Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of intelligent ic card prepayment digital home water meter in China. If you're going to wholesale high quality intelligent ic card prepayment digital home water meter, welcome to get pricelist and quotation from our factory.
The prepaid water meter is new type of smart water meter that uses modern microelectronic technology, modern sensing technology, and smart IC card technology to measure water consumption and conduct water data transmission and settlement transactions. Intelligent ic card prepayment digital home water meter adopts a pre-paid method, which not only achieves reasonable charging, it will also automatically close the valve when the meter is in arrears.
Product Features
1. Low start-up flow;
2. Base meter adopts of 4-digit pointer, 5-digit character roller for easy and clearreading;
3. Valve adopts rotary-wing construction, with small switch torture distance;
4. Long lifespan, reliable,integated meter body and valve, rational construction;
5. One-card, one-meter with encipherment protection, security guaranteed; valve automatically shut off when impacted by strong magnetic field action
6. Multiple customer type optional, 3 ladder water volumes settable, 3 ladder unit prices settable
7. Leakage flow ≤2L/h
Main technical data
(Ⅰ) Technical specifications
Item | Unit | Details | ||
Nominal diameter | mm | 15 | 20 | 25 |
Q3/Q1 | R80/R100 | |||
Overload flow(Q4) | m³/h | 3.125 | 5 | 7.875 |
Nominal flow(Q3) | m³/h | 2.5 | 4 | 6.3 |
Transitional flow(Q2) | m³/h | 0.05 | 0.08 | 0.13 |
Minimum flow(Q1) | m³/h | 0.031 | 0.05 | 0.08 |
Accuracy class | Class 2 | |||
Maximum indication | m³ | 99999 | ||
Temperature class | T30,T90 | |||
Pressure class | MAP 10/MAP16 | |||
Pressure loss class | ΔP63 | |||
Flow prefile sensitivity class | U10/D5 | |||
environmental class | Class B | |||
Electromagnetic environment class | E1 | |||
Static current | uA | <10 | ||
(Ⅱ) Relative error
·Maximum permissible error between Q1 and Q2(excluded) is ±5% in flow low area.
·When the water temperature is not higher than 30℃, maximum permissible error between Q2 and Q4(included) is ±2% in flow high area.
·When the water temperature is higher than 30℃, maximum permissible error between Q2 and Q4(included) is ±3% in flow high area.
(Ⅲ) Working temperature: cold water (0.1~30)℃
(IV) Operating ambient temperature: (5~55)℃
(V) Storage environmental temperature: (-5~55)℃
Fault handling instructions
Item | Fault display | Fault explanation | Elimination methods |
1 | Under voltage | Low battery | Contact the manufacturer |
2 | Flow | Flow sensor signal failure | |
3 | Valve open/close | Valve sticking rusting or scaling | |
4 | Can not read card | Write card erroror take the wrong card | Go to water supply department to test the card |
Outline dimensional drawing
Nominal Diameter | Length L | Length L1 | Width B | Height H1 | Height H2 | Connecting Thread | |
mm | d | D | |||||
15 | 258 | 165 | 90 | 112 | 184 | R1/2 | G3/4B |
20 | 299 | 195 | 90 | 112 | 184 | R3/4 | G1B |
25 | 345 | 225 | 90 | 114 | 186 | R1 | G11/4B |
FAQ
1. Can Water Meter Accept Multiple User Cards
Our water meter is a one-meter-one-card system. The water meter only recognizes a user card.
2. How to deal with the loss of a user card
Please fill in the card in the software. After filling in the card, all the data of the user card in the system will be transferred to the new IC card.
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