... and holder 13,M-BUS module6,Temperature sensor 14,Obturating ring7,Waterproof circuit board 15,Reflective surface8 ... temperatue sensors,flowsensors, digital communication technology ststems, and computer chip technologyetc.The key technical indexes:Accuracy class ... \Provides varius reports,including energy analysis13\Automatic biling function,management of the bill charges/arrears management14\Various ...