GRAS Sound & Vibration manufactures high-quality acoustic measurement equipment, including precision probe microphones for harsh environments and critical research.
GRAS Sound & Vibration A/S is a global leader in acoustic measurement equipment, renowned for providing highly precise and durable testing solutions. Their product line includes specialized probe microphones, condenser microphones, and preamplifiers designed for rigorous testing environments.
Whether conducting sound-pressure measurements in small enclosures or extreme conditions involving high temperatures, GRAS microphones deliver exceptional reliability and an ultra-smooth frequency response. Professionals across aerospace, automotive, and audiology rely on GRAS for critical acoustic data and sound vibration analysis.
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It is used for sound-pressure measurements in small enclosures, harsh environments, and very close proximity to sound sources where standard microphones cannot operate.
You can reach out with questions or feedback regarding their documentation directly via email at gras@grasacoustics.com.
The stainless-steel tubes, such as the 160 mm long probe GR0261, can withstand high tip temperatures up to 800 ºC.
No, GRAS probe microphones are neither intended nor approved for measurements on the human body, and the internal high voltage may be harmful.