STS Integrated Keypad Single Jet Customizable OEM M-Bus Prepaid Brass Meter IP68 DN15 Model
Product Overview
Low price, high quality - The STW36-A Prepaid water meter offers exceptional value for Africa, combining smart technology with affordable pricing thanks to reduced manufacturing and logistics costs.
Precision Measurement
Accuracy, the mission of meters - With measurement accuracy up to R160 (optional), the STW36-A features unique Anti-Tamper functionality that automatically closes the valve when detecting magnetic fields or cover opening events. Complies with STS standard and features IP68 waterproof protection.
Long-lasting Power
Battery, the life of meters - The STW36-A features:
- Lithium battery technology
- Optimized energy consumption
- Triple protection against moisture
Experimental data confirms the built-in lithium battery supports continuous operation for over 6 years.
Integrated Vending System
Free Vending Software for distributors - The STW36-A's integrated keypad allows TOKEN entry and information checks via short codes. Our Stronpay water vending software (free) integrates with mobile payment platforms including M-PESA, Alipay, MTN, and Airtel.
Two recharge methods available:
- Traditional token purchase at water utility
- Mobile money integration via smartphone
Vending System Features
The token-based system enables:
- Recharge functionality
- Data management (clear/restore)
- Max overdraft setting
- Role and user management
Stron Water Meter AMI Solution
Our LoRa-RF technology enables utilities to implement:
- Collective meter reading
- Remote monitoring
- Autonomous recharge systems
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 protection
- Optional LoRa-RF or Bluetooth 4.0 communication
- Mobile payment integration (M-PESA, Alipay, MTN, Airtel)
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 switched to prepaid mode or post-paid mode |
| Non-return valve |
Prevents back-flow |
| Anti-tamper |
Automatically closes valve after detecting magnetic field or cover opening |
| Step tariff |
Configurable via TOKEN input |
| Overdraft collection |
Non-revenue water (overdraft) can be collected daily or monthly |
| Communication |
Available with AMI system through LoRa-RF or Bluetooth 4.0 (optional) |
| Information inquiry |
Users can check credit, total purchased, and total credit via short codes |
Physical 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 |
Company Information
Certifications
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 quantity orders, sample costs may be deducted from the purchase price.
Q: When can I receive the goods?
A: Standard delivery takes 5-10 days. Custom orders require 15-30 days.
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 through both direct sales and OEM partnerships.
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