The STW36-C is an STS Standard compliant, keypad type, ultrasonic measurement, high accuracy, automatically valve controlled prepaid water meter. The integrated keypad is offered to enter recharge TOKEN and check information by short codes. Stronpay water vending software could be integrated to local Mobile Money Payment Platform like M-PESA, Alipay, MTN, Airtel, etc. So users can top up PAYG water by mobile money without leaving the house.
Metrological Parameters of different siz
|
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 |
0.016 |
0.0256 |
0.04 |
|
|
Minimum flow rate Q1 |
0.01 |
0.016 |
0.0252 |
|
|
Ratio ”R” Q3/Q1 |
250 |
250 |
250 |
|
|
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 Structure
Pay as you go Water Vending Process
