STW36-A DN15 STS Standard Keypad Prepaid Brass Water Meter with 16 Bar Pressure and 8-Year Battery Life
Price:
Negotiable
MOQ:
50pcs
Delivery Time:
14 work days
Brand:
Stron
Product Description
STW36-A Keypad Prepaid Water Meter Overview
The STW36-A is an STS Standard compliant keypad prepaid water meter with automatic valve control. This DN15 (1/2") brass water meter features remote recharge capability via LORA-RF module and integration with Automatic Metering Infrastructure (AMI) systems.
Key Features & Benefits
- STS Standard compliance for universal compatibility
- Keypad interface for easy TOKEN input and information checking
- Remote recharge capability via LORA-RF module
- IP68 waterproof rating for reliable outdoor operation
- ISO9001 and ISO14001 certified for quality assurance
- 8-year battery life with easy top-mounted replacement
- Advanced anti-tamper features including magnetic field protection
- Integration with mobile payment platforms (M-PESA, Alipay, MTN, Airtel)
- Pay-as-you-go functionality for flexible billing
Technical Specifications
Performance Parameters
- Maximum working pressure: 16 Bar
- Maximum pressure loss: 0.6 Bar
- Maximum reading: 99999 units
- Working temperature: <50℃
- Measurement accuracy: Q1≤Q≤Q2 ±5%; Q2≤Q＜Q4 ±2%
Metrological Parameters
| Parameter | DN15mm (1/2") | DN20mm (3/4") | DN25mm (1") |
|---|---|---|---|
| Overload flow rate Q4 (m³/h) | 3.13 | 5 | 7.87 |
| Permanent flow rate Q3 (m³/h) | 2.5 | 4 | 6.3 |
| Transitional flow rate Q2 (m³/h) | 0.04 | 0.064 | 0.1 |
| Minimum flow rate Q1 (m³/h) | 0.025 | 0.04 | 0.063 |
| Ratio R (Q3/Q1) | 100 | 100 | 100 |
Functional Capabilities
- Prepayment: STS Standard, recharge via 20-digit TOKEN input
- Low Credit Alarm: Configurable alarm threshold via TOKEN
- Mode Switching: Prepaid and post-paid mode flexibility
- Non-return Valve: Built-in protection against back-flow
- Anti-tamper System: Automatic valve closure upon magnetic field detection or cover removal
- Step Tariff: Configurable multi-tier pricing via TOKEN
- Overdraft Collection: Daily or monthly collection of non-revenue water
- Communication Options: AMI system integration via LORA RF or Bluetooth 4.0
- Information Inquiry: Real-time data access for credit balance, total purchased, and total credit
Physical Dimensions
| Size | Length (L) mm | Width (W) mm | Height (H) mm | Connecting Thread |
|---|---|---|---|---|
| DN15 1/2" | 165/190 | 99 | 104 | G3/4B |
| DN20 3/4" | 190 | 99 | 106 | G1B |
| DN25 1" | 225/260 | 103 | 114 | G1-1/4B |
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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