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GRAS 46AF
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.
Product details
Related Products
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 47BG-FV
GRAS 47BG-FV

The 47BG-FV is a miniature 1/4" CCP flush-mount high pressure front vented microphone set, handling very high levels, suitable for surface measurements in limited spaces with front venting.

· Key Specifications:

  • Sensitivity: Low for high pressure.
  • Dynamic range: High peak SPL.
  • Frequency range: High frequency.
  • Operating temperature: -30°C to +100°C.
  • Connector: CCP.
  • Mounting: Flush-mount.
  • Venting: Front.
  • Size: 1/4".
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 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 50GI
GRAS 50GI

The 50GI is a CCP intensity probe with phase-matched pair, direct analyzer connection, including 12-100 mm spacers for wide frequency range 50 Hz to 10 kHz.

· Key Specifications:

  • Sensitivity: 12.5 mV/Pa.
  • Dynamic range: 27 dB(A) to 146 dB.
  • Frequency range: 50 Hz to 10 kHz.
  • Connector: CCP.
  • Phase matched: Yes.
  • Spacers: 12-100 mm.
  • TEDS: Yes.
  • Application: Sound power.
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 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 40PL-11
GRAS 40PL-11

The 40PL-11 is a short version of high pressure CCP free-field array microphone, phase-matched, compact design for limited spaces, handling 150 dB peak levels, suitable for array measurements in confined environments.

· 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.
  • Length: Short.