The Collaborative International Dictionary
Self-registering
Self-registering \Self`-reg"is*ter*ing\, a. Registering itself; -- said of any instrument so contrived as to record its own indications of phenomena, whether continuously or at stated times, as at the maxima and minima of variations; as, a self-registering anemometer or barometer.
Usage examples of "self-registering".
So does the stone Bodhisat sit who looks down upon the patent self-registering turnstiles of the Lahore Museum.