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GRAS 246AE
GRAS 246AE
GRAS 246AE

The 246AE is a 1/2" CCP free-field microphone set with SysCheck2 for quick self-verification, 50 mV/Pa sensitivity, suitable for standard sound measurement with automatic verify and high reliability.

· 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.
  • SysCheck2: Yes (self-check).
  • TEDS: Yes.
  • Standard: IEC 61094.
Product details
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GRAS 46AQ
GRAS 46AQ

The 46AQ is a 1/2" CCP random incidence microphone set, 50 mV/Pa sensitivity, suitable for diffuse sound field measurements in reverberant environments like vehicle cabins.

· Key Specifications:

  • Sensitivity: 50 mV/Pa.
  • Dynamic range: 17 dB(A) to 138 dB.
  • Frequency range: 3.15 Hz to 16 kHz.
  • Operating temperature: -30°C to +85°C.
  • Connector: BNC.
  • Type: Random incidence.
  • TEDS: Yes.
  • Standard: IEC 61094 WS2D.
GRAS 147AX
GRAS 147AX

The 147AX is a rugged CCP pressure microphone set specialized for hot/cold engine noise measurement in automotive NVH, with three-layer diaphragm protection and new form factor for quick mounting, high harsh environment tolerance.

· Key Specifications:

  • Sensitivity: 50 mV/Pa.
  • Dynamic range: Wide for engine noise.
  • Frequency range: Suitable for automotive NVH.
  • Operating temperature: High (hot engine).
  • Connector: BNC.
  • Type: Rugged pressure.
  • TEDS: Yes.
  • Application: Engine noise testing.
GRAS 46DD
GRAS 46DD

The 46DD is the smallest 1/8" CCP pressure microphone set using 40DD prepolarized cartridge, suitable for sound pressure measurements in very tight spaces, couplers or high-frequency environments, with high reliability and TEDS support.

· Key Specifications:

  • Sensitivity: Approximately 1 mV/Pa.
  • Dynamic range: Approximately 45 dB(A) to 170 dB.
  • Frequency range: 10 Hz to 140 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Polarization: 0 V (prepolarized).
  • TEDS: Yes.
  • Standard: IEC 61094.
GRAS 46DP-1
GRAS 46DP-1

The 46DP-1 is a 1/8" LEMO pressure microphone set for tight spaces with 200V polarization, suitable for special applications requiring externally polarized technology.

· Key Specifications:

  • Sensitivity: Approximately 1 mV/Pa.
  • Dynamic range: Wide high frequency.
  • Frequency range: High frequency.
  • Operating temperature: -30°C to +100°C.
  • Connector: LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Size: 1/8".
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 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 47BX
GRAS 47BX

The 47BX is a low profile 1/4" CCP flush-mount microphone set, wide dynamic range from 44 dB to 165 dB, suitable for precise surface measurements with high frequencies.

· Key Specifications:

  • Sensitivity: Standard.
  • Dynamic range: 44 dB to 165 dB.
  • Frequency range: 4 Hz to 70 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot to BNC.
  • Mounting: Flush-mount.
  • TEDS: Yes.
  • Size: 1/4".
GRAS 40PH-10
GRAS 40PH-10

The 40PH-10 is a low-cost CCP free-field array microphone, precisely phase-matched, with wide frequency range up to 20 kHz, dynamic range up to approx. 135 dB peak, suitable for multi-channel measurements, noise source location, and beamforming with low cost for multiple units.

· Key Specifications:

  • Sensitivity: Approximately 10 mV/Pa.
  • Dynamic range: Approximately 30 dB(A) to 135 dB peak.
  • Frequency range: Up to 20 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: SMB.
  • Polarization: 0 V (prepolarized).
  • TEDS: Yes.
  • Application: Array, phase-matched.