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The IC Card Prepaid Water Meters is a highly intelligent meter with advanced microcomputer control technology as the core and contactless smart card technology as the information transmission method.
The meter is based on a rotary vane water meter and is equipped with a new type of low-power, high-torque output, pressure-loss-free motor control valve, a microcomputer controller and a radio frequency card operation module.
The product performance complies with the national standard GB/T778-2007 and the Ministry of Construction industry standard CJ/T133-2007 and the drinking water and cold water meter safety rules CJ266-2008, and can be used for the metering and charging of water for residences, enterprises and institutions.
Technical Parameters
Ambient temperature: 0~60℃
Relative humidity: ≤85%
Water temperature: 0~30℃ for cold water meter, 0~90℃ for hot water meter
Working pressure: 1MPa
Battery life: ≥6 years
Accuracy level: Class 2
Nominal |
Q3/Q1 |
Overload |
Normal |
Boundary |
Minimum |
m3/h |
|||||
DN15 |
160 |
3.125 |
2.500 |
0.040 |
0.025 |
DN20 |
160 |
5.000 |
4.000 |
0.064 |
0.040 |
DN25 |
160 |
7.875 |
6.300 |
0.102 |
0.063 |
Products features
1. Equipped with radio frequency card, no exposed electrodes, good moisture-proof performance, easy to use.
2. User card is encrypted with double keys, one card and one password.
3. Reminder of insufficient remaining water.
4. Reminder of low battery voltage to replace the battery.
5. With data readback function, when the user takes the card to the management center to purchase water, the cumulative water consumption battery status, number of interferences, etc. in the water meter can be read back to the management center.
6. Small starting flow and high accuracy.
7. Display: purchased water volume, remaining water volume, cumulative water consumption. Users can view the remaining water volume and cumulative water consumption information in the meter through the user card.