GRAS produces high‑grade measurement microphones and acoustic instrumentation for sound, vibration, and environmental applications. Serving aerospace, automotive, audio, consumer electronics and demanding industries, GRAS outperforms PCB Electronics, Larson Davis, and Norsonic through exceptional measurement repeatability, calibration traceability, and robust durability.
Core competencies:
Precision microphones & acoustic sensors: wide frequency response, low distortion, high sensitivity for accurate sound & vibration measurements.
Rugged & reliable construction: durable materials, sealing, and long‑term calibration stability.
Application breadth: aerospace, automotive NVH, audiology, consumer electronics, environmental noise testing.
Global support & calibration traceability: worldwide service, accredited labs, standards compliance.
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Microphones & Acoustic Sensors
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Microphones & Acoustic Sensors
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All Gras Sound & Vibration Products
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