vn en
GRAS 46BL-1-FV
GRAS 46BL-1-FV
GRAS 46BL-1-FV

The 46BL-1-FV is a 1/4" CCP pressure high sensitivity front vented microphone set, 20 mV/Pa sensitivity, suitable for sensitive measurements with front venting.

· Key Specifications:

  • Sensitivity: 20 mV/Pa.
  • Dynamic range: 24 dB(A) to 146 dB.
  • Frequency range: 4 Hz to 20 kHz.
  • Operating temperature: -30°C to +100°C.
  • Connector: Microdot.
  • Type: Pressure high sensitivity front vented.
  • TEDS: Yes.
  • Venting: Front.
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 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 46AG
GRAS 46AG

The 46AG is a 1/2" LEMO pressure microphone set with 200V polarization, suitable for high sound pressure measurements in couplers or boundaries.

· 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: 7-pin LEMO.
  • Polarization: 200 V.
  • TEDS: Yes.
  • Type: Pressure.
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 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 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 40HT
GRAS 40HT

The 40HT is a 1/2" low-noise probe-like system for confined spaces, very low noise floor, suitable for low sound measurements in tubes or tight areas.

· Key Specifications:

  • Sensitivity: High.
  • Dynamic range: Low noise.
  • Frequency range: Wide.
  • Noise floor: Very low.
  • Connector: Complete system.
  • Polarization: Externally polarized.
  • Design: Probe-like.
  • Application: Confined spaces.