1. 46AE 1/2'' Free-field Set
    Freq range: 3.15 Hz to 20 kHz
    Dyn range: 17 dB(A) to 138 dB
    Sensitivity: 50 mV/Pa
    Use: For general acoustic diagnostics

    G.R.A.S. 46AE 1/2'' CCP Free-field Standard Microphone Set

    The G.R.A.S. 46AE is a 1/2" Constant Current Power (CCP) free-field microphone set for measuring medium sound pressure levels at medium frequencies. It is terminated with a BNC connector and is TEDS compatible. The equivalent traditional 200 V (LEMO) type is G.R.A.S. 46AF.

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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. 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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