Hunan Stron Smart Co., Ltd
Stron Metering, Smart Life
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Portable Class B STS Standard RF Keypad Type Plastic/Brass Smart Water Meter With Step Tariff Function
The multi-jet STW36-A is a STS (Standard Transfer Specification) compliant, keypad-input type, electronic valve controlled prepayment water meter. It is an ideal domestic water meter for revenue collection and consumer management. The base meter has been supplied and proven by millions of service connections for reliable and cost-effective consumption measurement.
It can be top up with Stronpay vending software directly or communicate with AMI system via DCU and LORA-RF module. Adminiatrator can read, control and recharge the meter remotely on AMI system.
Main Features
1. Users purchases energy by the encrypted 20 digits Token.
2. The meter's Step tariffs function can set different prices by inputting corresponding Token.
3. Vending software is easily integrated with local mobile payment like M-PESA, Alipay, MTN, Airtel, etc.
4. It has excellent event log like recharge record, magnetic detection record and credit clear record.
5. The meter can be set Max overdraft with Stronpay vending software.
6. Meter has Ingress protection IP68 waterproof and up to 8 years battery life.
7. Anti-Tamper Magnetic field protection help utilities for Revenue water protection and consumer management.
Metrological Parameters of different size
| Size | DN15 1/2” | DN20 3/4” | DN25 1” |
| 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
| 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 |
| Function | Details |
| Prepayment | STS Standard, recharge by input 20digits TOKEN. |
| Low credit alarm | Alarm value can be set by inputting corresponding TOKEN. |
| Prepaid and post-paid switch | Meter can be switch to prepaid mode or post-paid mode. |
| Non-return valve | Non-return valve inside for preventing back-flow. |
| Anti-tamper | Meter will automatically close the valve after detection of magnetic field and open cover event. |
| Step Tariff | Step Tariff can be set by inputting corresponding TOKEN. |
| Overdraft Collection | Non- Revenue water (Overdraft) can be collected day by day or month by month. |
| Communication | The meter is available with AMI system through LORA RF or Bluetooth 4.0 on request. |
| Information Inquiry | Consumer could check the data like Credit Remain, Total Purchased and Total Credit by input the short code. |
Step Tariff:
Communication:
Vending Process
By Stronpay vending Software
| Vending Software | STS standard encryption web-based vending software |
| Recharge Token Printer | Thermal Printer, Print TOKEN receipt |
| Handheld Vending Machine | Vending APP in Android system include TOKEN printer |
| Language | English/ French/ Arabic/ Portuguese |
➯ Via local sales point or handheld mobile vending unit
Operation of vending software
Step 1: Login the web-based vending website by inputting the user name, company name and password.
Step 2: Register the solar number and customer information at the library center.
Step 3: Set the price fors for different customers
Step 4: Open an account to combine the meter,customer and price information
Step 5: Get the Token at the Top up center.
Step 6: Input the Token with keypad.
Step 7: Recharging successfully.