SPECIFICATION: Case: Die cast aluminum body Nominal flow-rate (Qn): 1 m3/h Maximum flow-rate (Qmax): 1.6 m3/h Minimum flow-rate (Qmin): 0.016 m3/h Total pressure absorption:≤160 Pa Operation pressure range: 0.5-30 kPa Cyclic volume:0.7 l/rev. Permissible error: Qmin≤Q<0.1Qmax 3% 0.1Qmax≤Q≤Qmax 1.5% Min. recording reading: 0.2 dm3 Max. recording reading: 9999.999 m3 Operation ambient temperature: -20-+40 Service life: ≥10years Storage temperature: -20-+50 Central distance: 130 mm Connection thread: M30x2mm (or by customized) Dimension:: H234xW174xD123 mm Weight: 1.95kg Surface: Polyester powder plastics coating (gray) Note: Printed index cover of polycarbonate