GERMAN MADE HIGH-PERFORMANCE COLD WATER METER, Class C Performance Capable Industrial, Municipal, Commercial and District Metering Applications Meistream Plus replaces the need to use combination meters. Individually tested and certified to ISO/EEC Class C, Hydro-dynamically balanced rotor, IP68 rated copper/glass rotatable register, pulse-Opto and automatic meter read/radio read output options. Lowest starting flow. Large Turbine meters available. 50°C maximum water temperature. OIML Class 2 Pattern Approved Certified. ISO/EEC approved interchangeable measuring element. Flanged to AS4087 PN16