vn en
GRAS 46AP
GRAS 46AP
GRAS 46AP

The 46AP is a 1/2" LEMO pressure high sensitivity microphone set with 200V polarization, suitable for sensitive pressure measurements with low noise floor.

· Key Specifications:

  • Sensitivity: 50 mV/Pa (high sensitivity).
  • Dynamic range: 17 dB(A) to 146 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: Pressure high sensitivity.
Product details
Related Products
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 46BH-1
GRAS 46BH-1

The 46BH-1 is a 1/4" LEMO pressure high pressure microphone set with 200V polarization, low sensitivity for very high sound levels.

· Key Specifications:

  • Sensitivity: Low for high pressure.
  • Dynamic range: High peak SPL.
  • Frequency range: High frequency.
  • Operating temperature: -30°C to +100°C.
  • Connector: LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Pressure high pressure.
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.
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 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.
GRAS 46AC
GRAS 46AC

The 46AC is a 1/2" LEMO free-field wide frequency microphone set with 200V polarization, suitable for ultrasonic diagnostics and impulse measurements with low distortion and high resolution from fast diaphragm response.

· Key Specifications:

  • Sensitivity: 50 mV/Pa.
  • Dynamic range: 15 dB(A) to 148 dB.
  • Frequency range: Wide to ultrasonic.
  • Operating temperature: -30°C to +85°C.
  • Connector: 7-pin LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Free-field wide frequency.
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 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.