Prepaid RF card wet type water meter

Features

1.IC card water meter use pre-paid way to achieve the new management mode of "purchase first, then use ".

2.Show the different level price of the water, one card can be used to several meter.

3.Double reading display: mechanical and electronic reading.

4.the unique battery protection.

5.Stable performance, wide application.

6.Low power consumption, long life time.

7.Electronic part is vacuum sealed.

8.Anti-jamming and resist exterior magnet interference.

Main technical data

1.Water meter temperature grade:T30, T50, T70, T90.
2.Pressure grade: MAP10.
3.Pressure loss grade: △P63.
4.Upstream disturbance grade: U5.
5.Downstream disturbance grade: D0.

Max permissible error

a)In the lower zone from Q1 inclusive up to but excluding Q2 is ±5%.    
b)If the temperature≤30ºC,  In the upper zone from Q2 inclusive up to and including Q4 is ±2%.
c)If the temperature>30ºC,  In the upper zone from Q2 inclusive up to and including Q4 is ±3%.

Electric technical data

Flow technical data