STS Integrated Keypad Smart Water Meter IP68 Prepaid Customizable OEM Brass Meter
High-quality brass prepaid water meter with integrated keypad, IP68 waterproof rating, and customizable OEM options.
Affordable Quality Solution
The STW36-A prepaid water meter offers exceptional value for African markets, combining smart technology with competitive pricing thanks to reduced manufacturing and logistics costs.
Precision Measurement
With accuracy up to R160 (optional), this meter delivers reliable water measurement. Special features include:
- Anti-Tamper function automatically closes valve when magnetic fields or cover opening is detected
- Compliant with STS standard
- IP68 waterproof protection
Long-Lasting Power
Engineered for reliable operation with:
- High-capacity lithium battery
- Optimized energy consumption
- Triple protection against moisture
Field tests confirm battery life exceeding 6 years.
Integrated Vending System
Includes free Stronpay water vending software compatible with mobile payment platforms (M-PESA, Alipay, MTN, Airtel). Two convenient recharge options:
- Traditional token purchase at water utility
- Mobile money payment via smartphone
Vending System Features
- Set maximum overdraft limits
- Comprehensive role management
- Advanced user management
Stron Water Meter AMI Solution
LoRa-RF technology enables remote meter reading, monitoring, and autonomous recharge through our free AMI system.
Key Features
- IP68 waterproof rating
- Up to 8 years battery life
- Automatic valve control
- STS Standard compliance
- Real-time clock
- Configurable step pricing
- Anti-tamper magnetic field protection
- Optional LoRa-RF communication
- Mobile payment integration
Technical Specifications
Metrological Parameters
| Size |
DN15mm 1/2" |
DN20mm 3/4" |
DN25mm 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 |
| Maximum working pressure |
16bar |
16bar |
16bar |
| Maximum pressure loss |
0.6bar |
0.6bar |
0.6bar |
| Maximum reading |
99999 |
99999 |
99999 |
| Max temperature |
50°C |
50°C |
50°C |
| Max permissible error (MPE) |
Q1≤Q≤Q2,MPE=±5%
Q2≤Q≤Q4,MPE=±2% |
Q1≤Q≤Q2,MPE=±5%
Q2≤Q≤Q4,MPE=±2% |
Q1≤Q≤Q2,MPE=±5%
Q2≤Q≤Q4,MPE=±2% |
Basic Functionality
| Function |
Details |
| Prepayment |
STS Standard, recharge by input 20 digits 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 |
Available with AMI system through LORA-RF or Bluetooth 4.0 on request |
| Information inquiry |
Consumer could check data like credit remain, total purchased and total credit by input the short code |
Meter Dimensions
| Size |
DN15 1/2" |
DN20 3/4" |
DN25 1" |
| Length |
165/190 |
190 |
225/260 |
| Width |
99 |
99 |
103 |
| Height |
104 |
106 |
114 |
| Connecting thread |
G3/4B |
G1B |
G1-1/4B |
Frequently Asked Questions
Q: Can I have a sample to test it?
A: Samples are available with a nominal fee to cover costs. For large orders, sample costs may be deducted from your purchase price.
Q: When can I receive the goods?
A: Standard delivery takes 5-10 days. Custom orders require 15-30 days for production and shipping.
Q: How many users of your product in the world?
A: Our primary markets are Africa and South Asia with an estimated 500,000 users across these regions, including ODM/OEM partnerships.
