LXSZ waterproof series IC (radio frequency) card prepaid water meter is a water meter with high-precision metering and pre-paid management functions.The water meter has prepaid water, valve control, usage, display, fault alarms and other functions can effectively improve the water recovery rate of the management department.And convenient for users to buy water,Products are compliance with GB/T778-2007 <<<Measurement of water flow in closed pipelines drinking cold water meter and hot water meter>>, GB/T778-1996<<cold water meter>> and CJ/T133-2007<<IC card cold water meter >> Various requirements.
1.The circuit part of the water meter is designed with a unique waterproofing bin and “three-proof” coating material to ensure good moisture and water resistance of the water meter
2.The user can purchase water in advance, and the valve is automatically closed after the water is used up, which is convenient for management
3.The water meter adopts two-level alarm function, which displays the alarm by buzzer alarm, and the way of closing the valve alarm reminds the user to purchase water in time.;
4.Adopt logical encryption IC card, data adopts dynamic encryption technology, one meter and one card, high security, long service life and high reliability;
5.The water meter has a complete self-checking function, which can alarm and display the battery voltage, card error, disconnection and other fault buzzer.;
6.The base part is made of all-copper integrated wet multi-stream pulse sampling water meter, with high measurement accuracy, good sealing performance and high reliability;
1.smart water meter
2.complete self-checking function
3.one meter and one card
4.good sealing performance
Diameter | DN15~DN32 |
Accuracy | 2.0 grade |
Executive standard | GB/T778-2007 |
Execution verification procedure | JJG162-2009 |
Power supply | 3.6V lithium battery |
Water temperature range | 0.5~30℃ |
Nominal pressure | ≤1.0Mpa |
Maximum permissible errors | Q1~Q2:±5% |
Q2~Q4:±2% |
Flow range
Diameter (DN)mm |
Class | Max flow Q4 | Permanent Flow Q3 | Transitional Flow Q2 | Min Flow Q1 | Min Reading | Max Reading | |
m³/h | m³ | |||||||
15 |
2 grade | 3.125 | 2.5 | 0.05 | 0.031 |
0.1 |
99999.9 | |
20 | 5.0 | 4.0 | 0.08 | 0.05 | ||||
25 | 7.875 | 6.3 | 0.126 | 0.079 | ||||
32 | 12.5 | 10.0 | 0.2 | 0.125 |
Diameter (DN)mm | Total length (with two copper connectors) | Length | Thread |
15 | 255 | 165 | G3/4B |
20 | 290 | 195 | G1B |
25 | 340 | 225 | G1/4B |
32 | 365 | 230 | G1/2B |