Ships and marine technology — Transmitting heading devices (THDs) — Part 1: Gyro-compasses
This part of ISO 22090 specifies the construction, performance, and testing of gyro-compasses as transmitting heading device required by chapter V, SOLAS 1974 (as amended).
A Transmitting heading device (THD) is an electronic device that provides information about the ship’s true heading.
In addition to the general requirements contained in IMO Resolution A.694(17) to which IEC 60945 is…
Ships and marine technology — Transmitting heading devices (THDs) — Part 3: GNSS principles
This part of ISO 22090 specifies general requirements, construction, performance, and testing of transmitting heading device using GNSS principle as required by chapter V, SOLAS 1974 (as amended).
A transmitting heading device (THD) is an electric device that provides information about the ship's true heading.
In addition to the general requirements contained in IMO Resolution A.694(17) to…
Ships and marine technology — Transmitting heading devices (THDs) — Part 2: Geomagnetic principles
This part of ISO 22090 specifies the construction, performance, and testing of a device employing only magnetic means as transmitting heading devices required by chapter V, SOLAS 1974 (as amended).
A Transmitting Heading Device (THD) is an electronic device that provides information about the ship’s true heading.
In addition to the general requirements contained in IMO Resolution A.694(17) to…
Controls and protective devices for gaseous and liquid fuels — General requirements
ISO 23550 specifies safety, construction, performance and testing requirements for controls for gas burners and gas burning appliances for use with gaseous fuels (see definitions).
This document applies to controls with a declared maximum operating pressures up to and including 500 kPa with connections up to and including DN 250. This document provides the general requirements that are intended…
