Products

Rugged Microphones

146AE:

The 146AE is a rugged free-field microphone set for all acoustic applications where the microphone can be pointed directly at the sound source. It is optimized for use in harsh environments at temperatures from -40 to 125°C.

Link to GRAS Website:

146AE

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Product Brochure

146AE
147EB:

147EB is a free-field microphone optimized for wheelhouse brake noise testing in the automotive industry. It is designed to withstand the conditions in the wheelhouse during prolonged testing on public roads in all types of climate and weather. A rugged design that withstands shock and vibrations combined with a three-layer protection system for the diaphragm enables it to be used for realistic testing of brakes on proving grounds and public roads.

Link to GRAS Website: 

147EB

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Product Brochure

147EB+Wind1
147EB-Box Open
147EB-cable
147AX:

147AX is a rugged surface-mounted pressure microphone optimized for engine compartment testing in the automotive industry. It combines the high precision and stability of a laboratory microphone with a high level of ruggedness, including the ability to function properly in the most challenging environment with vibrations, oil mists, water spray and dirt and dust – and high temperatures up to 125°C.

Link to GRAS Website:

147AX

Product Information

Application Note