Product Introduction
Water flow gauge F3R adopts the principle of ultrasonic transit time measurement, combined with the patented flow algorithm technology, to make accurate measurement of fluid flow in the pipeline. The product is of all-in-one compact structure design, which makes the installation simple and convenient, only 4 steps are required. It does not contact with the fluid during installation, and the flow does not have to be shut off. Water flow gauge F3R comes with LoRa communication. LoRa is a long range and low power wireless communication system that can send small amounts of data over great distances. These two features make it an attractive solution for application in the IoT and IIoT industries. The technology can be utilized by public, private or hybrid networks and provides greater range than Cellular networks. The integration of LoRaWAN technology enables seamless communication between the flow meter and users' central monitoring system. With long-range capabilities and low power consumption, LoRaWAN ensures reliable data transmission over vast distances, even in remote locations. Equipped with precision sensors and advanced algorithms, the water flow gauge F3R delivers highly accurate measurements of water flow rates. Whether is monitoring high-volume industrial processes or optimizing irrigation efficiency in agricultural fields, users can trust the reliability of the data. Gain instant insights into water usage patterns and detect anomalies in real-time with the intuitive monitoring platform. Track flow rates, analyze historical data, and receive timely alerts to proactively address issues and minimize waste. Water flow gauge F3R simplify deployment with hassle-free installation procedures and user-friendly configuration options. With minimal maintenance requirements, users can focus on optimizing water management strategies without disruptions.
Product Specification
1)Body Parameters

2)Appearance


3)Technical Parameters
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Performance Index |
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Flow velocity |
0.1~16ft/s (0.03~5.0m/s) |
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Pipe Size |
DN20~DN80 |
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Measured medium |
water |
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Pipe Material |
Carbon Steel, Stainless Steel, Copper, PVC (Select one of them as per customer's requirements. The details are subject to the instrument display.) |
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Accuracy level |
±2%,(1.0~16ft/s) |
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Temperature |
Transmitter: 14 °F to 122 °F ( –10℃ ~ 50℃ ) Transducer: 32 °F to 140 °F ( 0℃ ~ 60℃ ). |
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Functional Index |
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Communication Protocol |
LoRa (Theoretical max transmit power: 22dBm), RS485 with Modbus RTU, Fuji Protocol |
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Power supply |
10~36VDC, max 500mA |
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Key |
4 keys |
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Display screen |
1.44 "LCD color screen, resolution 128 * 128 |
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Humidity |
Relative humidity 0~99%, No condensation |
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Physical Characteristics |
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Transmitter |
Compact |
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Transducer |
Clamp on Standard cable length:2m |
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Network Cable |
POE network cable, standard length: 2m |
Product Applications
Water Distribution Networks: LoRaWAN flow meters can detect abnormal flow patterns that may indicate leaks or bursts in water distribution pipelines. By continuously monitoring flow rates and comparing them to baseline values, F3R can identify leaks early, allowing for prompt repair and minimizing water loss. Integration with data analytics platforms enables predictive maintenance strategies, helping prevent costly infrastructure damage. F3R provides accurate measurements of water flow at various points in the distribution network. By analyzing flow data and identifying areas with high rates of non-revenue water (NRW), utilities can prioritize infrastructure upgrades and leakage detection efforts to minimize losses. Real-time monitoring capabilities allow for immediate response to fluctuations in water flow, helping utilities take proactive measures to reduce water loss. With LoRaWAN connectivity, flow meters can transmit data wirelessly to a centralized monitoring system, providing utilities with real-time insights into network performance. By analyzing flow data, utilities can optimize the operation of pumps, valves, and other infrastructure components to improve overall network efficiency. Advanced analytics tools can identify areas of the network experiencing pressure drops or flow restrictions, enabling targeted interventions to improve water distribution. F3R enables utilities to accurately measure water consumption patterns across different areas of the distribution network. By understanding demand trends and peak usage periods, utilities can implement demand management strategies such as dynamic pricing or water conservation campaigns to encourage efficient water use. Real-time data monitoring allows utilities to respond quickly to changes in demand, ensuring reliable water supply during periods of high usage.
Product Qualification
For more than three decades, Gentos has been at the forefront of manufacturing top-notch, competitively priced ultrasonic flow meters, earning a reputation for excellence. We are industry leaders in innovation and eco-friendly products, striving to elevate industry standards while keeping costs reasonable.
As our product line continues to evolve, we remain committed to enhancing functionality and pushing the boundaries of quality and performance. Throughout the process of designing new products, we actively seek input from our valued customers, recognizing their invaluable contributions in shaping our success. It is through this collaborative approach that we have carved out a distinctive position in an industry that demands a seamless fusion of safety and performance.
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Deliver, Shipping, and Serving



Shipping
Nurturing seamless customer experiences, Gentos has implemented an expedited delivery system, ensuring prompt product acquisition. Effortlessly, Gentos expedites order processing and swift product dispatch within an efficient 2 to 3-day window. Featuring an extensive selection of transportation and express delivery options, Gentos caters to the unique preferences of each customer.
FAQ
Q1: What is water flow gauge?
A1: A water flow meter is a device that measures the amount of water flowing through a pipe. There are several water flow meter technologies to choose from depending on the water measurement application, maintenance requirements, and budgetary terms.
Q2: How does a flow gauge work?
A2: The principle behind these meters is that an ultrasonic signal is transmitted downstream or in the direction of the flow while another signal is transmitted upstream. The delta or differential time is used to calculate the velocity of the liquid.
Q3: What are the different types of water flow gauges?
A3: Water flow gauges come in various types, including turbine meters, ultrasonic meters, electromagnetic meters, vortex meters, and differential pressure meters. Each type has its advantages and is suitable for different applications based on factors like accuracy, cost, and the type of fluid being measured.
Q4: How do you select the right water flow gauge for your application?
A4: Selecting the right water flow gauge involves considering factors such as the flow range, required accuracy, fluid properties (such as temperature, pressure, and conductivity), installation requirements, environmental conditions, and budget constraints. Consulting with a flow measurement expert or supplier can help in choosing the most suitable gauge for your specific application.
Q5: What are the applications of water flow gauges?
A5: Water flow gauges have numerous applications across industries and sectors. They are used in residential, commercial, and industrial settings for monitoring water usage, detecting leaks, controlling water distribution networks, managing irrigation systems, and optimizing processes in industries like manufacturing, food and beverage, and pharmaceuticals.
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