Private company

HeinrichsWeikamp

German manufacturer of dive computers and other electronics for recreational diving

HeinrichsWeikamp, based in Germany, is a company that produces sports precision instruments for scuba diving including personal dive computers and oxygen partial pressure monitors for diving rebreathers. Their products: OSTC, OSTC Mk.2, OSTC 2N, OSTC3, OSTC4 and Frog are supported by Subsurface, free software for logging dives authored by Linus Torvalds.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

HeinrichsWeikamp, based in Germany, is a company that produces sports precision instruments for scuba diving including personal dive computers and oxygen partial pressure monitors for diving rebreathers. Their products: OSTC, OSTC Mk.2, OSTC 2N, OSTC3, OSTC4 and Frog are supported by Subsurface, free software for logging dives authored by Linus Torvalds.2

Sources

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