OEM Customizable 2-Year Plastic Integrated Keypad Smart IP68 Prepaid STS Digital Water Meter
Product Overview
Low price, high quality - The STW36-A Prepaid water meter offers exceptional value for African markets, combining smart technology with affordable pricing thanks to reduced manufacturing and logistics costs.
Precision Measurement
With accuracy up to R160 (optional), the STW36-A features:
- Advanced Anti-Tamper function that automatically closes the valve when detecting magnetic fields or cover opening
- Full compliance with STS standard
- IP68 waterproof protection rating
Long-Lasting Battery System
Our innovative power management system ensures reliable operation:
- High-capacity lithium battery
- Optimized energy consumption
- Triple protection against moisture
Field tests confirm the battery supports continuous operation for over 6 years.
Smart Vending System
Our free Stronpay water vending software enables:
- Integration with mobile payment platforms (M-PESA, Alipay, MTN, Airtel)
- Two recharge methods: in-person token input or mobile app top-up
- Integrated keypad for token entry and information access
Vending System Features
The token-based system provides comprehensive functionality:
- Set maximum overdraft limits
- Advanced role and user management
- Data backup and restoration
- Meter recharge and maintenance
Stron Water Meter AMI Solution
Key features of our LoRa-RF enabled system:
- IP68 waterproof rating
- Up to 8 years battery life
- Automatic valve control
- STS Standard compliance
- Real-time clock functionality
- Configurable step pricing
- Anti-tamper magnetic field protection
- Optional LoRa-RF or Bluetooth 4.0 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 switched to prepaid mode or post-paid mode |
| Non-return valve |
Prevents back-flow |
| Anti-tamper |
Automatically closes valve after detection of magnetic field or open cover event |
| Step tariff |
Configurable through 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 on request |
| Information inquiry |
Users can check credit balance, total purchased and total credit via short codes |
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 |
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 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: With our focus on Africa and South Asia markets, plus ODM/OEM partnerships, we estimate over 500,000 users across these regions.
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