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.

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".

The 40PH-10 is a low-cost CCP free-field array microphone, precisely phase-matched, with wide frequency range up to 20 kHz, dynamic range up to approx. 135 dB peak, suitable for multi-channel measurements, noise source location, and beamforming with low cost for multiple units.

· Key Specifications:

• Sensitivity: Approximately 10 mV/Pa.
• Dynamic range: Approximately 30 dB(A) to 135 dB peak.
• Frequency range: Up to 20 kHz.
• Operating temperature: -30°C to +100°C.
• Connector: SMB.
• Polarization: 0 V (prepolarized).
• TEDS: Yes.
• Application: Array, phase-matched.

The 46AZ is a 1/2" CCP free-field low-frequency microphone set, high sensitivity for measuring infrasound like wind turbine or low vibration.

· Key Specifications:

• Sensitivity: High (low frequency optimized).
• Dynamic range: Wide low noise.
• Frequency range: Low frequency (down to low Hz).
• Operating temperature: -30°C to +85°C.
• Connector: BNC.
• Type: Free-field low frequency.
• TEDS: Yes.
• Application: Wind turbine, infrasound.

The 46AO is a standard 1/2" CCP pressure microphone set, 12.5 mV/Pa sensitivity, suitable for high sound pressure measurements with wide dynamic range.

· 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: BNC.
• Type: Pressure.
• TEDS: Yes.
• Standard: IEC 61094.

The 46BF-1 is a standard 1/4" LEMO free-field microphone set with 200V polarization, suitable for high-frequency and high-level measurements with mini LEMO connector.

· Key Specifications:

• Sensitivity: ~4 mV/Pa.
• Dynamic range: 35 dB(A) to 160 dB.
• Frequency range: 4 Hz to 80 kHz.
• Operating temperature: -30°C to +100°C.
• Connector: 5-pin LEMO mini.
• Polarization: 200 V.
• TEDS: Yes.
• Type: Free-field.

The 47BG-FV is a miniature 1/4" CCP flush-mount high pressure front vented microphone set, handling very high levels, suitable for surface measurements in limited spaces with front venting.

· Key Specifications:

• Sensitivity: Low for high pressure.
• Dynamic range: High peak SPL.
• Frequency range: High frequency.
• Operating temperature: -30°C to +100°C.
• Connector: CCP.
• Mounting: Flush-mount.
• Venting: Front.
• Size: 1/4".

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.