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GRAS 46DE
GRAS 46DE
GRAS 46DE

The 46DE is the smallest 1/8" CCP pressure microphone set in the GRAS line, designed for sound measurements in extremely limited spaces, with high durability and shock resistance for industrial applications.

· Key Specifications:

  • Sensitivity: Approximately 1 mV/Pa.
  • Dynamic range: Approximately 50 dB(A) to 172 dB.
  • Frequency range: 20 Hz to 140 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Polarization: 0 V.
  • TEDS: Yes.
  • Size: Smallest 1/8".
Product details
Related Products
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 147EB
GRAS 147EB

The 147EB is an extremely rugged CCP free-field microphone set for on-road brake noise measurement, withstanding strong impacts and harsh weather, tested over 10,000 real-road miles.

· Key Specifications:

  • Sensitivity: 50 mV/Pa.
  • Dynamic range: Wide for brake noise.
  • Frequency range: Suitable for automotive.
  • Operating temperature: Extreme conditions.
  • Connector: BNC.
  • Type: X-rugged free-field.
  • TEDS: Yes.
  • Application: Brake noise testing.
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 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 46BF-1
GRAS 46BF-1

The 46BF-1 is a standard 1/4" LEMO free-field microphone set with 200V polarization, suitable for high-frequency and high-level measurements with mini LEMO connector.

· Key Specifications:

  • Sensitivity: ~4 mV/Pa.
  • Dynamic range: 35 dB(A) to 160 dB.
  • Frequency range: 4 Hz to 80 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: 5-pin LEMO mini.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Free-field.
GRAS 46BD-S1
GRAS 46BD-S1

The 46BD-S1 is a 1/4" CCP pressure microphone set with SMB connector, ~4 mV/Pa sensitivity, suitable for applications requiring special connector.

· 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: SMB.
  • Type: Pressure.
  • TEDS: Yes.
  • Application: Special connector.
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 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.