FLO Open Channel Flow Logger

Open Channel Flow Logger

Battery Powered . Cellular Communication . All-in-One Solution . Explosive Proof .
IECEx/ATEX Ex ia IIB T5 Ga Explosive Proof

■ Flow ■ Velocity ■ Level ■ Water Quality ■ Rainfall ■ Barometer ■ Gas
The Open Channel Flow Logger series is a highly reliable and cost-effective wireless radar open channel radar flow logger with innovative non-contact accurate Radar measurement technology for flow and level monitoring, communication, logging, alarming, control and analysis applications. It is built-in with radar level, radar flow velocity, hydrostatic level, barometer, I/Os, cellular communication, bluetooth, RS485 and GPS modules. With robust IP68 water submersible enclosure, the product is designed for frequently flooded and humidity outdoor locations such as sewer, river, irrigation channels etc. Ultra low power consumption allows battery or solar power tp ensure for 5 years of continuous operation.
 Video 
 Advantages 
 
Operate independently Alarm Burst, Water Hammer High Speed Computing IP68 Housing High Speed Computing
Wide Operating Temperature Multi-Parameter Monitoring Intelligent Battery Smart Function Flexible Communications Auto Data Collection
  • Simultaneously Monitor Flow Volume, Velocity, Level, Rainfall and Water Quality
  • Innovative Non-Contact Accurate Radar Measurement Technology, Ideal for Flow Monitoring with Chemicals, Oil and Suspended Solids, Eliminates Problems Inherent with Submerged Sensors including Disturbances, Sludge and Reflectors
  • 1000 KHz Continuous-Wave Doppler Aera Velocity Sensors for Sites Where Submerged, Surcharged, Full Pipe, or Rererse Flow Conditions May Occur
  • 80 GHz Superier Focusing Radar Beam, Beam Angle Less than 6° to Avoid Obstacles and Build up in Confined Spaces
  • 120 dB Wide Dynamic Range to Accurately and Reliably Measure Poorly Reflective Liquides, Liquid down to Bottom level, Even with Surface Foam, Extremely Turbulent Flow, and Condensation on Antenna
  • Advanced Intelligent Algorithm and Signal Processing Technology to Eliminate Radar Echo Noise
  • Perfect Solution for Difficult Flow Conditions, Such as High Solids Content, High Temperature, Caustic, Shallow, Reverse and High Velocity Flow
  • Built-in Flow Calculation and Hydraulic Model for Diverse Profiles
  • Waste Discharge Calculation Function (Concentration X Flow) to Monitor Pollution Load
  • Always on Two Way Communication, Real-time Refresh Data and Alarm
  • Built-in 0.01 sec High Speed Counters, Connects Directly to Rainfall Gauge to Log Rainfall Along with Flow Data
  • Surcharge Hydrostatic Level Sensor, Continue to Provide Uninterrupted Level Measurement
  • Ultrasonic Flow Velocity Sensor, Continue to Provide Uninterrupted Velocity Measurement
  • Temperature, Humidity Monitoring Pressure Sensor Voltage, Current, Power Comsumption Monitoring and Failure Self Diagnosis Function
  • Installation Angles Measurement and Alarming if Incorrect Installation or Position Changed due to Collide, Dorp or Unauthorized Dismantle
  • Ultra Low Power Consumption, up to 5 Years of Operation
  • Robust IP69K/IP68 Submersible Anti-Corrosive Enclosure
  • Support Cellular, Satellite, WiFi, Ethernet Hot Backup Redundant Communication
  • Auto Store and Delivery Incomplete Uploads to Ensure No Data Loss
  • Support SD Memory Card for Data Storage and Backup
  • Plug and Play, Sensors Auto Identification, Connects up to 8 Flow, Water Quality and Level Sensors
  • Sensor Port Supports Fiber Communication, Resists EMI, Surge, Lightning, and Corrosive Gas, up to 10 km Communication Distance
  • Support IP Camera Port, Streams Live Video to the Cloud via Cellular or WiFi Network
  • Built-in IF_THEN_ELSE, PID, Time Table, Alarm and Manual ON/OFF Control Functions
  • Peer to Peer Communication of Sensors and I/O for Alarm and Control Conditions of Remate Controllers
  • Support FTP, SFTP, MQTT, RESTful, Modbus TCP, LoRa Protocols
  • Upload Log and Alarm Files to Two Data Servers
  • Standard OPC Server Software to Seamlessly Connect SCADA Software and Database
  • Cloud Based Platform for Configuration, Operation, Monitoring, Alarm, Control and Data Analysis
  • Software Tool for Data Monitoring, Calibration, Configuration and Diagnosis
  • IECEx/ATEX Ex ia IIB T4/T5 Ga Explosive Proof Certification
  • Wide Operating Temperature Range: - 40 to 85 ℃ (- 40 to 185 ℉ )
 Benefits 
 
 

 
 
 
 
 
Borderless deployment without standard cabin, signal transmitter, communication module, power supply, surge isolation and lighting arrester Eliminate power/networking/sensor /I/O cabling, software configuration, engineering and infrastructure cost Seamless connection to public or private network and software solutions Easy to install, no need for calibration and quick connect within seconds. It is Ideal for mobile operation Low maintenance and troubleshooting. Minimizes running and operating cost
  Applications 
 
Rivers and Streams
Our innovative non-contact high-precision radar monitoring technology provides a cost-effective solution for remote measurement, data collection, recording, transmission, alerting, and control of rivers and streams. With ultra-low power consumption, it can operate continuously for over 5 years using battery or solar power, eliminating the need for external power sources.
Drainage and Irrigation Channels
Our drainage and irrigation channel system adopts gates, pumps, water flow (water level), and water quality monitoring units, enabling comprehensive automated control of drainage gates and pumps in flood-prone areas, effectively preventing flood disasters.
  Sewerage System 
A stable and durable product combination that provides powerful decision-making information for urban drainage management. It offers real-time warnings and optimizes overall scheduling to maximize the drainage capacity and self-recovery resilience of infrastructure. It effectively reduces rainstorm overflow and illegal discharges of pollutant.
  Stormwater Runoff
We offer a robust and weather-resistant product combination that automatically collects real-time hydrological information and predicts the dynamic flooding process for the next 36 hours. It optimizes the operation and coordinated scheduling of drainage networks, pump stations, detention basins, and other facilities to meet the challenges of extreme weather conditions. This effectively reduces flooding and pollution disasters.
  Urban and Industrial Wastewater
Our advanced product combination is designed to meet the demands of challenging environments, enabling wastewater treatment plants to achieve energy efficiency, reduced consumption, and high-performance operations. We continuously strive for precision and excellence in operational management.

FLO Open Channel Flow Data Logger Technical Comparison

Comparison Item FLO Open Channel Flow Data Logger Traditional Open Channel Flow Meter / Level-Based Calculation Submersible Flow Velocity Meter RTU / PLC System General 4G Logger
Product Positioning Integrated remote monitoring platform for open channel flow Flow measurement mainly based on water level or weir/flume formulas Contact-type sensor for measuring flow velocity / water level Automatic control and on-site monitoring system Single communication data upload device
Main Monitoring Parameters Flow, velocity, level, water quality, rainfall, atmospheric pressure, and gas Mainly focused on water level or single flow measurement Flow velocity and level, depending on sensor configuration Depends on external modules and programming Mostly single-sensor or simple data applications
Measurement Technology Non-contact radar level and radar velocity measurement, with optional ultrasonic velocity, hydrostatic level, and barometric pressure modules Mostly based on weirs/flumes, water level formulas, or manual calibration conversion The sensor must contact the water body and is easily affected by sludge, grease, and floating debris Requires integration of various sensors and modules Depends on the external sensor used
Applicable Flow Conditions Suitable for challenging flow conditions such as high suspended solids, corrosive water, shallow flow, reverse flow, high velocity, full-pipe flow, or surcharge flow More suitable for channels with stable hydraulic conditions and regular cross sections Suitable for sites where long-term submersion is possible and in-water interference is relatively low Depends on engineering design Mostly used for simple remote monitoring
Communication Methods 4G, NB-IoT, LoRa, satellite, WiFi, Ethernet, Bluetooth, and RS485 Usually requires on-site reading or additional communication equipment Requires an additional data logger or communication module Depends on system integration Mainly based on 4G communication
Power Supply Internal battery, external power supply, solar power, and external battery Usually requires an external power supply or independent battery Usually requires an external power supply or data logger power supply Usually requires stable mains power and a power distribution cabinet Battery or external power supply
Outdoor Protection IP69K / IP68 rugged submersible anti-corrosion enclosure Depends on the equipment The sensor must remain in contact with the water body for long periods, resulting in higher maintenance requirements Usually requires protection by a control cabinet Depends on the product
Installation and Maintenance Non-contact measurement helps reduce issues caused by sludge buildup, flow disturbance, and in-water reflectors; suitable for rapid installation and mobile monitoring Requires construction and calibration according to weir/flume or cross-section conditions Requires regular sensor cleaning to prevent sludge or floating debris from affecting measurement Higher construction and maintenance costs; requires wiring, cabinet installation, and programming Simpler installation, but with limited functionality
Disconnection Handling Supports data storage and automatic retransmission after communication is restored Depends on the system Depends on the data logger Requires system design Depends on the product
Cloud Platform Can be integrated with the AQWEB cloud management platform, supporting remote display, alarms, trend charts, reports, and data analysis Usually requires separate integration Usually requires connection to an additional platform or data system Requires engineering integration Mostly uses a basic platform
Data Integration Supports Modbus TCP, FTP, MQTT, RESTful, LoRa, OPC Server, and other interfaces Usually more limited Depends on the data logger or gateway Customizable, but with higher implementation cost Mostly uses fixed data formats
Regulatory / Certified Applications Complies with the Environmental Protection Administration’s automatic monitoring facility method NIEA W024.51C and can be supplied with IECEx / ATEX explosion-proof certification Depends on equipment and project certification requirements Depends on equipment and project certification requirements Requires separate selection of explosion-proof and regulatory-compliant equipment Usually limited availability
Suitable Applications Sewage sewers, flood control drainage, wastewater treatment plants, rivers and irrigation channels, effluent, petrochemical, industrial, and environmental monitoring applications Fixed weirs/flumes or channels with stable hydraulic conditions Channels where the sensor can contact the water body and maintenance is convenient Fixed facilities or control systems Simple remote data transmission
The FLO Open Channel Flow Data Logger is not simply a 4G logger, nor is it just a traditional level-based flow meter. It integrates non-contact radar level measurement, radar velocity measurement, data logging, multiple communication methods, battery / solar power supply, cloud platform capability, and data integration interfaces, making it suitable for open channel flow applications that require long-term stable monitoring.
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Radar Open Channel Flow Logger and Controller

FLO Series

FLO Open Channel Flow Logger
The Open Channel Flow Logger is a highly reliable and cost-effective wireless open channel ...