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Our Wireless Remote Valve Control Cold Water Meter NB-IoT is a cutting-edge intelligent IoT water meter, engineered for high-precision total flow measurement of tap water in pipelines. Built on industry-leading NB-IoT cellular communication technology, this meter integrates electronic automatic sampling counting, wireless remote data transmission, and remote valve control functions, delivering a fully digitalized water management solution for business users. Compatible with mainstream remote meter reading management systems, this NB-IoT smart cold water meter seamlessly connects to multi-meter integrated intelligent management systems for water, electricity, gas, and heat, enabling end-to-end IoT-enabled intelligent energy management. Designed for long-term stable operation in complex environments, it supports core functions including wireless meter reading, remote device management, tiered water pricing, and prepayment, helping operators reduce on-site maintenance costs, improve billing accuracy, and enhance overall water resource management efficiency.
Adopting mainstream NB-IoT wireless communication technology, this meter benefits from global cellular network coverage, ensuring stable and reliable data transmission even in basements, underground pipe galleries, and other weak signal environments. It supports massive concurrent device connections, making it ideal for large-scale deployment across cities and regions.
Equipped with an intelligent anti-theft water function, the meter automatically triggers valve shutdown when strong magnetic interference is detected on the metering signal, and resumes operation only after the interference is eliminated, effectively reducing non-revenue water loss for water utilities. It also features an under-voltage prompt function, which automatically sends an alarm to the management system when the built-in 3.6V lithium battery voltage is insufficient, enabling proactive maintenance and avoiding device downtime.
The built-in anti-rust dead valve program automatically performs valve opening and closing operations twice a month, preventing valve jamming caused by long-term inactivity and greatly improving long-term operation stability. With an IP68 protection rating, the meter is fully dustproof and submersible, adapting to harsh installation environments. The user-friendly battery compartment design supports quick on-site battery replacement, further reducing maintenance workload and costs.
MAIN TECHNICAL DATA
Meter size (mm) | Class | Q4 | Q3 | Q2 | Q1 |
DN(mm) | m3/h | L/h | |||
DN15 | 2 level | 3.125 | 2.5 | 50 | 31.25 |
DN20 | 2 level | 5 | 4 | 80 | 50 |
DN25 | 2 level | 5 | 4 | 80 | 50 |
Working condition:
Cold Water temperature ≤30°C
Working pressure≤1.0Mpa
Power supply: 3.6v lithium battery
INDICATING ERROR
At low zone is ±5% from minimum flow rate (qmin) to transitional flow rate (qt) exclusive boundary
At high zone is ±2% from transitional flow rate (qt) to overload flow rate(qs)
DIMENSIONS AND WEIGHT
Meter size | L | B | H | Connecting Thread | Weight |
mm | D | Kg | |||
15 | 165 | 91 | 145 | G3/4 | 1.3 |
20 | 195 | 91 | 145 | G1 | 1.4 |
25 | 225 | 91 | 142 | G11/4 | 1.75 |
Our Wireless Remote Valve Control Cold Water Meter NB-IoT is tailored for business users requiring large-scale, cross-regional intelligent water metering and management, with core application scenarios including:
Smart city and smart water utility projects implemented by municipal water supply groups and public utility management departments
High-end residential communities and smart real estate projects developed by top property developers
Commercial complexes, office parks, and industrial parks with centralized water management needs
Public service facilities including schools, hospitals, and government buildings requiring unified energy monitoring
Cross-regional property management groups needing centralized remote water management
This NB-IoT enabled remote water meter relies on mainstream cellular NB-IoT networks, which are widely covered in most urban and suburban areas globally. For deployment in special areas, we can provide customized optimization solutions based on local network conditions.
Under normal working conditions, the standard 3.6V lithium battery supports 6-8 years of stable operation. The low-power design of the NB-IoT module greatly extends battery life, and the battery can be replaced quickly on site without disassembling the entire meter.
Yes, this meter supports seamless access to mainstream multi-meter integrated intelligent management systems for water, electricity, gas and heat. We also provide customized protocol adaptation services to meet the integration needs of different business users' existing systems.
No, this meter is specially designed for cold water measurement with a maximum working water temperature of 30°C. It is not applicable to hot water pipelines, and we can provide dedicated hot water meter solutions for such needs.
