STS Integrated Keypad Single Jet Customizable OEM M-Bus Prepaid Brass Meter IP68 DN15 Model with Plastic Material
Product Overview
Low price, high quality: The STW36-A Prepaid water meter offers exceptional value for Africa, combining smart technology with affordability due to reduced production and logistics costs.
Precision Measurement
Accuracy: Achieves R160 precision (optional) with built-in Anti-Tamper function that automatically closes valves when detecting magnetic fields or cover openings. Complies with STS standard and features IP68 waterproof protection.
Long-Lasting Battery System
Advanced power management features:
- Lithium battery with triple moisture protection
- Optimized energy consumption
- 6+ years operational lifespan
Integrated Vending System
Free Stronpay water vending software integrates with mobile payment platforms (M-PESA, Alipay, MTN, Airtel) enabling remote top-ups. Two recharge methods available:
- Traditional token purchase at utility offices
- Mobile money payments via smartphone
Vending System Features
- Token-based recharge, data management, and restoration
- Max overdraft setting
- Role and user management
Stron Water Meter AMI Solution
LoRa-RF technology enables:
- Collective reading
- Remote monitoring
- Autonomous recharge
Key Features
- IP68 waterproof rating
- 8-year battery life
- Automatic valve control
- STS Standard compliance
- Real-time clock
- Configurable step pricing
- Anti-tamper magnetic protection
- Optional LoRa-RF/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% |
Functional Specifications
| Function |
Details |
| Prepayment |
STS Standard, recharge by 20-digit TOKEN |
| Low credit alarm |
Configurable alarm threshold |
| Prepaid/post-paid switch |
Flexible billing modes |
| Non-return valve |
Prevents back-flow |
| Anti-tamper |
Automatic valve closure on tamper detection |
| Step tariff |
Configurable pricing tiers |
| Overdraft collection |
Daily or monthly collection options |
| Communication |
Optional LoRa-RF or Bluetooth 4.0 |
| Information inquiry |
Check credit, purchases 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 |
Certifications
Frequently Asked Questions
Q: Can I have a sample to test it?
A: Samples are available with nominal fees, which may be deducted from large quantity orders.
Q: When can I receive the goods?
A: Standard delivery takes 5-10 days, with custom orders requiring 15-30 days.
Q: How many users of your product in the world?
A: Conservative estimates indicate 500,000+ users across Africa and South Asia, including ODM/OEM partnerships.
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