Front cover for batteries extraction. Display flashing in case of low batteries charge. Maintenance of all data during batteries replacement. Microprocessor and CMOS circuits. Double insulation. Protection degree IP20. Unit weight 0. 22 Kg. Electric featuresContacts rating: 5(3)A 250Vac. Type of action: 1BU (micro disconnection)Voltage-free switching contact. Power supply with two 1,5 V AA alkaline long life batteries without connection to the electric circuit.
