A method of operating dosing system

摘要

1. A method of operating the metering installation comprising injecting reagent periodic maintenance installation and emergency protection, characterized in that the emergency protection system is adapted to detect unauthorized opening installation by fixing to the control station fishing tamper signal installation and comparison with the time of receipt of service time installation under the approved schedule. ! 2. A method according to claim 1, characterized in that the signal installation of unauthorized opening is obtained by opening its door.