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E-Flow

User Manual

V1.32

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Содержание E-Flow

Страница 1: ...E Flow User Manual V1 32 ...

Страница 2: ...od and direction 7 2 2 Site Selection 8 2 3 Installation Precautions 10 2 4 Installing Sensor Connector 10 3 Operating Modes 11 3 1 Normal Mode 11 3 2 Sleep Mode 11 4 Technical Specifications 12 5 Application Scenarios and Solutions 13 6 System Configuration Software 15 6 1 Installation Preparation 15 6 2 Software Interface 16 6 3 Flow Meter Parameter Settings 17 6 4 Velocity Spectrum 19 6 5 Histo...

Страница 3: ...00 velocity points to record a true average velocity for your measured area The E Flow also uses the doppler micro strip radar technology to record the depth of flow By using the industry standard velocity area method the water level is measured to convert the cross sectional area and then the average velocity is converted from the true average velocity combined with the cross sectional parameters...

Страница 4: ...y identifies the time interval and phase difference between the transmitted pulse and the received pulse greatly measurement accuracy and repeatability The E Flow firmware the uses the onboard wave cancellation algorithm to carry out a final check of accuracy and repeatability of the recorded depth 1 2 3 Flow Measurement Principle The velocity and level measurements recorded by the E Flow sensor i...

Страница 5: ...nt is less than 30uA E Flow R 1 3 2 Wiring interface 1 7 32V 5 5 32V optional DC power supply 2 The working current and standby current are low it can be powered by solar energy which is convenient for installation and maintenance free 3 Lightning protection circuit 6KV lightning protection Thunderstorm days can effectively protect equipment against lightning strikes 4 Support RS485 RS232 4 20mA w...

Страница 6: ... above the flowmeter host consists of a flow velocity measurement sensor a water level measurement sensor a data transmission interface and a wireless data transmission antenna optional E Flow Radar Flow Meter Manual V1 24 5 ...

Страница 7: ...1 3 3 Size Dimensions The appearance size without antenna is 160 100 83 2 unit mm E Flow Radar Flow Meter Manual V1 24 6 ...

Страница 8: ...2 Installation 2 1 Instrument installation method and direction E Flow Radar Flow Meter Manual V1 24 7 ...

Страница 9: ...influence of floating objects and back eddies The measuring angle of the radar water level gauge is 8 and the launch angle of the radar velocity meter is 12 as shown in the figure below The relationship between the diameter and distance of the circle is shown in the following table E Flow Radar Flow Meter Manual V1 24 8 ...

Страница 10: ... non contact measuring equipment such as radar flowmeters the installation points should avoid the following positions 1 Avoid any change in the direction of flow try to ensure that the flow direction is parallel to the installation direction of the radar flowmeter E Flow Radar Flow Meter Manual V1 24 9 Installation height m Flowmeter covers diameter range m Water level gauge covers diameter range...

Страница 11: ...r surface at an even level 2 Do not install the instrument on a bend 3 The instrument should not be installed at high or low drop 4 Do not install the instrument on the vortexed flow conditions 2 4 Installing Sensor Connector As shown in the figure below when the cable is inserted into the instrument hold the position of the cable the red dot of the cable plug is aligned with the red dot of the in...

Страница 12: ...tinuous working state continuous sampling measurement relatively high power consumption returning to the last measurement result fast response and excellent real time performance 3 2 Sleep Mode After setting the scan rate of the device the flowmeter will measure the latest flow rate water level and other data before entering the sleep mode and save it When the set scan rate time is reached it will...

Страница 13: ...ent 30mA sleep 30uA Protection level IP68 Lightning protection level 6KV Physical dimension 160 100 80 mm Weight 1KG Radar speed sensor Radar power 100mW Radar frequency 24GHz Maximum range 40m Speed range 0 03m s 20m s related to water flow Speed measurement accuracy 0 01m s 1 FS Radar current meter beam angle 12 Measuring direction Automatic recognition of water flow direction built in vertical ...

Страница 14: ...eration of 24QP radar flow monitoring system the device uses non contact measurement is not subject to sewage corrosion greatly reducing maintenance costs The water level velocity and flow rate are measured in real time and transmitted to the monitoring centre through the RTU 2 Urban Drainage Network Monitoring Solution The system consists of a radar flowmeter a pressure water level gauge mainly f...

Страница 15: ...on full pipe state the radar flowmeter works to monitor the flow velocity flow direction water level and flow data inside the sewage pipe in real time When the drainage pipe is in the full pipe state the radar flowmeter is in a flooded state stops working the optional pressure water level sensor starts operating to record the water level data in the sewer in real time E Flow Radar Flow Meter Manua...

Страница 16: ...Preparation 1 Prepare a computer with Windows 7 and above operating system 2 The RS485 communication interface of the radar flowmeter needs to communicate with the PC and a set of RS485 to USB converter is required if RS232 interface is required a corresponding converter is required and the RS485 interface is connected for specific connection methods please refer to 1 3 3 Pin configuration above I...

Страница 17: ... of data refresh the unit is second if it is set to 2 it means that the measurement result is refreshed every 2 seconds click start measurement to start the flowmeter and enter the working state If you need to modify the address you can write and modify it in the modify address column range 1 C8H corresponding to decimal 1 200 The maximum flow rate maximum water level and maximum flow are used to ...

Страница 18: ...the signal strength of the site under high probability The default value has considered most application scenarios and the setting needs to be modified only when the signal is too weak The lower right corner displays the current measurement results numerically and at the same time updates according to the set query time period the home page view will have 3 coordinates displayed on the correspondi...

Страница 19: ... adjusted only when the installation distance is long and the flow rate is low the signal is weak and it needs to be adjusted according to the field signal strength The threshold setting of the flow rate radar sensor should not be less than 400 The number of filtering times corresponds to the wave eliminating effect the larger the wave eliminating effect is the more stable the measurement result i...

Страница 20: ... all settings to get the currently set parameters Click Restore Factory Settings to restore the default parameters Set the still water height and click write to set the still water height 6 4 Velocity Spectrum Click Get Spectrum you can view the signal quality of the velocity radar sensor for on site debugging E Flow Radar Flow Meter Manual V1 24 19 ...

Страница 21: ...lick the history menu to see the history data list click the list to see the curve data of this measurement and click export to export and save the curve data as an Excel or xml file E Flow Radar Flow Meter Manual V1 24 20 ...

Страница 22: ...r flow is very fast the water is turbulent the water surface is rough and there are many debris and floating objects Can the radar flowmeter be used to obtain accurate measurement results in this case Answer Yes The turbulent water current and the floating objects on the water surface can provide a good return signal for the radar speed probe Please note that in this case the radar speed probe wil...

Страница 23: ...d re power on after confirmation 2 Check whether the SIM card is inserted and make sure that the SIM can access the Internet normally 3 Check whether the SIM card is not inserted properly 4 Check whether the server side receiving program is normally installed and configured correctly 5 Check whether the device RTU upload server and port number are configured correctly Appendix B Shipping List Numb...

Страница 24: ...E Flow Radar Flow Meter Manual V1 24 23 ...

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