FourFaith IoT
Doppler-based measurement of instantaneous and average flow velocity; simultaneous acquisition of water level and water temperature; automatic calculation and output of flow rate values; automatic and manual measurement modes; real-time data display on a large backlit screen; built-in clock; local data storage with export and printing via accompanying software; RS485 Modbus standard data output.
No built-in expansion modules; a dedicated AC/DC power supply adapter can be purchased separately.
The F-CL100-D is an integrated flow measurement device developed based on the ultrasonic Doppler effect. It features a probe with no moving mechanical parts and simultaneously collects flow velocity, water level and water temperature data, automatically converting these into flow rate. It is immune to blockages caused by silt or aquatic vegetation. Supplied with a portable handheld display terminal, it eliminates the need for complex on-site calibration curves, significantly reducing equipment maintenance and manual calibration costs for long-term monitoring of rivers and canals.
This impeller-free flow meter provides stable measurements in high-sediment or vegetated waters without blockages, featuring a front-positioned measurement point that prevents flow interference and eliminates the need for K/C coefficient correction. Capable of capturing weak to high-speed flows with an ultra-low start-up threshold, it offers fast response times and simultaneous instantaneous and average velocity outputs. The device supports flexible channel-bottom or side-wall mounting and includes a portable handheld terminal with a backlit LCD for on-site readings. Compatible with global monitoring platforms via standard Modbus RS485, it is ideal for small to medium-sized rivers and channels with significant elevation differences.
| Measurement parameters | flow velocity, water level, water temperature, instantaneous/cumulative flow rate | Flow velocity range | 0.01–5.00 m (range can be extended) |
|---|---|---|---|
| Flow velocity accuracy | 1.0% ± 1 cm/s | Resolution | 1 mm |
| Water level accuracy | 0.2% ± 0.2 cm | Water temperature range | –5 to 60 °C |
| Interface type | RS485 communication interface | Communication protocol | Standard Modbus RTU protocol |
| Power supply and power consumption | 12 V DC | Operating Temperature | 0 °C to +60 °Ctd> |
Flow velocity and flow rate monitoring in small to medium-sized natural watercourses, agricultural irrigation channels, open water supply and drainage channels, and various types of hydraulic spillways
A A It contains no moving mechanical parts, so it will not become entangled or blocked by silt or aquatic vegetation; it operates normally even in frozen water bodies, and the frequency of long-term maintenance is significantly reduced.
A It provides fully linear measurement, eliminating the need to set K or C calibration curves; accurate flow data can be read directly upon installation.
A It supports 12V DC power supply and, when used with an adapter, can be connected to 110–240V AC mains power; data storage, export and printing are achieved via RS485 connection to software.
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