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GRAS 46AE
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.
Product details
Related Products
GRAS 46AN
GRAS 46AN

The 46AN is a 1/2" LEMO free-field low-frequency microphone set with 200V polarization, suitable for infrasound and low-frequency measurements like wind turbine with high sensitivity.

· Key Specifications:

  • Sensitivity: High for low frequency.
  • Dynamic range: Wide low noise.
  • Frequency range: Low frequency optimized.
  • Operating temperature: -30°C to +85°C.
  • Connector: 7-pin LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Free-field low frequency.
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 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 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 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 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 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.