Spanish translation: trazador de plumas, registrador gráfico
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English to Spanish translations [PRO] Tech/Engineering / pen recorder, digital, naval
English term or phrase:pen recorder
That is a digital pen, I have found this term in a naval context. It is used with an echo sounder.
E.g. The received pulse is displayed on a chart by a pen recorder so that the navigator can see the outline of the bottom over which the vessel is passing.
Thanks for your help!