TYPE 4176

1/2-INCH FREE-FIELD MICROPHONE, PREPOLARIZED

Free-field microphone for sound level meter measurements over a frequency response of 6.5 Hz To 12.5 kHz.

• Dynamic range : 14 – 142 dB
• Frequency range : 6.5 – 12500 Hz
• Polarization : Prepolarized
• Sensitivity : 50 mV/Pa
• Standards: IEC61672 class 1 and ANSI S 1.4 Type 1

Download: Datasheet - Type 4176

TYPE 4188

1/2-INCH FREE-FIELD MICROPHONE, PREPOLARIZED

Free-field microphone for measurements in transport-noise measurements, architectural acoustics and electroacoustics over a frequency range of 8 Hz to 12.5 kHz.

• Dyn. range : 15.8 – 146 dB
• Freq. range : 8 – 12500 Hz
• Polarization : Prepolarized
• Sensitivity : 31.6 mV/Pa
• Standards: IEC61672 class 1 and ANSI S 1.4 Type 1

Download: Datasheet - Type 4188

TYPE 4189

½-INCH FREE-FIELD MICROPHONE, PREPOLARIZED

Type 4189 is designed for high-precision, free-field measurements where a microphone with high sensitivity is required. Being prepolarized, the microphone can be used with both DeltaTron and classical preamplifiers.

• Dyn. range : 14.6 – 146 dB
• Freq. range : 6.3 – 20000 Hz
• Polarization : Prepolarized
• Sensitivity : 50 mV/Pa
• Standards : IEC 61094-4 WS2F and IEC61672 class 1

Download: Datasheet - Type 4189

TYPE 4190

1/2-INCH FREE-FIELD MICROPHONE, EXTERNAL POLARIZED

Free-field microphone designed for high-precision measurements, requiring high sensitivity with a frequency response of 3 Hz to 20 kHz.

Download: Datasheet - Type 4190

TYPE 4939

1/4-INCH FREE-FIELD MICROPHONE, EXTERNAL POLARIZED

Free-field microphone designed for high-level and high-frequency measurements over a frequency range of 4 Hz to 100 kHz.

Download: Datasheet - Type 4939

TYPE 4940

1/2" FREE-FIELD MICROPHONE, PREPOLARIZED

Free-field microphone for outdoor and industrial environment measurements and frequency analysis measurements from 2 Hz to 20 kHz.

• Dyn. range : 14.6 – 146 dB
• Freq. range : 6.3 – 20000 Hz
• Polarization : Prepolarized
• Sensitivity : 50 mV/Pa
• Standards : IEC 60651 TYPE 1

Download: Datasheet - Type 4940

TYPE 4950

1/2-INCH FREE-FIELD MICROPHONE, PREPOLARIZED

Free-field microphone designed for accurate sound measurements (IEC 61672 Class 1 and ANSI S 1.4 Type 1) over a frequency range of 6.5 Hz to 16 kHz.

Download: Datsheet - Type 4950

TYPE 4954

1/4-INCH FREE-FIELD MICROPHONE, PREPOLARIZED

High-level and high-frequency Microphone Set Type 4954-B is delivers great measurement performance, while the laser welded stainless steel diaphragm and a stainless steel protection grid, make this microphone capable of withstanding rough environments.

Download: Datasheet - Type 4954

TYPE 4964

1/2-INCH INFRASOUND MICROPHONE, PREPOLARIZED

Infrasound microphone specifically designed for high-precision, acoustic measurements with high sensitivity in the frequency range of 0.02 Hz to 20 kHz.

Download: Datasheet - Type 4964

1/2-INCH FREE-FIELD MICROPHONE, PREPOLARIZED

Free-field microphone designed for high‐precision and high sensitivity measurements with a frequency response of 5 Hz to 20 kHz.

Download: Datasheet - Type 4966