| abstract |
The utility model discloses a kind of removable electric device, and for cleaning dirt, the removable electric device includes mobile device ontology, and the mobile device ontology has Vidacare corp；The contact measurement electrode is installed on the mobile device ontology, and the surface of the contact measurement electrode is equipped with protective layer, and when the contact measurement electrode touches dirt, resistance, capacitor or the impedance of the contact measurement electrode change.The utility model moves electric device, can accurately detect dirt, and have longer service life. |