Global Hydrophone Calibrator Market was valued at USD 31 million in 2026 and is projected to reach USD 66.5 million by 2034, registering a CAGR of 11.6% during the forecast period. Market expansion is supported by rising investments in marine science, offshore energy exploration, and underwater acoustic monitoring programs. The U.S. market size was estimated at USD 120 million in 2026, while the China market is projected to reach USD 110 million by 2034, reflecting strong regional momentum in oceanographic and subsea engineering activities.

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