The tasks of logging ship's control commands, responses, and propulsion system operation can be completely turned over to an automatic printout logging system developed by National Marine Service Incorporated. The bell logger system automatically prints engine order telegraph commands, responses, throttle position, propeller pitch, and shaft rpm. Data and time are recorded for every control or function. The system is extremely flexible, and any parameters may be selected by the vessel operator. Customization to a specific vessel is said to be easy and economical.
The bell logger system is designed for the marine environment, including the printer, whose output is impervious to light, temperature, or humidity. Compatibility with National Marine's master clock system is designed into the automatic logger. According to a National Marine spokesman, the bell logger system is competitively priced and is also compatible with National Marine's monitoring systems for diesel-powered vessels.
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