STS Standard Keypad type Prepaid smart Water Meter
The STW36-A water meter is a prepaid, keyboard type water meter that meets the international STS standard.
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.
In order to assure customers of the quality of our products and to use them as soon as possible after purchase, we applied for and successfully applied for STS certification.STS is the abbreviation of the phrase Ship To Stock, that is, direct warehousing. After having this certification, products do not have To be inspected before warehousing.That is, after the user buys the product and the product arrives, it can be immediately put into the warehouse for use, without having to send it to the local inspection again.This not only enhances the customer's trust in our products, but also saves the customer's time cost.Because if you receive the goods, but also need to send inspection, the middle cost of time is very large.Therefore, customers can rest assured that the order to buy our products.
Features:
●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
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 |
Product Tags:
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STS Standard Keypad type Prepaid smart Water Meter Images
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