - 200 kHz
    Noise: 1.8 µV
    Gain: -0.45 dB
    Special feature: For confined spaces

    G.R.A.S. 26CK 1/2” CCP Standard Preamplifier with Microdot Connector, Very Short

    The G.R.A.S. 26CK ½” Preamplifier, Very Short is a very small preamplifier optimized for use with prepolarized condenser microphones. It is a robust unit that uses a constant current power (CCP) supply. The 26CK has a very low inherent noise level, a large dynamic range, and a frequency response from below 2 Hz to above 200 kHz.

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  15. 50GI CCP Intensity Probe
    Freq range: Ref. IEC 61043 Class 1
    Dyn range: 27 dB(A) to 163
    Sensitivity: 12.5 mV/Pa

    G.R.A.S. 50GI CCP Intensity Probe

    G.R.A.S. 50GI is a sound intensity probe for direct connection to signal analyzers or data acqusition devices with IEPE inputs. The probe includes a pair of phase-matched prepolarized precision microphones which meet the requirements in IEC standard 61043 for a class-1 intensity probe. The small rugged 1/4" CCP preamplifiers ensure minimum disturbances to the sound field for accurate measurements in the full frequency range.

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  16. 50AI-B 1/2"  Intensity Probe
    Freq range: Ref. IEC 61043 Class 1
    Dyn range: 25 dB(A) to 152 dB
    Sensitivity: 25 mV/Pa

    G.R.A.S. 50AI-B 1/2" LEMO Intensity Probe

    The G.R.A.S. 50AI-B Sound-intensity Probe builds on more than 20 years of theory and practical experience in sound-intensity measurements. It is adjustable, durable and fully complies with the requirements in IEC 61043, Electroacoustics- Instruments for the Measurement of Sound Intensity- Measurements with Pairs of Pressure Sensing Microphones, 1993 for Class 1 Sound-intensity probes.

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  17. 50VI-1 Vector intensity probe
    Freq range: IEC 61043 Class 1
    Dyn range: 25 dB(A) to 152 dB
    Sensitivity: 25 mV/Pa

    G.R.A.S. 50VI-1 Vector intensity probe

    The G.R.A.S. 50VI-1 Vector Intensity Probe is a flexible and adjustable, two or three-dimensional sound-intensity probe. The probe handle has marked inputs for 3 pairs of preamplifiers (a pair for each of the mutually-perpendicular directions) and a 24-pin LEMO output socket at its base for connecting it to a suitable Power Module (e.g. Type 12AC) or Power Modules (via cable adapter).

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  18. 45BB-4 For Sound Quality Recording, 2-Ch CCP
    Connection: Constant Current Power (0 V/CCP)
    Channel(s): 2
    ANSI: S3.36
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-4 KEMAR Head & Torso for Sound Quality Recording, 2-Ch CCP

    The 45BB-4 KEMAR Head and Torso for Sound Quality Recording is an acoustic research tool with built-in 1/2" microphones for realistic sound quality testing and recordings. It is easy ro replace the 1/2" microphones with 1/4" microphones if preferred. Its LEMO equivalent is G.R.A.S. 45BB-3 KEMAR Head & Torso for Sound Quality Recording, 2-Ch LEMO.

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  19. 45BB-3 For Sound Quality Recording, 2-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 2
    ANSI: S3.36
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-3 KEMAR Head & Torso for Sound Quality Recording, 2-Ch LEMO

    The 45BB-3 KEMAR Head and Torso for Sound Quality Recording is an acoustic research tool with built-in 1/2" microphones for realistic sound quality testing and recordings. It is easy ro replace the 1/2" microphones with 1/4" microphones if preferred. Its CCP equivalent is G.R.A.S. 45BB-4 KEMAR Head & Torso for Sound Quality Recording, 2-Ch CCP.

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  20. 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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