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Why the Pirani Vacuum Logger has this name?

Pirani Vacuum Logger takes its name from Marcello Stefano Pirani who, despite his Italian name, was a German scientist.
The type of sensor named after him is based on the principle of variation of thermal conductivity as pressure changes (especially at values close to vacuum).

But what is Pirani for Tecnosoft?

It is a pressure data logger for extreme vacuum particularly suitable for processes with hydrogen peroxide.
Probably the best data logger for hydrogen peroxide autoclaves (plasma) and for freeze-drying processes you can find today.

It is also available the version of the logger with thread ½ Gass for screwing on a special inlet outside the autoclaves

Read this document about the origin of the name and the way of measuring the pressure