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GRAS 147AX
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.
Product details
Related Products
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 46AO-S2
GRAS 46AO-S2

The 46AO-S2 is a very short 1/2" CCP pressure microphone set, 12.5 mV/Pa sensitivity, suitable for measurements in confined spaces with short preamplifier.

· Key Specifications:

  • Sensitivity: 12.5 mV/Pa.
  • Dynamic range: 20 dB(A) to 160 dB.
  • Frequency range: 3 Hz to 10 kHz.
  • Operating temperature: -30°C to +85°C.
  • Connector: Microdot.
  • Type: Pressure very short.
  • TEDS: Yes.
  • Length: Very short.
GRAS 46DD
GRAS 46DD

The 46DD is the smallest 1/8" CCP pressure microphone set using 40DD prepolarized cartridge, suitable for sound pressure measurements in very tight spaces, couplers or high-frequency environments, with high reliability and TEDS support.

· Key Specifications:

  • Sensitivity: Approximately 1 mV/Pa.
  • Dynamic range: Approximately 45 dB(A) to 170 dB.
  • Frequency range: 10 Hz to 140 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Polarization: 0 V (prepolarized).
  • TEDS: Yes.
  • Standard: IEC 61094.
GRAS 50GI-R
GRAS 50GI-R

The 50GI-R is a CCP intensity probe with remote control for distant measurements, phase-matched, convenient for hard-to-reach applications.

· Key Specifications:

  • Sensitivity: 12.5 mV/Pa.
  • Dynamic range: Wide.
  • Frequency range: IEC Class 1.
  • Connector: CCP.
  • Remote control: Yes.
  • Phase matched: Yes.
  • Spacers: Multiple.
  • Application: Remote intensity.
GRAS 46AE
GRAS 46AE

The 46AE is a standard 1/2" CCP free-field microphone set with 50 mV/Pa sensitivity, suitable for measuring medium sound pressure levels at medium frequencies, with TEDS and BNC connector. Standard design for general acoustic diagnostics, wide dynamic range.

· 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.
  • Polarization: 0 V (prepolarized).
  • TEDS: Yes.
  • Standard: IEC 61094 WS2F.
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 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 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.