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GRAS 50GI
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.
Product details
Related Products
GRAS 40HH
GRAS 40HH

The 40HH is a 1/2" low-noise system measuring very low sound below hearing threshold, suitable for hard-disk or quiet room measurements with extremely low noise floor.

· Key Specifications:

  • Sensitivity: High.
  • Dynamic range: Very low noise floor.
  • Frequency range: Wide.
  • Noise floor: Below human hearing.
  • Connector: Complete system.
  • Polarization: Externally polarized.
  • Size: 1/2".
  • Application: Hard-disk, quiet rooms.
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.
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 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.
GRAS 46BG
GRAS 46BG

The 46BG is a 1/4" CCP pressure high pressure microphone set, low sensitivity for very high sound levels.

· Key Specifications:

  • Sensitivity: Low (high pressure optimized).
  • Dynamic range: High peak (up to high dB).
  • Frequency range: High frequency.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Type: Pressure high pressure.
  • TEDS: Yes.
  • Peak SPL: Very high.
GRAS 46DP-1
GRAS 46DP-1

The 46DP-1 is a 1/8" LEMO pressure microphone set for tight spaces with 200V polarization, suitable for special applications requiring externally polarized technology.

· Key Specifications:

  • Sensitivity: Approximately 1 mV/Pa.
  • Dynamic range: Wide high frequency.
  • Frequency range: High frequency.
  • Operating temperature: -30°C to +100°C.
  • Connector: LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Size: 1/8".
GRAS 46DE
GRAS 46DE

The 46DE is the smallest 1/8" CCP pressure microphone set in the GRAS line, designed for sound measurements in extremely limited spaces, with high durability and shock resistance for industrial applications.

· Key Specifications:

  • Sensitivity: Approximately 1 mV/Pa.
  • Dynamic range: Approximately 50 dB(A) to 172 dB.
  • Frequency range: 20 Hz to 140 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Polarization: 0 V.
  • TEDS: Yes.
  • Size: Smallest 1/8".
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.