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For municipal water utilities, property management companies and commercial facility operators, traditional mechanical water meters bring persistent pain points: missed small-flow measurement, accuracy degradation from long-term wear, high manual meter-reading costs, and bad debt risks from unpaid water fees. Our Prepaid Valve-controlled Ultrasonic Water Meter for Community is engineered to solve these challenges with industry-leading ultrasonic metering technology and fully integrated intelligent control functions. As a core hardware for smart water management systems, this meter delivers precision water consumption tracking, remote valve operation, and end-to-end prepaid management, eliminating billing disputes, securing revenue for water supply entities, and cutting operational costs for partners while delivering a frictionless water use experience for end users.
This smart prepaid ultrasonic water meter features a maximum range ratio up to R400, capable of capturing even micro-droplet flow that traditional mechanical meters fail to detect. With no moving parts, it eliminates mechanical wear and long-term accuracy drift, maintains Class 2 metering accuracy throughout its service life, and supports bidirectional flow measurement for full-cycle usage monitoring. It achieves U5/D3 flow profile sensitivity, adapting to complex pipeline installation conditions without performance loss.
The integrated valve control module is fully linked to water supply billing systems, enabling automatic valve opening after user payment via mobile APP, and remote on/off valve operation for administrators. It also triggers abnormal usage alerts for leakage, tampering and low battery, effectively preventing non-payment risks, securing stable revenue for water utilities, and avoiding user complaints from unexpected water cut-offs.
Built with an ultra-low power consumption circuit and a high-capacity DC 3.6V lithium battery, the meter delivers a service life of over 7 years without battery replacement. It boasts an IP68 protection rating, full-angle installation flexibility, low pressure loss, and stable operation in -25℃~70℃ temperature environments, making it suitable for outdoor, underground, and other harsh installation scenarios.
The meter supports mainstream communication options including NB-IoT, 4G-Cat.1, M-Bus, RS485 and Modbus, enabling real-time remote meter reading and data upload to cloud management platforms. It empowers users with centralized water consumption monitoring, leak detection, and data-driven operation optimization, serving as a reliable terminal for smart city and smart water projects.
Performance | Core Parameters |
Accuracy Class | Class 2 |
Nominal Diameter | DN15~DN40 |
Range Ratio | R160/R250/R400 (Customizable) |
Max. Working Pressure | 1.6MPa |
Working Temperature | -25℃~70℃ |
Flow Profile Sensitivity | U5/D3 |
Protection Rating | IP68 |
Power Supply | DC 3.6V Lithium Battery |
Communication Options | NB-IoT / 4G-Cat.1 / M-Bus / RS485 / IR (Optional) |
Meter Body Material | Copper / Plastic (Optional) |
Flow Data
Nominal diameter（DN）mm | Range Ratio Q3 /Q1 | Q4 | Q3 | Q2 | Q1 |
m3/h | |||||
15 | 250 | 3.125 | 2.5 | 0.016 | 0.010 |
400 | 0.010 | 0.006 | |||
20 | 250 | 5 | 4 | 0.025 | 0.016 |
400 | 0.016 | 0.010 | |||
25 | 250 | 7.875 | 6.3 | 0.040 | 0.025 |
400 | 0.025 | 0.016 | |||
32 | 250 | 12.5 | 10 | 0.064 | 0.040 |
400 | 0.040 | 0.025 | |||
40 | 250 | 20 | 16 | 0.100 | 0.064 |
400 | 0.064 | 0.040 | |||
Produt Size
Nominal diameter （DN）mm | L mm | W mm | H mm | Screw thrad D |
15 | 165 | 101 | 106 | G3/4B |
20 | 195 | 101 | 106 | G1B |
25 | 225 | 101 | 110 | G1 1/4B |
32 | 180 | 101 | 135 | G1 1/2B |
40 | 200 | 101 | 137 | G2B |
Installation Diagram
Residential community property management companies for batch metering, prepaid management and labor cost reduction
Municipal water supply utilities and water management departments for revenue security, water loss control and smart water system construction
Commercial building and industrial park operators for tenant water metering, remote control and water efficiency improvement
Smart city solution providers and system integrators for standardized hardware supporting smart water platform integration
Ready to upgrade your water metering system with our high-performance prepaid valve-controlled ultrasonic water meter? We offer flexible customization, bulk order discounts, and full technical support for global partners. Contact us today to get a free quote and sample testing service, and start optimizing your water management efficiency and revenue security.
For municipal water utilities, property management companies and commercial facility operators, traditional mechanical water meters bring persistent pain points: missed small-flow measurement, accuracy degradation from long-term wear, high manual meter-reading costs, and bad debt risks from unpaid water fees. Our Prepaid Valve-controlled Ultrasonic Water Meter for Community is engineered to solve these challenges with industry-leading ultrasonic metering technology and fully integrated intelligent control functions. As a core hardware for smart water management systems, this meter delivers precision water consumption tracking, remote valve operation, and end-to-end prepaid management, eliminating billing disputes, securing revenue for water supply entities, and cutting operational costs for partners while delivering a frictionless water use experience for end users.
This smart prepaid ultrasonic water meter features a maximum range ratio up to R400, capable of capturing even micro-droplet flow that traditional mechanical meters fail to detect. With no moving parts, it eliminates mechanical wear and long-term accuracy drift, maintains Class 2 metering accuracy throughout its service life, and supports bidirectional flow measurement for full-cycle usage monitoring. It achieves U5/D3 flow profile sensitivity, adapting to complex pipeline installation conditions without performance loss.
The integrated valve control module is fully linked to water supply billing systems, enabling automatic valve opening after user payment via mobile APP, and remote on/off valve operation for administrators. It also triggers abnormal usage alerts for leakage, tampering and low battery, effectively preventing non-payment risks, securing stable revenue for water utilities, and avoiding user complaints from unexpected water cut-offs.
Built with an ultra-low power consumption circuit and a high-capacity DC 3.6V lithium battery, the meter delivers a service life of over 7 years without battery replacement. It boasts an IP68 protection rating, full-angle installation flexibility, low pressure loss, and stable operation in -25℃~70℃ temperature environments, making it suitable for outdoor, underground, and other harsh installation scenarios.
The meter supports mainstream communication options including NB-IoT, 4G-Cat.1, M-Bus, RS485 and Modbus, enabling real-time remote meter reading and data upload to cloud management platforms. It empowers users with centralized water consumption monitoring, leak detection, and data-driven operation optimization, serving as a reliable terminal for smart city and smart water projects.
Performance | Core Parameters |
Accuracy Class | Class 2 |
Nominal Diameter | DN15~DN40 |
Range Ratio | R160/R250/R400 (Customizable) |
Max. Working Pressure | 1.6MPa |
Working Temperature | -25℃~70℃ |
Flow Profile Sensitivity | U5/D3 |
Protection Rating | IP68 |
Power Supply | DC 3.6V Lithium Battery |
Communication Options | NB-IoT / 4G-Cat.1 / M-Bus / RS485 / IR (Optional) |
Meter Body Material | Copper / Plastic (Optional) |
Flow Data
Nominal diameter（DN）mm | Range Ratio Q3 /Q1 | Q4 | Q3 | Q2 | Q1 |
m3/h | |||||
15 | 250 | 3.125 | 2.5 | 0.016 | 0.010 |
400 | 0.010 | 0.006 | |||
20 | 250 | 5 | 4 | 0.025 | 0.016 |
400 | 0.016 | 0.010 | |||
25 | 250 | 7.875 | 6.3 | 0.040 | 0.025 |
400 | 0.025 | 0.016 | |||
32 | 250 | 12.5 | 10 | 0.064 | 0.040 |
400 | 0.040 | 0.025 | |||
40 | 250 | 20 | 16 | 0.100 | 0.064 |
400 | 0.064 | 0.040 | |||
Produt Size
Nominal diameter （DN）mm | L mm | W mm | H mm | Screw thrad D |
15 | 165 | 101 | 106 | G3/4B |
20 | 195 | 101 | 106 | G1B |
25 | 225 | 101 | 110 | G1 1/4B |
32 | 180 | 101 | 135 | G1 1/2B |
40 | 200 | 101 | 137 | G2B |
Installation Diagram
Residential community property management companies for batch metering, prepaid management and labor cost reduction
Municipal water supply utilities and water management departments for revenue security, water loss control and smart water system construction
Commercial building and industrial park operators for tenant water metering, remote control and water efficiency improvement
Smart city solution providers and system integrators for standardized hardware supporting smart water platform integration
Ready to upgrade your water metering system with our high-performance prepaid valve-controlled ultrasonic water meter? We offer flexible customization, bulk order discounts, and full technical support for global partners. Contact us today to get a free quote and sample testing service, and start optimizing your water management efficiency and revenue security.
