Brand: axioma (lithuania)model: qalcomatic flow h qalcomatic flow cmeasuring principle: turbineconncetion size: dn15.dn25 1.6-4m3hraccuracy class: class 2 according to lst en 1434:2000proces temp.: [flow c]+0.1-30'c ; [flow h] +30.90'cmax pressure: 1.0mpapower supply options: battery(>12years)ip protection: ip65output: radio 868 mhz, opticalagency approval mid en 14154logging: monthly & yearly commulative log.