マイクロホンカートリッジ

ブリュエル・ケアーのマイクロホンカートリッジは、さまざまな計測用途に適しています。4種類のマイクロホンは、特定の環境、産業、測定条件に対する音場と適応性を定義しており、自由音場、圧力音場、拡散音場、特殊マイクロホンと呼ばれています。B&Kのマイクロホンカートリッジは直径1インチ、1/2インチ、1/4インチ、1/8インチの各サイズがあり、マイクロホン用プリアンプが必要です。

TYPE 4176

½-inch Free-field Microphone, Prepolarized, 6.5 Hz – 12.5 kHz

Free-field microphone for sound level meter measurements (IEC61672 class 1 and ANSI S 1.4 Type 1) over a frequency response of 6.5 Hz To 12.5 kHz.
- Dyn. range : 14 – 142 dB
- Freq. range : 6.5 – 12500 Hz
- Polarization : Prepolarized
- Sensitivity : 50 mV/Pa
- Standards :
4188型

1/2インチ 8 Hz～12.5 kHz 偏極型自由音場マイクロホン

交通騒音、建築音響、電気音響等の測定用に設計されたエコノミーマイクロホン
- Dyn. range : 15.8 – 146 dB
- Freq. range : 8 – 12500 Hz
- Polarization : Prepolarized
- Sensitivity : 31.6 mV/Pa
- Standards :
4189型

1/2インチ 6.3 Hz～20 kHz 偏極型自由音場マイクロホン

20 kHz まで測定できる感度の高いマイクロホンが要求される、高精度の自由音場測定用
- Dyn. range : 14.6 – 146 dB
- Freq. range : 6.3 – 20000 Hz
- Polarization : Prepolarized
- Sensitivity : 50 mV/Pa
- Standards : IEC 61094-4 WS2F
TYPE 4940

½-inch Free-field Microphone, Prepolarized, IEC 60651 Type 1

Free-field microphone for outdoor and industrial environment measurements (IEC 60651 Type 1) 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 :
4942型

1/2インチ 6 Hz～16 kHz 偏極型拡散音場マイクロホン

一般的なランダム入射場の測定やANSI規格に準拠した標準的な騒音測定用
- Dyn. range : 14.6 – 146 dB
- Freq. range : 6.3 – 16000 Hz
- Polarization : Prepolarized
- Sensitivity : 50 mV/Pa
- Standards :
TYPE 4944

1/4" Pressure-field Microphone, Prepolarized

Type 4944 is a ¼-inch Prepolarized Pressure-field Microphone designed for high-level and high-frequency measurements over a frequency range of 4 Hz To 70 kHz.
- Dyn. range : 30 – 170 dB
- Freq. range : 4 – 70000 Hz
- Polarization : Prepolarized
- Sensitivity : 0.9 mV/Pa
- Standards : IEC 61094-4 WS3P
TYPE 4947

½-inch Pressure-field Microphone, Prepolarized, 8 Hz – 10 kHz

Pressure-field microphone designed for coupler measurements in connection with telephone and hearing aid testing over a frequency range of 8 Hz To 10 kHz.
- Dyn. range : 17.5 – 160 dB
- Freq. range : 8 – 10000 Hz
- Polarization : Prepolarized
- Sensitivity : 12.5 mV/Pa
- Standards :
TYPE 4950

½-inch Free-field Microphone, Prepolarized (IEC 6172 Class 1)

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.
- Dyn. range : 15 – 142 dB
- Freq. range : 6.5 – 16000 Hz
- Polarization : Prepolarized
- Sensitivity : 50 mV/Pa
- Standards :
TYPE 4953

½-inch Pressure-field Microphone, Prepolarized, 3 Hz – 10 kHz

Pressure-field microphone designed for coupler measurements and in-cabin measurements (complying to ANSI standards) over a frequency range of 3 Hz to 10 kHz.
- Dyn. range : 16 – 146 dB
- Freq. range : 3 – 10000 Hz
- Polarization : Prepolarized
- Sensitivity : 50 mV/Pa
- Standards :
4954型

1/4インチ 4 Hz～100 kHz 偏極型自由音場マイクロホン

高音圧・高周波音の測定用
- Dyn. range : 35 – 165 dB
- Freq. range : 4 – 100000 Hz
- Polarization : Prepolarized
- Sensitivity : 3.16 mV/Pa
- Standards : IEC 61094-4 WS3F
TYPE 4964

½-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.
- Dyn. range : 14.6 – 146 dB
- Freq. range : .02 – 20000 Hz
- Polarization : Prepolarized
- Sensitivity : 50 mV/Pa
- Standards : IEC 61094-4 WS2F
4966型

1/2インチ5 Hz〜20 kHz 偏極型自由音場マイクロホン

高感度のマイクロホンが必要とされる高精度、自由音場の測定用に設計されています。
- Dyn. range : 14.6 – 144 dB
- Freq. range : 5 – 20000 Hz
- Polarization : Prepolarized
- Sensitivity : 50 mV/Pa
- Standards : IEC 61094-4 WS2F
TYPE 4971

½-inch Pressure-field Microphone, Prepolarized, 5 Hz – 20 kHz

Pressure-field microphone for precision coupler measurements, random incidence, and free-field measurements with 90°C incidence over a frequency range of 5 Hz to 20 kHz.
- Dyn. range : 19 – 162 dB
- Freq. range : 5 – 20000 Hz
- Polarization : Prepolarized
- Sensitivity : 12.5 mV/Pa
- Standards : IEC 61094-4 WS2P

マイクロホンカートリッジ

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