Place of Origin:
Hunan
Brand Name:
Stron
Certification:
STS
Model Number:
STW36-A
STS Smart keypad type anti-tamper Prepaid Water Meter
The STW36-A is an STS Standard compliant, keypad type, automatically valve controlled prepaid water meter. The integrated keypad is offered to enter recharge TOKEN and check information by short codes.
Our water meters have anti-tamper function.As we all know, water can be stolen.Not everyone has this idea, but it happens a lot, especially in poor areas.Our water meter is equipped with anti-tamper function. Once something abnormal is detected, it will send an alarm and send information to the main system. Then the main system will send the command to close the valve to the water meter, and the water meter can no longer be used.Only by explaining the situation to the staff, getting Tokens to clear the water, and entering them, can the valves be restarted.
Our water meter has 12 keys, 10 numeric keys, which are 0 to 9;The other two are the Enter key and the delete key.To recharge, enter the 20 Tokens and press the Accept button.In addition, our water meter supports information query, just input the corresponding break code on the keyboard.For example, enter 01 to query the total water consumption;Enter 06 to query the total purchase amount; Enter 07 to query the remaining balance;Enter 16 to query the minimum warning value.Moreover, compared with the IC Card type water meter, the keyboard type water meter does not have the risk of being unable to query information due to the damage of the Card, stains on the Card or loss of the Card.
Features:
1. Ingress IP68 waterproof protection
2. Up to 8 years battery life
3. Automatic valve controlling
4. STS standard
5. Real time o-clock
6. Utilities can set step price into meter on request
7. Anti-Tamper Magnetic field protection
8. RF-LoRa communication(optional)
9. ay by mobile payment M-PESA, Alipay, MTN, Airtel, etc
Metrological Parameters of different size
| Size | DN15mm 1/2” | DN20mm 3/4” | DN25mm 1” | |
| Overload flow rate Q4 | 3.13 | 5 | 7.87 | |
| Permanent l 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 | |
| Maximum working pressure | 16Bar | 16Bar | 16Bar | |
| Maximum pressure loss | 0.6Bar | 0.6Bar | 0.6Bar | |
| Maximum reading | 99999 | 99999 | 99999 | |
| Max temperature | 50℃ | 50℃ | 50℃ | |
| Error | Q1≦Q≦Q2 | 5% | 5% | 5% |
| Q2≦Q≦Q4 | 2% | 2% | 2% | |
Basic Functionality
| 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 |
| Liquid Crystal Display |  |
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 |
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