Water meter up to class B of ISO4064
DN15, 20, 25
Water temperature: 0~30° C
Water pressure: 0~1Mpa
Used to measure the total water volume that flow by tap water pipeline.
Water temperature: Not more than 35° C, water pressure less than 1.0MPa
The IC Card water meter is developed from the common dry-type and multiple jet water meters by adding prepayment function, this type of water meter incorporates microchip control technology, LED display, IC Card data exchange and electrical micro-machine controlled valves. The IC Card water meter is featured as compact design, complete function, accurate metering, ease of installation. All technical characters meet the requirements of ISO4064, GB/T778, JB/T8802 and JJG686.
--Prepayment: Meter will shut the valve of meter head automatically and forbid water-using while no water remains in IC Card.
--Alarm: Low battery voltage or remaining water and breakdown or misoperation of valve could be displayed by meter or be alarmed by valve control system.
--Battery activation: Meter can activate battery by discharging it termly to prevent the lagging of Lithium batteries.
--Magnetism interference Alarm: Meter will shut down the valve to forbid water-using illegally while interfered by external magnetism or data-achieving line is spoiled; Using users' card can make the meter to normal unction if external affection is repealed.
--Avoidance of water hoarding: While the remaining water is more than minimum credit amount, it is forbade that users input the new-bought water into meter; As long as the remaining water is less than minimum credit amount, users can input the new-bought water into meter.
--Inspection: Maintenance personnel and background management system can inspect and analyze the data which is read-out by using the inspection card.
|Overload Flow Qmax(m3/h)||3||5||7|
|Normal Flow Qs(m3/h)||1.5||2.5||3.5|
|Transitional Flow Qt(m3/h)||0.12||0.2||0.28|
|Valve Life||≥5000 times|
|Power Supply||3.6Vlithium battery, life≥6 Yrs|
|Security||Unique Card/Meter, Uncopied|
|IC Card Life||≥ 100000 times|
|Static Working Current(uA)||≤6|
|Error Qmin to Qt||≤ ±5%|
|Error Qs to Qt||≤ ±2%|