1. 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.

    Learn More
  2. 43AG Ear & Cheek Simulator
    Dyn range:
    25 dB(A) to 164 dB or
    10.5 dB(A) to 113 dB (low-noise version)
    ANSI: S3.7
    IEC: 60318-4

    G.R.A.S. 43AG Ear & Cheek Simulator

    The G.R.A.S. 43AG Ear and Cheek Simulator represents the section of a head important for realistic reproduction of the acoustic properties of the ear of an average human head. It allows the use of an ITU-T type 3.3 pinna or an Anthropometric Pinna, either with an IEC 60318-4 Ear Simulator or a Low-noise Ear Simulator system.

    Learn More
  3. 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.

    Learn More
  4. 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.

    Learn More
  5. 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..

    Learn More
  6. 44AA Mouth Sim ITU-T P51, power amp
    ITU-T rec.: P.51
    Special feature: Built-in power amplifier

    G.R.A.S. 44AA Mouth Simulator according to ITU-T Rec. P51 with built-in power amplifier

    G.R.A.S. 44AA Mouth Simulator  is a sound source which simulates the sound field around the human mouth at close quarters and complies with the Standards IEEE 269, 661 and ITU-T Rec. P51.

    G.R.A.S. 44AA is for testing telephone mouthpieces as well as other microphones similarly used in communication networks.

    Learn More
  7. 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.

    Learn More
  8. 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.

    Learn More
  9. 46BL 1/4" Pressure Set, High Sensitivity
    Freq range: 4 Hz to 20 kHz
    Dyn range: 25 dB(A) to 147 dB
    Sensitivity: 18 mV/Pa

    G.R.A.S. 46BL 1/4" CCP Pressure Standard Microphone Set, High Sensitivity

    The 46BL is a high-sensitive, low-noise 1/4" CCP condenser microphone set with rear-venting.

    The set consists of a 40BL 1/4" CCP Pressure Microphone, High Sensitivity and a 26CB 1/4" preamplifier with Microdot connector.

    Learn More
  10. 45BC-4 With Mouth Sim for Telephone Test, 1-Ch CCP
    Connection: Constant Current Power (0 V/CCP)
    Channel(s): 1
    ANSI standards: S3.36, S3.25
    IEC standards:60318-4 (formerly 60711), 60318-7 (formerly 60959)
    Special feature: Telephone test

    G.R.A.S. 45BC-4 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch CCP

    The 45BC-4 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch CCP is configured with pinnae and with IEC 60318-4 Ear Simulator and ear canal extension in the right ear. Due to the design of KEMAR, realistic measurement in a sound environment as experienced by a human being using a hearing aid is possible. In addition, the 45BC-3 is provided with a mouth simulator for testing of the microphone in the telephone. The 45EA handset positioning system is included. Its CCP equivalent is G.R.A.S. 45BC-3 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch LEMO.

    Learn More
  11. 45BC-3 With Mouth Sim for Telephone Test, 1-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 1
    ANSI: S3.36, S3.25
    IEC: 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58
    Special feature: Built-in power amplifier for mouth simulator

    G.R.A.S. 45BC-3 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch LEMO

    The 45BC-3 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch LEMO is configured with pinnae and with IEC 60318-4 Ear Simulator and ear canal extension in the right ear. Due to the design of KEMAR, realistic measurement in a sound environment as experienced by a human being using a hearing aid is possible. In addition, the 45BC-3 is provided with a mouth simulator for testing of the microphone in the telephone. The 45EA handset positioning system is included. Its CCP equivalent is G.R.A.S. 45BC-4 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch CCP.

    Learn More
  12. RA0058 1/2'' to 1'' Microphone Adapter

    Length: 17.00 mm
    Diameter: 23.77 mm
    Material Stainless steel

    G.R.A.S. RA0058 1/2'' to 1'' Microphone Adapter

    Dimension adapter which increases the diameter of a 1/2" microphone to 1". The adapter is relevant for use with G.R.A.S. 45CA Hearing-protector test fixture or in other situations where a 1/2" microphone is to be mounted in a 1" inner diameter hole/cylinder.

    Learn More
  13. 44AB Mouth Sim ITU-T P51
    ITU-T rec.: P.51
    IEEE standards: 269, 661

    G.R.A.S. 44AB Mouth Simulator according to ITU-T Rec. P51

    G.R.A.S. 44AB Mouth Simulator is a sound source which simulates the sound field around the human mouth at close quarters and complies with the Standards IEEE 269, 661 and ITU-T Rec. P51.

    G.R.A.S. 44AB is for testing telephone mouthpieces as well as other microphones similarly used in communication networks.

    Learn More
  14. 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).

    Learn More
  15. 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.

    Learn More
  16. 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.

    Learn More
  17. /
    Volume: 1260 mm³ @ 500 Hz
    Dyn range: 10.5 dB(A) to 113 dB
    Based on IEC 60318-4

    G.R.A.S. 43BB-1 Low-noise Ear Simulator System

    The 43BB-1 Low-noise Ear Simulator System is for acoustic low noise measurements on insert headphones, especially headphones with active noise cancellation. It is based on the IEC 60318-4 ear simulator standard. Learn More
  18. 45BB-9 KEMAR with Anthropometric Pinnae for Ear- and Headphone Test, 2-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-4
    ITU-T Rec. P.57 Type 3.3, based on ITU-T Rec. P.58

    G.R.A.S. 45BB-9 KEMAR with Anthropometric Pinnae for Ear- and Headphone Test, 2-Ch LEMO

    The 45BB-9 KEMAR is a manikin configured with externally polarized ear simulators and anthropometric pinnae for dual-channel ear- and headphone test. Its corresponding CCP equivalent is the G.R.A.S. 45BB-10 KEMAR with Anthropometric Pinnae for Ear- and Headphone Test, 2-Ch CCP.

    Learn More
  19. 45BB-10 KEMAR with Anthrometric Pinna for Ear- and Headphone Test, 2-Ch CCP
    Connection: Constant Current Power (0 V/CCP)
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-10 KEMAR with Anthropometric Pinna for Ear- and Headphone Test, 2-Ch CCP

    The 45BB-10 KEMAR is a manikin configured with pre-polarized ear simulators and anthropometric pinnae for dual-channel ear- and headphone test. Its corresponding LEMO equivalent is the G.R.A.S. 45BB-9 KEMAR with Anthropometric Pinna for Ear- and Headphone Test, 2-Ch LEMO.

    Learn More
  20. 45BB-11 KEMAR with Anthropometric Pinna for Low-noise Ear- and Headphone Test, 1-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 1
    ANSI: S3.36
    Based on IEC 60318-7
    Based on ITU-T Rec. P.58

    G.R.A.S. 45BB-11 KEMAR with Anthropometric Pinna for Low-noise Ear- and Headphone Test, 1-Ch LEMO

    The 45BB-11 KEMAR is an acoustic research tool with a built-in low-noise ear simulator for testing of ear and headphones and in-ear ear protectors with or without active noise cancellation. Its corresponding two-channel equivalent is G.R.A.S. 45BB-12 KEMAR with Anthropometric Pinnae for Ear- and Headphone Test, 2-Ch LEMO.

    Learn More

Items 1 to 20 of 61 total

per page
Page:
  1. 1
  2. 2
  3. 3
  4. 4

Set Descending Direction