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GRAS 46AE
GRAS 46AE
GRAS 46AE

The 46AE is a standard 1/2" CCP free-field microphone set with 50 mV/Pa sensitivity, suitable for measuring medium sound pressure levels at medium frequencies, with TEDS and BNC connector. Standard design for general acoustic diagnostics, wide dynamic range.

· Key Specifications:

  • Sensitivity: 50 mV/Pa.
  • Dynamic range: 17 dB(A) to 138 dB.
  • Frequency range: 3.15 Hz to 20 kHz.
  • Operating temperature: -30°C to +85°C.
  • Connector: BNC.
  • Polarization: 0 V (prepolarized).
  • TEDS: Yes.
  • Standard: IEC 61094 WS2F.
Product details
Related Products
GRAS 46BP-1
GRAS 46BP-1

The 46BP-1 is a standard 1/4" LEMO pressure microphone set with 200V polarization, suitable for high-frequency pressure measurements with high reliability.

· Key Specifications:

  • Sensitivity: ~4 mV/Pa.
  • Dynamic range: 35 dB(A) to 160 dB.
  • Frequency range: 4 Hz to 70 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Pressure.
GRAS 47BG-FV
GRAS 47BG-FV

The 47BG-FV is a miniature 1/4" CCP flush-mount high pressure front vented microphone set, handling very high levels, suitable for surface measurements in limited spaces with front venting.

· Key Specifications:

  • Sensitivity: Low for high pressure.
  • Dynamic range: High peak SPL.
  • Frequency range: High frequency.
  • Operating temperature: -30°C to +100°C.
  • Connector: CCP.
  • Mounting: Flush-mount.
  • Venting: Front.
  • Size: 1/4".
GRAS 46BL-1
GRAS 46BL-1

The 46BL-1 is a 1/4" CCP pressure high sensitivity microphone set with 20 mV/Pa, low noise floor 24 dB(A), suitable for sensitive measurements in small spaces.

· Key Specifications:

  • Sensitivity: 20 mV/Pa.
  • Dynamic range: 24 dB(A) to 146 dB.
  • Frequency range: 4 Hz to 20 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Type: Pressure high sensitivity.
  • TEDS: Yes.
  • Noise floor: 24 dB(A).
GRAS 47HC
GRAS 47HC

The 47HC is a 1/2" CCP low-noise system, very low noise floor, suitable for low sound measurements with convenient CCP connection.

· Key Specifications:

  • Sensitivity: High.
  • Dynamic range: Low noise.
  • Frequency range: Wide.
  • Noise floor: Very low.
  • Connector: CCP.
  • Polarization: 0 V.
  • Size: 1/2".
  • Application: Low noise testing.
GRAS 46BL-1-FV
GRAS 46BL-1-FV

The 46BL-1-FV is a 1/4" CCP pressure high sensitivity front vented microphone set, 20 mV/Pa sensitivity, suitable for sensitive measurements with front venting.

· Key Specifications:

  • Sensitivity: 20 mV/Pa.
  • Dynamic range: 24 dB(A) to 146 dB.
  • Frequency range: 4 Hz to 20 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Type: Pressure high sensitivity front vented.
  • TEDS: Yes.
  • Venting: Front.
GRAS 40PL-10
GRAS 40PL-10

The 40PL-10 is a high pressure CCP free-field array microphone, phase-matched, handling high levels up to 150 dB peak, wide frequency range to 20 kHz, ideal for strong noise source measurements in arrays with high accuracy and reasonable cost.

· Key Specifications:

  • Sensitivity: 10 mV/Pa.
  • Dynamic range: 32 dB(A) to 150 dB peak.
  • Frequency range: 50 Hz to 20 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: SMB.
  • Polarization: 0 V.
  • TEDS: Yes.
  • Peak SPL: 150 dB.
GRAS 40HF
GRAS 40HF

The 40HF is a 1" low-noise system measuring sound below human hearing threshold, noise floor below -10 dB, suitable for sound power measurements on very quiet products with extremely wide dynamic range.

· Key Specifications:

  • Sensitivity: High.
  • Dynamic range: Below -10 dB to high.
  • Frequency range: 10 Hz to 10 kHz.
  • Noise floor: Very low (below hearing).
  • Connector: Complete system.
  • Polarization: Externally polarized.
  • Size: 1".
  • Application: Quiet product testing.
GRAS 46AZ
GRAS 46AZ

The 46AZ is a 1/2" CCP free-field low-frequency microphone set, high sensitivity for measuring infrasound like wind turbine or low vibration.

· Key Specifications:

  • Sensitivity: High (low frequency optimized).
  • Dynamic range: Wide low noise.
  • Frequency range: Low frequency (down to low Hz).
  • Operating temperature: -30°C to +85°C.
  • Connector: BNC.
  • Type: Free-field low frequency.
  • TEDS: Yes.
  • Application: Wind turbine, infrasound.