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GRAS 46AR
GRAS 46AR
GRAS 46AR

The 46AR is a 1/2" LEMO random incidence microphone set with 200V polarization, 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: 7-pin LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Random incidence.
Product details
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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.
GRAS 40PH-10
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· 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).
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· Key Specifications:

  • Sensitivity: 12.5 mV/Pa.
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  • Rugged: Yes.
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  • Application: Heavy industrial.
GRAS 147AX
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· Key Specifications:

  • Sensitivity: 50 mV/Pa.
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  • Frequency range: Suitable for automotive NVH.
  • Operating temperature: High (hot engine).
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GRAS 46BP-1
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· 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.
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GRAS 46AN
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· Key Specifications:

  • Sensitivity: High for low frequency.
  • Dynamic range: Wide low noise.
  • Frequency range: Low frequency optimized.
  • Operating temperature: -30°C to +85°C.
  • Connector: 7-pin LEMO.
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  • TEDS: Yes.
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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.
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GRAS 46BD-FV
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· Key Specifications:

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  • Dynamic range: 35 dB(A) to 160 dB.
  • Frequency range: 4 Hz to 70 kHz.
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