Naming rules for platinum thermoresistors
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Various definitions of the naming rules for platinum resistance thermometers can be found online, but no corresponding naming standard was identified; for example, in PT100 WZP-269, what does the last digit 9 mean?
There is no unified standard for this; the meaning of the codes used by different manufacturers may not be the same. It is necessary to refer to the selection guides provided by each specific manufacturer.
Oh, it seems there’s no standard. It seems to be a non-standard part