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Quality Single jet series residential water meter；cold water meter for house, multi-jet water meter, magnetic drive water meter factory

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Quality Lorawan Power Meter Lorawan Electricity Meter Next Gen Intelligence For Smart Grids；Easily calculate the total and individual electricity consumption of residential areas, buildings, and enterprises factory

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Quality Single-phase split-type (track) electricity meter low-voltage metering box；electricity metering solution for rental apartments, remote reading single-phase meter, DIN rail meter for panel factory

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Quality Ultrasonic water meter；Detects Micro-Leaks Missed by Mechanical Meters – 0.01 m/s ultra-low start-up flow captures every drop, eliminating revenue loss from dripping and seepage factory

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Quality Infrared meter reading device；how to read smart meter manually, solution for manual meter reading, device to read electric meter remotely factory
China Zhuhai Huiyue Technology Co., Ltd
Zhuhai Huiyue Technology Co., Ltd
Zhuhai Huiyue Technology Co., Ltd. was established in 2019,which focuses on the smart water meters and smart energy meters specialize in the research, development, production,and service of smart water and energy metering products and solutions. The company has a professional technical research and development team dedicated to technological innovation and product upgrades of intelligent metering devices such as remote water meters and electric meters.Leveraging years of accumulated expertise in ...
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Zhuhai Huiyue Technology Co., Ltd

Smart Water Meter & Water Meter Accessories

Quality Photoelectric Direct Reading Intelligent Water Meter Remote Water Meter DC36V DC12V factory

Photoelectric Direct Reading Intelligent Water Meter Remote Water Meter DC36V DC12V

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Quality Analog Display DN20 Water Meter Intelligent Water Meter 1.6MPa For Modern Water Management factory

Analog Display DN20 Water Meter Intelligent Water Meter 1.6MPa For Modern Water Management

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Quality DN15 DN20 DN25 DN32 DN40 Ultrasonic Thermal Energy Meter / Heat Energy Meter factory

DN15 DN20 DN25 DN32 DN40 Ultrasonic Thermal Energy Meter / Heat Energy Meter

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Quality Valve Controlled NB-IoT Water Meter Autonomous For Utilities And Enterprises；wireless water meter with long battery life, water meter with leak detection , remote reading water meter for well factory

Valve Controlled NB-IoT Water Meter Autonomous For Utilities And Enterprises；wireless water meter with long battery life, water meter with leak detection , remote reading water meter for well

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Quality IP68 DN25 Water Meter Mechanical Smart Water Flow Meter,Threaded Connection;how to read water meter without entering house, solution for tenant water billing, detect water leak in apartment factory

IP68 DN25 Water Meter Mechanical Smart Water Flow Meter,Threaded Connection;how to read water meter without entering house, solution for tenant water billing, detect water leak in apartment

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Quality Photoelectric Direct Reading Remote Smart Water Meter;Constructed with durable 304 stainless steel for long-lasting performance in industrial and commercial applications. factory

Photoelectric Direct Reading Remote Smart Water Meter;Constructed with durable 304 stainless steel for long-lasting performance in industrial and commercial applications.

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Quality Ultrasonic water meter；Detects Micro-Leaks Missed by Mechanical Meters – 0.01 m/s ultra-low start-up flow captures every drop, eliminating revenue loss from dripping and seepage factory

Ultrasonic water meter；Detects Micro-Leaks Missed by Mechanical Meters – 0.01 m/s ultra-low start-up flow captures every drop, eliminating revenue loss from dripping and seepage

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Quality IoT Ultra-Efficient Smart Irrigation Water Meter/IoT-Enabled Remote Valve Control – Open/close supply instantly via platform or mobile app factory

IoT Ultra-Efficient Smart Irrigation Water Meter/IoT-Enabled Remote Valve Control – Open/close supply instantly via platform or mobile app

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Quality STS Prepaid Smart Water Meter with Remote Opening/Closing, 5 to 10 Years Battery Life, and Wireless Communication factory

STS Prepaid Smart Water Meter with Remote Opening/Closing, 5 to 10 Years Battery Life, and Wireless Communication

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Precision Large Water Meter Industrial Municipal Water Meter 2 Inches To 20 Inches

AC220V 50Hz NB-IoT Electricity Meter with DL/T645-2007 Protocol Smart Energy Meter for Reliable Power Measurement

Wired Networking Solutions AMR Intelligent Meter Reading System

RS485 M-Bus Wired Meter Data Collector High Precision Easy Installation

Remote Monitoring Commercial Smart Water Meter IC Card Prepaid Water Meter Dustproof

0.01-10m/S Lorawan Ultrasonic Water Meter For The Modern Age DN80 DN100 DN125

Non Magnetic Intelligent Water Meter Tamper Proof Water Meter IP68

Lorawan Power Meter Lorawan Electricity Meter Next Gen Intelligence For Smart Grids

NB-IoT Energy Meter Cellular Powered Intelligent Energy Meter For Utility 1200-9600bps

Remote Monitoring Pay Card Electric Meter Card Operated Electric Meter DTSY238

NB-IoT Meter Data Collector For Battery Powered Meter Reading Cloud Based

Remote Monitoring LoRa Meter Data Collection Unit For Smart Utility Metering

IP68 Centralized Data Concentration Unit For AMI/AMR System Industrial Grade

IC Card Smart Prepaid Water Meter Residential Smart Water Meter Class 2 1MPa

Range 0-9999 Gallons Smart Ultrasonic Water Meter DN15-DN300 Tamper Resistant

15 -300DN Smart IC Card Prepaid Water Meter Secure Control User Centric Design

Non Magnetic Remote Water Flow Meter Iot Based Water Meter Easy Installation

DN50-DN250 Big Water Meter Universal Application Flange Type Water Meter

Brass Mechanical Water Meter 4m3/H Smart Meters For Water Consumption

0.05-25m3/H Commercial Smart Water Meter Analog Water Meter CJ/T224-2012 Compliant

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Latest company news about NB IoT IoT Water Meter: Principle Analysis and Function Demonstration
NB IoT IoT Water Meter: Principle Analysis and Function Demonstration
2025-07-08 22:20:11
NB IoT IoT water meters are an important symbol of the intelligent development of the water industry. Their unique working principle enables them to efficiently collect and transmit water usage data, playing an important role in water management and other aspects.The principle of NB IoT IoT water meters is based on the collaborative work of multiple key components. Firstly, there is the flow sensing part, where the flow sensor inside the water meter is the core component. Different types of flow sensors, such as turbine flow meters and ultrasonic flow meters, although working in different ways, can accurately sense water flow conditions and convert them into signals that can be processed later. Turbine flow meters rely on water flow to drive the turbine and generate rotational signals, while ultrasonic flow meters utilize the propagation characteristics of ultrasonic waves in water flow to generate relevant signals.These signals will be transmitted to the data processing unit. The data processing unit is the "smart center" of the water meter, which performs a series of processing on the signals transmitted by the sensors, including signal conversion, operation, etc., in order to accurately calculate the water consumption. At the same time, it also undertakes the task of data storage, storing water consumption data from different time periods to form detailed water usage records, facilitating subsequent queries and statistical analysis. In addition, the data processing unit can also monitor and diagnose the working status of the water meter, and promptly detect potential faults.Communication transmission is one of the key functions of NB IoT water meters, which is managed by the NB IoT communication module. NB IoT communication modules, with their low power consumption and wide coverage characteristics, can establish stable and reliable connections with NB IoT base stations. It encrypts and packages the water usage data processed by the data processing unit, sends it wirelessly to the base station, and then transmits it to the water management platform or cloud server through the network. This communication method ensures stable data transmission in different environments, even in areas with poor signal coverage.NB IoT IoT water meters play a significant role in practical applications. In terms of water operation management, it greatly optimizes the meter reading process. The remote meter reading function eliminates the need for tedious manual on-site meter reading for water workers, saving a lot of manpower, material resources, and time costs, while improving the accuracy and timeliness of meter reading, providing reliable data support for water fee settlement and statistics. The real-time monitoring and remote control functions help the water department to timely detect and deal with problems in the water supply system, such as water leaks, equipment failures, etc. It can quickly respond and take measures to ensure the stability and safety of water supply, reduce water resource leakage rates and operating costs.For users, NB IoT IoT water meters bring a more convenient water usage experience. Users can check their water usage at any time through mobile applications, understand their water usage and water expenses, and achieve self-management of water consumption. The prepaid and automatic payment functions allow users to avoid worrying about overdue payments, making payment more convenient and efficient. Moreover, when the water meter detects abnormal water usage, it will promptly notify the user, helping them discover problems with their water equipment in a timely manner and avoid causing greater losses.In the long run, NB IoT IoT water meters will help promote the sustainable use of water resources. By analyzing a large amount of water usage data, the water department can better understand the use of water resources, formulate reasonable strategies for water resource protection and utilization, guide users to save water, improve the efficiency of water resource utilization, and lay the foundation for achieving the sustainable development goals of water resources. At the same time, it is also an important component of smart water management construction, providing strong support for building an intelligent and efficient water management system.
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Latest company news about All-in-One Guide—RTU vs DTU: The Ultimate Choice Between 'Control' and 'Transmission' in Smart Water Systems
All-in-One Guide—RTU vs DTU: The Ultimate Choice Between 'Control' and 'Transmission' in Smart Water Systems
2026-06-21 09:45:44
In the grand blueprint of a smart water supply system, we often talk about the 'smart brain'—the cloud platform or central dispatch center that handles analysis, decision-making, and scheduling optimization. However, for this brain to be truly 'aware' and sense the pulse of the underground city pipelines, it relies on countless on-site 'nerve endings.' Among these, RTUs (Remote Terminal Units) and DTUs (Data Transmission Units) are two core players. Although both deal with 'remote' and 'data,' their positioning and roles are entirely different. Simply put, RTUs are the 'field commanders' stationed on the front lines, while DTUs are the 'messengers' handling communication. To understand the stable operation of a smart water supply system, we must clarify the difference between the two. 1. Core Positioning: Differences in Functional Nature RTU (Remote Terminal Unit): The versatile 'field commander' Core functions: Control and data acquisition. An RTU is essentially a fully functional miniature industrial computer. It is deployed at key points in the water supply system, such as water source wells, pump houses, booster pump stations, and network monitoring points. Its tasks are demanding: - Data acquisition: Directly connects to on-site physical devices such as flow meters, pressure sensors, water quality analyzers (pH, residual chlorine), pump status switches, valve positions, and more. It can read analog signals (e.g., 4–20 mA current) or digital signals (on/off status) from these devices. - Local logic control: This is one of the RTU's most essential capabilities. It has built-in programmable logic functions that can execute control commands automatically according to preset programs. For example, it can automatically start a backup pump when the clear water tank water level is too low, adjust the frequency of pumps based on network pressure, or trigger linked shutdown protection if a device fails. - Data pre-processing and caching: Provides preliminary processing of the collected raw data, such as filtering, unit conversion, and limit alarm detection, and can temporarily store data if the network is unavailable. DTU (Data Transmission Unit): The dedicated 'communication messenger' Core function: Transparent data transmission. The DTU has a very focused function—networking. It does not have the ability to directly collect or control field devices. Its typical working mode is 'transparent transmission.' - Interface conversion and protocol encapsulation: On-site devices (such as an independent flow meter or PLC) send data to the DTU via serial ports (RS232/RS485). - Wireless remote transmission: The DTU uses built-in 4G/5G/NB-IoT modules to transmit the received data unaltered and transparently to a remote monitoring center server. - No control logic: The DTU does not perform any logic judgment or execute control commands; it only provides a stable data channel. A simple analogy: At a booster pump station in a smart water supply system: The RTU is like the manager's 'brain' and 'hands.' It constantly watches the pressure gauge (collecting), senses if the pressure is low, immediately thinks about what to do (logic judgment), and then personally presses the button to start the pump (control). The DTU is like a 'satellite phone' on the station manager's desk: the manager (or the existing PLC controller at the site) writes down the data to report on paper, and then reads it to the distant headquarters through this phone (transmission). The phone itself doesn't think or carry out commands.   2. Technical Characteristics: Differences in hardware and software architecture Features: RTU (Remote Terminal Unit), DTU (Data Transfer Unit) Hardware Interfaces are extremely rich. They typically feature various DI (Digital Input), DO (Digital Output), AI (Analog Input), AO (Analog Output), RS232/485 serial ports, and are designed specifically for direct connection to sensors and actuators. Relatively single. It mainly provides one or more RS232/485 serial ports and network ports for connecting existing data output devices. Software Powerful features. Built-in real-time operating system supports IEC 61131-3 standard programming (such as ladder diagrams and functional block diagrams), or embedded high-level language development to implement complex control logic. Simple. The firmware mainly implements network connectivity, heartbeat keep-alive, protocol conversion (such as packaging serial data into TCP/IP packets), data encryption, and disconnection reconnection. Data processing Strong capability. It has edge computing capabilities, enabling local data cleaning, alarm generation, and protocol conversion (unifying protocols across different devices into a single re-upload). Weak or nonexistent. Usually, it is "transparent transmission," with no parsing or processing of the data content. Reliability The requirements are extremely high. Designed for harsh industrial environments, featuring wide temperature range, moisture resistance, and lightning protection, equipped with watchdog and self-recovery functions to ensure absolute stability of the control system. High. However, it focuses more on the stability of communication links, such as supporting multiple network standards and SIM card redundancy.   3. Typical Application Scenarios in Smart Water Supply Systems Let's apply these distinctions to specific smart water supply scenarios for a deeper understanding. Where RTU shines (situations that require "intelligence" and "control"): - Automated pump station control at water plants: This is the heart of the entire system. The RTU collects signals like inflow, outflow pressure, pump current, and water level, then executes complex interlinked control logic, such as rotating pump start/stop and automatic speed adjustment based on demand, achieving energy-efficient operations. - Mid-network booster pump stations: In hilly areas or regions with tall buildings, booster stations are needed. The RTU adjusts pump speed in real-time based on pressure feedback at the network's end, ensuring stable water pressure for distant users. This is a typical closed-loop control that must be handled by the RTU. - Key valve control points: Used for district metering (DMA) or emergency shut-off of critical electric valves. The RTU can not only remotely control valve operations but also automatically execute valve shut-off and leak isolation procedures based on abnormal flow and pressure. Where DTU is ideal (situations that only need "data uploading"): - Distributed monitoring points: At a pipe network node at the entrance of a residential community, only a pressure sensor and a flow meter are installed. Here, no complex control is needed, just remotely sending data from these two instruments back to the center. Connecting these two instruments through a DTU (via RS485 bus) is the most cost-effective and efficient solution. - Smart retrofit of old equipment: An old pump station already has its own PLC control system, but its data cannot be transmitted remotely. In this case, there’s no need to replace the entire PLC; just connect the PLC’s communication port to a DTU to upload data to the cloud, giving it IoT capability. - Single fire hydrant monitoring: Monitoring the tipping and water pressure status of a fire hydrant involves low data volume with no control needs. Using a low-power NB-IoT DTU is the ideal choice.   4. Integration and Development Trends With technological advances, the boundary between the two can sometimes become blurred. We've seen RTUs with stronger communication capabilities, as well as 'IO-DTUs' that have simple IO collection functions. But for professional smart water supply systems, the core decision point always comes down to: Does this field node need real-time, automatic local control? If local automatic control, logic interlocking, and safety protection are needed, choose an RTU. If only remote monitoring and data collection are needed, and there are already data sources on site (meters or PLCs), choose a DTU.     Summary When building the 'neural network' of a smart water supply system, RTUs and DTUs complement each other and each plays a key role. RTUs, as powerful edge nodes, are the cornerstone for achieving automation and intelligence in water supply systems; DTUs, as flexible and convenient communication gateways, are essential tools for wide-area IoT coverage and reducing monitoring costs. As a practitioner, using RTUs precisely where 'thinking and acting' are needed, and DTUs where 'sensing and reporting' are needed, is how you can build a smart water supply system that is both efficient and reliable, keeping every drop of water's journey fully under control.
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Latest company news about Installation Specifications and Engineering Practice of Remote Water Meters: A Comprehensive Guide from Design to Acceptance
Installation Specifications and Engineering Practice of Remote Water Meters: A Comprehensive Guide from Design to Acceptance
2025-11-01 15:37:52
I. Preliminary Planning for the Implementation of Remote Water Metering Projects (I) Demand Analysis and Scheme Selection classification design: Residential users: Prefer photoelectric direct reading (high precision) or LoRa pulse type (low cost), DN15-DN20, supporting tiered water price charging function (requiring built-in storage module in the meter). Industrial users: Use ultrasonic time difference method (DN5-DN300), configure RS-485/M-Bus interface, support instantaneous flow monitoring and abnormal flow alarm (such as triggering a warning when exceeding the flow by 150%). Renovation of old residential areas: Take into account the difficulty of wiring, choose wireless type (LoRa/NB-IoT, the meter body needs to adapt to the old pipeline interface (such as thread to flange converter), and reserve future upgrade space (such as supporting external temperature sensor).Communication network planning: Wired network (such as M-Bus bus): Suitable for new residential areas, the bus uses a star topology, each 32 water are equipped with 1 relay, total length ≤ 2400m, detailed pipeline drawings need to be drawn (indicating the physical address and wiring sequence of each meter). Wireless network: LoRa needs to plan the gateway position (1-2 per square kilometer), NB-IoT needs to confirm the signal coverage map with the operator, avoid installation in "signal blind areas" (such as basements, steel structure buildings). (II) Equipment Procurement and InspectionQualification review: Water meters need to have CMC metrology certification (China Manufactured Metrological Instruments Permit), CE/CB international certification, and for wireless, they also need a radio transmission equipment type approval certificate (SRRC certification). Sampling inspection ratio: When purchasing in bulk, 1% (no less than units) of each batch is sampled for full performance testing, including static pressure test (no leakage under 1.6MPa pressure for 15 minutes), electromagnetic compatibilityanti-radio frequency interference ≥ 10V/m). Pre-commissioning preparation: Simulate the on-site environment in the laboratory, encode water meter address (ensure no duplication), configure communication parameters (such as LoRa frequency point, spreading factor), and enter the asset management system to generate a unique QR identifier (including model, installation location, warranty period, etc.).   II.Standardized Operation Processes During Construction (I) Site Survey and Positioning Pipeline Survey: A laser rangefinder to record the pipeline direction, diameter, and valve positions, draw a three-dimensional sketch, mark the coordinates of the water meter installation position (precision ±5), and avoid conflicts with gas pipelines and cable trays (horizontal spacing ≥30cm, vertical spacing ≥10cm). For high-rise ris, it is necessary to confirm the water meter installation layer (usually in the equipment layer or intermediate layer) to avoid installation inside residents' rooms (for easy maintenance and to reduce disturb). Tool Preparation: Essential tools: pipe wrench, threading machine, heat fusion machine (PPR pipe), electric welding machine (steel pipe, torque wrench (torque calibration), signal tester (such as LoRa SNR detector). Safety equipment: safety helmet, anti-skid gloves, gas (when working in limited spaces, such as underground meter wells, it is necessary to detect oxygen concentration >19.5%, combustible gas concentration
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Smart Water Meter

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1200-9600bps Remote Electricity Meter Digital Electric Meter GB/T17215.321 Standard；Multiple Communication Methods - Supports NB-IoT, 4G, LoRa, PLC, RS-485, etc., suitable for various scenarios

RS485 Single / Three Phase Electric Meter Electronic Energy Meter High Accuracy；Remote automatic meter reading - automatically collecting data through communication networks

Water Meter Accessories

brass gate valve;Brass Gate Valve, Bronze Gate Valve, Water Gate Valve, Full Port Gate Valve, BSP Gate Valve;full flow gate valve, rising stem brass gate valve, NPT threaded gate valve

Corrosion resistant and weatherproof Class A brass gate valve high pressure shut off valve for house brass filter water valve

Water Meter Accessories with Water Pressure 1.0MPa or 1.6MPa as requested brass fittings in bulk brass connectors OEM brass plumbing parts
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