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GRAS 46AM
GRAS 46AM
GRAS 46AM

The 46AM is a 1/2" CCP free-field microphone set with wide frequency range, 50 mV/Pa sensitivity, suitable for high-frequency sound measurement with extended dynamic range.

· Key Specifications:

  • Sensitivity: 50 mV/Pa.
  • Dynamic range: 15 dB(A) to 148 dB.
  • Frequency range: 2.6 Hz to 70 kHz.
  • Operating temperature: -30°C to +85°C.
  • Connector: BNC.
  • Type: Free-field wide frequency.
  • TEDS: Yes.
  • Standard: IEC 61094.
Product details
Related Products
GRAS 46AF
GRAS 46AF

The 46AF is a standard 1/2" LEMO free-field microphone set with 200V polarization, equivalent to CCP 46AE, suitable for medium sound level measurements with high accuracy for general diagnostics.

· 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: 7-pin LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Free-field standard.
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 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 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 50GI-P
GRAS 50GI-P

The 50GI-P is a rugged CCP intensity probe for heavy industrial environments, phase-matched, high durability with spacers for wide frequency range.

· Key Specifications:

  • Sensitivity: 12.5 mV/Pa.
  • Dynamic range: Wide.
  • Frequency range: IEC Class 1.
  • Connector: CCP.
  • Phase matched: Yes.
  • Rugged: Yes.
  • Spacers: 12-50 mm.
  • Application: Heavy industrial.
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-FV
GRAS 46BD-FV

The 46BD-FV is a 1/4" CCP pressure front vented microphone set, ~4 mV/Pa sensitivity, suitable for pressure measurements with front venting in special spaces.

· 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 front vented.
  • TEDS: Yes.
  • Venting: Front.
GRAS 40HT
GRAS 40HT

The 40HT is a 1/2" low-noise probe-like system for confined spaces, very low noise floor, suitable for low sound measurements in tubes or tight areas.

· Key Specifications:

  • Sensitivity: High.
  • Dynamic range: Low noise.
  • Frequency range: Wide.
  • Noise floor: Very low.
  • Connector: Complete system.
  • Polarization: Externally polarized.
  • Design: Probe-like.
  • Application: Confined spaces.