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 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.

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 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.

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 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 46BG-FV is a 1/4" CCP pressure front vented high pressure microphone set, low sensitivity for high levels with front venting.

· Key Specifications:

• Sensitivity: Low.
• Dynamic range: High peak.
• Frequency range: High.
• Operating temperature: -30°C to +100°C.
• Connector: Microdot.
• Type: Pressure front vented high pressure.
• TEDS: Yes.
• Venting: Front.

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.