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.

The 47HC is a 1/2" CCP low-noise system, very low noise floor, suitable for low sound measurements with convenient CCP connection.

· Key Specifications:

• Sensitivity: High.
• Dynamic range: Low noise.
• Frequency range: Wide.
• Noise floor: Very low.
• Connector: CCP.
• Polarization: 0 V.
• Size: 1/2".
• Application: Low noise testing.

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.

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.

The 40HF is a 1" low-noise system measuring sound below human hearing threshold, noise floor below -10 dB, suitable for sound power measurements on very quiet products with extremely wide dynamic range.

· Key Specifications:

• Sensitivity: High.
• Dynamic range: Below -10 dB to high.
• Frequency range: 10 Hz to 10 kHz.
• Noise floor: Very low (below hearing).
• Connector: Complete system.
• Polarization: Externally polarized.
• Size: 1".
• Application: Quiet product testing.

The 46DD-FV is a 1/8" CCP pressure front vented microphone set using 40DD cartridge, suitable for pressure measurements in confined spaces with front venting to minimize static pressure effects, ideal for special coupler applications.

· 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.
• Venting: Front.
• TEDS: Yes.
• Polarization: 0 V.

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 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".