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STS Prepaid Keypad water meter

Smart Water Meter
December 18, 2025
Category Connection: Prepaid Water Meter
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Tags:
#DN25 precision water meters #ISO14001 prepaid water meter #16Bar smart home water meter
Brief: Stay tuned as we highlight the most important features and real-use results. In this video, we demonstrate the STW36-B STS prepaid water meter, showcasing its split-type design, LoRa RF wireless connectivity for remote monitoring, and user-friendly recharge process via token systems. You'll see how its IP68-rated construction ensures reliable performance in harsh environments and how intelligent features like tamper detection and multi-tariff billing optimize water management for utilities and end-users.
Related Product Features:
  • IP68 protection rating ensures full waterproof, rainproof, and humidity-resistant operation for harsh environments.
  • LoRa RF wireless communication enables real-time data transmission over 300-400m with CIU and 900m with DCU for remote management.
  • Class 2.0 measurement accuracy provides precise water consumption tracking with permissible error as low as ±2%.
  • Multi-tariff capability supports configurable tiered pricing with up to 3 tariff steps for flexible billing strategies.
  • Tamper detection feature automatically closes the valve upon magnetic interference to prevent unauthorized use.
  • Split-type structure with a separate meter body and CIU allows flexible installation in space-constrained areas.
  • Multiple recharge options include on-site points, third-party platforms like M-PESA, and mobile vending, all using 20-digit tokens.
  • Detachable 3.6V lithium battery offers over 4 years of service life with easy replacement for uninterrupted operation.
FAQs:
  • What communication technologies does the STW36-B water meter support for data transmission?
    The meter uses LoRa RF wireless technology, enabling real-time data transmission with a range of 300-400 meters when paired with the Customer Interface Unit (CIU) and up to 900 meters with Data Concentrator Units (DCU) for large-scale deployments.
  • How is the meter protected against harsh environmental conditions and tampering?
    It features an IP68 protection rating, making it fully waterproof, rainproof, and humidity-resistant. Additionally, it includes a tamper detection system that automatically closes the valve if magnetic interference is detected, ensuring secure operation.
  • What recharge options are available for end-users, and how is security maintained?
    Users can recharge via on-site points, third-party mobile platforms like M-PESA and Alipay, or door-to-door mobile vending units. All methods generate a unique 20-digit token for secure activation and confirmation of the transaction.
  • What is the expected battery life, and how easy is it to replace?
    The meter uses a detachable 3.6V lithium battery (ER18505, 4000mAh) that provides over 4 years of service life. The independent battery compartment allows for hassle-free replacement without disrupting the meter's operation.
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