The STW36-B is an advanced split-type prepaid water meter engineered to redefine efficient water management for residential, commercial, and large-scale utility applications. Compliant with STS standards and certified by ISO9001/ISO14001, this meter combines high-precision metering, robust durability, and intelligent connectivity to deliver a user-friendly and reliable solution. Equipped with LoRa RF wireless technology, it enables seamless real-time data transmission, allowing water supply departments to monitor usage trends, optimize resource allocation, and enhance operational efficiency remotely.
Featuring an IP68 protection rating, the meter is fully waterproof, rainproof, and humidity-resistant, ensuring stable performance in harsh environments. Its construction boasts high-strength flame-retardant ABS thick-walled housing and a precision brass main body with corrosion-resistant threaded joints, guaranteeing leak-free operation and long-term durability. The dry-dial design paired with a transparent meter cover facilitates easy reading, while the independent battery compartment with detachable 3.6V lithium battery (ER18505, 4000mAh) offers over 4 years of service life and hassle-free replacement.
The meter integrates a suite of intelligent functions, including tamper detection (auto-valve closure upon magnetic interference), decade-long consumption data logging, configurable credit alarms, emergency overdraft support, and multi-tariff capability (up to 3 tiered rates). Paired with a compact Customer Interface Unit (CIU) supporting 300-400m wireless communication, it enables convenient recharge via on-site points, third-party platforms (e.g., M-PESA, Alipay), or door-to-door mobile vending units—all generating a 20-digit token for secure activation. Compatible with STRON’s AMI solution and DCU data concentrators (up to 900m communication radius), it seamlessly scales from household metering to city-wide water supply projects, backed by Microsoft SQL Server data security and API integration for personalized expansions.
- IP68 ingress protection: Fully waterproof, rainproof, and humidity-resistant for reliable operation in extreme conditions.
- Flame-retardant ABS housing + precision brass body: Corrosion-resistant, leak-free, and wear-resistant, meeting strict safety and durability standards.
- ISO9001/ISO14001 certified: Complies with international quality and environmental management systems, ensuring consistent performance.
- LoRa RF wireless communication: Enables real-time data transmission (300-400m with CIU, 900m with DCU) for remote usage monitoring and resource optimization.
- STS standard compliance: Ensures interoperability with global prepaid systems and secure token-based operations.
- STRON AMI solution integration: Seamlessly connects with data concentrators (DCU) for large-scale utility deployments, supporting centralized data management.
- Class 2.0 measurement accuracy: Delivers precise water consumption tracking (permissible error: ±5% for Q1-Q2, ±2% for Q2-Q4) for fair billing.
- Multi-tariff capability: Configurable tiered pricing (up to 3 tariff steps) via token, adapting to diverse pricing strategies.
- Dry-dial design + LCD digital display: Clear reading experience with no water contact on internal components, reducing maintenance needs.
- Multiple recharge options: On-site recharge points, third-party mobile platforms (M-PESA, Alipay), or door-to-door mobile vending units—all with 20-digit token confirmation.
- Comprehensive safety protections: Tamper detection (auto-valve closure), low battery alert (auto-lock with data backup), and recharge limitation (prevents overstocking).
- Emergency overdraft: Allows essential water use when balance is depleted, with flexible repayment terms.
- Split-type structure: Separated meter body and CIU for flexible installation in space-constrained or hard-to-reach areas.
- Detachable battery compartment: 4-year long-life lithium battery (ER18505) with easy replacement, ensuring uninterrupted service.
- Threaded connections (G3/4B, G1B, G1-1/4B): Compatible with DN15/20/25 pipelines, facilitating quick and secure installation.
- Robust data logging: Stores decade-long monthly/hourly consumption data, tamper alarms, and event records for audit and analysis.
- Microsoft SQL Server backend: Safeguards data integrity with account permission management and Excel import/export capabilities.
- API support: Enables customization and integration with third-party systems to meet specific business requirements.
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