Prepaid Digital Smart IC Card Water Meter Apartment Water Meters
Smart card prepaid water meters can bring a lot of convenience for water supply management departments and water users,The wIC card smart water meter (IC card water meter, magnetic card water meter, electronic water meter) can be divided into contact smart water meter, non-contact smart water meter, non-contact smart water meter, commonly known as: RF card water meter, card swiping water meter, card swiping water meter, which are widely used in households, apartments, business buildings and other places where tap water and hot water are charged by households.
Characteristics:
♦ Ladder water price can be set♦ Prevent arrears of water charges.
♦ Card replacement recycling transfer function.
♦ Mechanical and electronic display.
♦ IP68 waterproof, can work in water.
♦ Anti magnetic and anti vibration.
♦ Alarm function.
Product Parameters:
1. Working voltage: DC3.6V ± 0.6V2. Static current: ≤ 20 μ A
3. Working current:<40mA (temperature 15 ℃~35 ℃)
4. Max work pressure: PN16.
5. Pressure loss: ≤0.1Mpa
6. Water temperature: T30, T90
7. Standards: ISO4064 Class B
8. Certificate: ISO, CE, etc.
9.Software: free for clients
Technical parameter:
DN (mm) | Class | Max. Flow (Q4) | Common flow (Q3) | Boundary flow (Q2) | Min. Flow (Q1) | Min. reading | Max. reading |
M3/h | M3 | ||||||
DN15 | B | 3.125 | 2.5 | 0.05 | 0.03125 | 0.0001 | 99999 |
DN20 | B | 5 | 4 | 0.08 | 0.05 | 0.0001 | 99999 |
DN25 | B | 7.875 | 6.3 | 0.126 | 0.07875 | 0.0001 | 99999 |
DN32 | B | 12.5 | 10 | 0.2 | 0.125 | 0.0001 | 99999 |
DN40 | B | 20 | 16 | 0.32 | 0.2 | 0.0001 | 99999 |
DN50 | B | 31.25 | 25 | 0.5 | 0.3125 | 0.001 | 999999 |
Data and flow error curve:
Error range:
A. Slow flow (Q1≤Q＜Q2), Max permissible errors: ±5 %B. Water temperature≤30℃, Fast flow (Q2≤Q≤Q4), Max permissible errors: ±2
Water temperature＞30℃, Fast flow (Q2≤Q≤Q4), Max permissible errors: ±3%
Prepaid water meter types:
