Ships and marine technology — Propeller shaft revolution indicators — Electric type and electronic type (ISO 22554:2023)
< p class=" MsoBodyText" > < span lang=" EN-GB" > This document specifies the construction, performance requirements, methods of testing, and required test results for electric and electronic propeller shaft revolution indicators (hereinafter referred to as “indicator system”). The requirements in this document are based on those contained in the International Convention for the Safety of Life at Sea (SOLAS) 1974 (as amended, 2000), Clause 2.5.4, Regulation 19, chapter V.< / span>
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