Hunan Stron Smart Co., Ltd
Stron Metering, Smart Life
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IP68 Keypad Prepaid Water Meter Multi-jet Non-return Valve
Product introduction
The STW36-A is keypad type prepaid water meter with STS standard.Its battery is low power consumption and can work up to 8 years life,LCD has real time o-clock of local place.With ingress protection IP68 waterproof,it can perfectly work even under water,automatic valve controlling is with microcomputer technology,when monitoring tamper action or no credits,valve will be closed then.If people need to reopen it,they must go to utility and get TOKENS to solve this problem.
Step price can be set by utility on request.The integrated keypad of water meter is used to input top-up TOKEN and check information by short codes.The meter is normally installed inside customer’s house where users reach..Their basic function is meter recharge by inputting 20 digits TOKEN;Alarm value setting by inputting corresponding TOKEN;Non-return valve inside for preventing back-flow.It has certificated with STS,ISO 9001,ISO 14001,ISO 4046.
Characteristics and functions
| ●Valve-control water meters are multi-jet. ●Ball valve adopted,motor-driven. ●It could be used as keypad water meter. ●Fully sealed installation of modules,secure and reliable. ●Ingress IP68 waterproof protection ●Up to 8 years battery life ●Automatic valve controlling ●STS standard ●Real time o-clock ●Utilities can set step price into meter on request ●Anti-Tamper Magnetic field protection ●RF-LoRa communication(optional) ●Pay by mobile payment M-PESA, Alipay, MTN, Airtel, etc |
Technical parameters of different size
| Size | DN15 1/2” | DN20 3/4” | DN25 1” |
| Length(L) | 165/190 | 190 | 225/260 |
| Width(W) | 99 | 99 | 103 |
| Height(H) | 104 | 106 | 114 |
| Connecting Thread | G3/4B | G1B | G1-1/4B |
| Overload flow rate Q4 | 3.13 | 5 | 7.87 |
| Permanent flow rate Q3 | 2.5 | 4 | 6.3 |
| Transitional flow rate Q2 | 0.04 | 0.064 | 0.1 |
| Minimum flow rate Q1 | 0.025 | 0.04 | 0.063 |
| Ratio ”R” Q3/Q1 | 100 | 100 | 100 |
Features
| ✽ Maximum working pressure: 16 Bar ✽ Maximum pressure loss: 0.6 Bar ✽ Maximum reading: 99999 ✽ Working temperature: <50℃ ✽ Error: Q1≤Q≤Q2 5%; Q2≤Q≤Q4 2% |
Meter dimension
Input purchase TOKEN into meter with keypad
1.Input 20 digits TOKEN into the keypad. Keypad and water meter remain in the effective range of communication.
2.Confirm the number on the LCD.
3.If token input is not correct, please use the keypad "back button" to delete.
4.After input 20 digits TOKEN, please click "Enter button", so that the token is confirmed
5.If token input is correct, the LCD will display "accept" and buying water succeeds.
6.If token input is not correct, the LCD will display "reject".