Description Features Stainless Steel Pipe Material. Range Is Up To 400. No Moving Parts, Accuracy Will Not Change After Long Term Working. With Functions of Self-diagnosis, Flow Sensor Alarm, Temperature Sensor Alarm, Over Range Alarm and Battery Under Voltage Alarm. Low Consumption Design, Battery Can Continuously Work For 6 Years. With Optic Electric Interface, Hand-held Infrared Meter Reading Tool Can Read Directly.   Technical Specifications Accuracy Class ISO 4064 and Accuracy Class 2 Body Material Stainless SS 304 Temperature Class 86 °F (T 30 °C) Working Pressure 232.06 Psi (1.6 Mpa) Protection Class Ip 68 Climatic and Mechanical Environment Class O Pressure Loss P 25 and P 40 Electromagnetic Class E 2 Communication RS 485 and M-Bus Lorawan Display 8 Digits LCD Display and Flow Rate and Low Battery Power Alarm and Flow Direction Output. Connection Thread Connection Flow Profile Sensitivity Class U 5 or D 3 Data Storage Store The Data of Day or Month and Year Frequency 1 Time to 4 Times Humidity 100 % Rh Environmental Temperature -40 °F to 158 °F (-40 °C to 70℃) Weight 11 Lbs to 22 Lbs (5 Kg to 10 Kg) Dimension 10 In X 14 In (250 Cm X 350 Cm)