Brüel & Kjaer free-field microphones

... pre-polarized 1/2-inch free- field microphone cartridge designed for accurate acoustic measurements in laboratory and field environments. It is built to integrate with standard measurement ...

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• Model: Type 4950
• Product

... prepolarized ½" free- field microphone cartridge designed for precision sound measurements. Intended for integration with professional measurement systems requiring Class 1 performance.

Key features

• Prepolarized

... pre-polarized free- field microphone cartridge designed for precision sound level measurements. It is intended for acoustic measurements requiring IEC 61672 Class 1 accuracy.

Key features

• Pre-polarized

... Product Overview
Type 4188 is a ½\" free- field microphone cartridge designed for precise acoustic measurements in field and laboratory environments.

Applications

• Transport

... Transducers — Acoustic — Microphone cartridges ( Free- field)

• Free-field

... >
Family 4966 is a prepolarized free- field microphone designed for high-precision sound measurements with a wide dynamic range up to 144 dB.

Key features

• Prepolarized free-field

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The Type 4955 is a low-noise ½" pressure- field microphone cartridge designed for sound power and free-field acoustic measurements. It is engineered to provide reliable operation in strong magnetic- field ...

... calibration and field or laboratory characterization
Characteristics / technical specifications

• Model: Type 4954
• Microphone size: 1/4 inch
• Polarization: Pre-polarized
• Acoustic

... Family 4939 is a 1/4" free- field microphone set with external polarization and stainless steel diaphragm and grille, developed for acoustic measurements in extreme industrial environments. Units can be ...