DN 15 / DN 20 Rotary Piston Water Meter , Volumetric Water Meter

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DN 15 / DN 20 Rotary Piston Water Meter , Volumetric Water Meter Product Description Smart prepaid water meter adopts a contactless IC card to store water volume and monitor water consumption. Customers purchase water volume at vending points and upload water volume by swiping his IC card on the induction area of installed water meter inside or outside home to activate valve, which will open automatically to supply water. During the period of water supply, the built-in microcomputer of water meter will automatically check and subtract the used water volume. Water meter has twice alarm function, when the purchased water volume reaches to alarm volume, water meter will close valve and stop water supply. Customer can resume water supply by swiping his IC card on water meter. When the remain water volume is used up, water meter will stop water supply completely and the customer needs to charge his IC card again. Function&Features Ensures high sensitivity and accurate registration throughout a wide flow range . Mechanical transmission movement equates to maximum reliability . Corrosion resistant body. Liquid-sealed register . Vacuum sealed register ensures the dial kept free from fog and keep the reading clear inlong-term service . Low starting flow rate . Internal non return valve . Internal replaceable strainer . The meters conform to ISO4064 standard Class C . Magnetic drive and resistance to exterior magnet interference . No location limitation for installation . Durable tamperproof construction . Specifications Technical Parameters - - - - Caliber(DN) | 15mm | 20mm | 25mm | 40mm | Measure Unit | 0.1m | Measurement Range Ratio(Q3/Q1) | 63/80/100 | Overflow Flowrate(Q4) | 3m/h | 5m/h | 7m/h | 20m/h | Common Flowrate(Q3) | 1.5m/h | 2.5m/h | 3.5m/h | 10m/h | Demarcation Flowrate(Q2) | 120L/h | 200L/h | 280L/h | 800L/h | Minimum Flowrate(Q1) | 30L/h | 50L/h | 70L/h | 200L/h | Q2/Q1 | 1.6 | Q4/Q3 | 1.25 | Minimum Reading | 0.00005 m | Maximum Reading | 99999 m | Working Temperature | 0.1~40(Cold Water Meter) | 0.1~90(Hot Water Meter) | Working Pressure | 1.6MPa | Pressure Level | P63 | Climate&Mechanical Environment Safety Level | C | Communication Mode | None/RS485/M-bus Water Meter Connection | Static State Current | 3uA | Working Voltage | 3.6V | Standard | GB/T 778.3-2007 | - - - - Maximum Permission Error (MPE) Q1Q,Q2 MPE =+ 5% Q2QQ4, MPE= + 2% (For hot water metering, MPE=+ 3%) Dimension - - - - Caliber | L1 | L2 | L3 | W | H | D | d | DN(mm) | mm | Inch | 15 | 165 | 259 | 14 | 95 | 110 | G3/4B | R1/2 | 20 | 195 | 300 | 16 | 95 | 110 | G1B | R3/4 | - - - - Product Picture

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Shenzhen Hexcell Electronics Technology Co., Ltd

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