Working Principle
We provide IC card water meter computer management system for customers for free. The system functions include water price setting, rate setting, quick query and recharge, reset balance, change password, query history, overdraft, print receipt, etc BOSTAR water meter offer total solution for you,contains prepaid water meter,smart card,card reader and free management software.
Flow parameter
| DN | Flow range | Q4 | Q3 | Q2 | Q1 | Min reading | Max reading |
| mm | Q3/Q1 | m³/h | m³/h | L/h | L/h | m³ | m³ |
| 15 | 160 | 3.125 | 2.5 | 25.0 | 15.6 | 0.00005 | 99 999 |
| 125 | 3.125 | 2.5 | 32.0 | 20.0 | 0.00005 | 99 999 | |
| 100 | 3.125 | 2.5 | 40.0 | 25.0 | 0.00005 | 99 999 | |
| 20 | 160 | 5 | 4 | 40.0 | 25.0 | 0.00005 | 99 999 |
| 125 | 5 | 4 | 51.2 | 32.0 | 0.00005 | 99 999 | |
| 100 | 5 | 4 | 64.0 | 40.0 | 0.00005 | 99 999 | |
| 25 | 160 | 7.875 | 6.3 | 63.0 | 39.4 | 0.00005 | 99 999 |
| 125 | 7.875 | 6.3 | 80.6 | 50.4 | 0.00005 | 99 999 | |
| 100 | 7.875 | 6.3 | 100.8 | 63.0 | 0.00005 | 99 999 | |
Size and Weight
| DN | Length（L） | Width（B） | Height（H） | Thread | Thread | Weight |
| （mm） | mm | mm | mm | d | D | Kg |
| Horizontal | ||||||
| 15 | 165 | 90 | 115 | R1/2 | G3/4B | 1.2 |
| 20 | 195 | 90 | 115 | R3/4 | G1B | 1.3 |
| 25 | 225 | 97 | 123 | R1 | G1 1/4B | 1.8 |
| 32 | 230 | 104 | 137 | R1 1/4 | G1 1/2B | 2.7 |
| 40 | 245 | 114 | 152 | R1 1/2 | G2B | 3.4 |
| 50 | 280 | 125 | 168 | ① | 4.7 | |
| Vertical type | ||||||
| 15 | 137 | 89 | 100 | R1/2 | G3/4B | 1.4 |
| 20 | 138 | 95 | 100 | R3/4 | G1B | 1.7 |
| 25 | 145 | 97 | 110 | R1 | G1 1/4B | 2.5 |
Performance parameter
| Standby current | ＜7uA（dormancy） | Temperature class | T30 |
| Data acquisition mode | Reluctance sensing | Pressure rating | MAP10 |
| Operating voltage | 2.8～3.2V | Sensitivity level of flow field | U10/D5 |
| Electromagnetic environment class | E2 | Environmental grade | O |
| Storage environment | Ambient temperature：-25℃～55℃，Relative humidity：≤85% | ||
Supply Conditions:
Supply Size:DN15~DN200
Body Material: Brass
Basis meter type:Multi-jet /Ultrasonic water meter
R: 80/100/160(optional)
Max.work pressure: 1.0MPa
Protection class:IP68
Communication:Narrow band(LTE Cat.NB)
Frequency: B3(1800),B5(850),B8(900)
Battery capacity: more than 6 years
Pressure loss: ≤ 0.063mpa
SIM card:Micro SIM card(Type 3FF)
Software: B/S Cloudy serve platform
Software payment: Supply for free
Composition:NB-Iot water meter, Base station, Serve Platform
Functions
1. The management mode of paying first and then using water.
2. Data transmission and transaction settlement are carried out through RF card.
3. Records and electronically display the water consumption, automatically control the water consumption.
4. Display “surplus”, “accumulated” and other water information by swiping IC card.
5. Anti-storage (purchase limitation).
6.Insufficient water warning.
7.Step price can be set.
8.Third-party payment system.
