Payment & Shipping Terms:
|Type:||Prepaid Water Meter||Size:||DN15 -1/2 Inch|
|Control:||Ball Valve||Electric:||RF Type IC Card|
|Software:||Free Of Charge||Meter Material:||Brass|
Prepaid water meter, RF type IC card, for water utility billing Size DN15 - DN200 Brass housing
How to use
The IC card prepaid water meter adopts a RF type IC card to store water volume and monitor water consumption. Customers purchase water volume at vending points and upload water volume by contactlessly 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.
Basic water meter feature:
Maximum Permissible Error:
(1) Between qt (included) and qs is ±2%;
(2) Between qmin and qt (excluded) is ±5%.
|Description||Unit||Hydraulic data and dimensions|
|Nominal size||mm(inch)||DN15 (1/2")||DN20(3/4")|
|Overload flow rate (Qs)||m3/h||2||3|
|Permeanent flow rate (Qp)||m3/h||1||1.5|
|Transitional flow rate (Qt)||l/h||80||120|
|Minimum flow rate (Qmin)||l/h||20||30|
|Max work pressure||MPa||1.6||1.6|
|Pressure difference at Qs||Mpa||<0.1||<0.1|