STW36-A Smart Prepaid Water Meter with Automatic Valve Control - DN15 to DN25 Sizes, 16 Bar Pressure, IP68 Waterproof
Price:
Negotiable
MOQ:
50pcs
Delivery Time:
15 work days
Brand:
Stron
Product Description
Product Overview
The STW36-A Smart Prepaid Water Meter is an STS Standard compliant, keypad-type device with automatic valve control functionality. Featuring an integrated keypad for entering recharge tokens and accessing information via short codes, this meter provides advanced water management solutions for utility providers.
Key Features
- IP68 waterproof protection for reliable outdoor operation
- Up to 8 years battery life for minimal maintenance
- Automatic valve control for remote operation
- STS standard compliance for secure token-based payment
- Real-time clock for accurate time-based operations
- Step pricing capability for flexible tariff structures
- Anti-tamper magnetic field protection against unauthorized access
- Optional RF-LoRa communication for AMI system integration
- Mobile payment compatibility with M-PESA, Alipay, MTN, Airtel, and others
Metrological Parameters
| Parameter | DN15mm 1/2" | DN20mm 3/4" | DN25mm 1" |
|---|---|---|---|
| Overload flow rate Q4 | 3.13 m³/h | 5 m³/h | 7.87 m³/h |
| Permanent flow rate Q3 | 2.5 m³/h | 4 m³/h | 6.3 m³/h |
| Transitional flow rate Q2 | 0.04 m³/h | 0.064 m³/h | 0.1 m³/h |
| Minimum flow rate Q1 | 0.025 m³/h | 0.04 m³/h | 0.063 m³/h |
| Ratio "R" Q3/Q1 | 100 | 100 | 100 |
| Maximum working pressure | 16 Bar | 16 Bar | 16 Bar |
| Maximum pressure loss | 0.6 Bar | 0.6 Bar | 0.6 Bar |
| Maximum reading | 99999 | 99999 | 99999 |
| Maximum temperature | 50℃ | 50℃ | 50℃ |
| Error Q1≦Q≦Q2 | 5% | 5% | 5% |
| Error Q2≦Q≦Q4 | 2% | 2% | 2% |
Functional Specifications
| Function | Details |
|---|---|
| Prepayment | STS Standard, recharge by inputting 20-digit 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 | Non-return valve inside for preventing back-flow |
| Anti-tamper | Meter automatically closes valve after detection of magnetic field and open cover events |
| 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 can check data like Credit Remain, Total Purchased and Total Credit by inputting short code |
| Liquid Crystal Display |  |
Physical Dimensions
| Dimension | DN15 1/2" | DN20 3/4" | DN25 1" |
|---|---|---|---|
| Length (L) | 165/190 mm | 190 mm | 225/260 mm |
| Width (W) | 99 mm | 99 mm | 103 mm |
| Height (H) | 104 mm | 106 mm | 114 mm |
| Connecting Thread | G3/4B | G1B | G1-1/4B |
Product Image
Packing & Storage
Each smart water meter is packaged individually to prevent damage during transportation and handling. Units must be stored horizontally in dry environments with ambient temperatures between 5-40℃ and free from corrosive media. Outer packaging is clearly marked with "upward" and "handle lightly" indicators.
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Get in Touch
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Company
Hunan Stron Smart Co., Ltd
Location
Floor 5, Building A, No.668 Xianyuehuan Road, China Power Valley Tech Park R&D center, Tianyuan District, Zhuzhou City, Hunan Province, China.
Contact Person
Tony