Maximum Working Pressure1.6MPa Accuracy ClassClass 2 (ISO4064:2005, Class 1 upon request) Temperature ClassT30, T50 (Higher temperature upon request) Battery Life20 years Ingress ProtectionIP68 Environment Temperature-20~70oC, 100%RH Pressure Loss Climatic and Mechanical EnvironmentClass C Display8 digit LCD Display + prompts Cumulative flow (m3), Instantaneous flow (m3/h), Battery Level, Date and Time, etc. ConnectionsThreads (DN15-40), Flanges (DN50-300) according to ISO Electromagnetic Environment ClassE2 Flow Profile SensitivityU0/D0