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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
Related Products
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 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.
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 46BD
GRAS 46BD

The 46BD is a standard 1/4" CCP pressure microphone set, ~4 mV/Pa sensitivity, suitable for high-frequency and high-level measurements.

· 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: Microdot.
  • Type: Pressure.
  • TEDS: Yes.
  • Standard: IEC 61094 WS3P.
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 46BG
GRAS 46BG

The 46BG is a 1/4" CCP pressure high pressure microphone set, low sensitivity for very high sound levels.

· Key Specifications:

  • Sensitivity: Low (high pressure optimized).
  • Dynamic range: High peak (up to high dB).
  • Frequency range: High frequency.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Type: Pressure high pressure.
  • TEDS: Yes.
  • Peak SPL: Very high.
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 46BG-FV
GRAS 46BG-FV

The 46BG-FV is a 1/4" CCP pressure front vented high pressure microphone set, low sensitivity for high levels with front venting.

· Key Specifications:

  • Sensitivity: Low.
  • Dynamic range: High peak.
  • Frequency range: High.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Type: Pressure front vented high pressure.
  • TEDS: Yes.
  • Venting: Front.