SUP-LDG Battery powered electromagnetic flowmeter

The battery-powered electromagnetic flow meter converter adopts internal battery power supply without  external power supply. It is suitable for working conditions where the field power grid cannot be reached and  the power grid is difficult to lay. It is especially suitable for the monitoring, metering and settlement of the tap  water supply system.

Features

Diameter: DN3-DN2100

Accuracy: 0.5%

Environmental temperature: -20℃~50℃

Ingress protection: IP65, IP68 (optional)

SUP-LDG Battery powered electromagnetic flowmeter
  • Specification
 Product  Electromagnetic flowmeter
 Model  SUP-LDG
 Diameter nominal  DN3~DN2100
 Accuracy 0.5%
 Environmental temperature  -20℃-50℃
  Relative humidity ≦95%
 Lining material
PTFE, PFA, F46, neoprene, polyurethane rubber, high temperature
rubber
 Flow range
0-15m/s
 Conductivity
Clean water >20 μs/cm
 Communication RS485 (modbus protocol), GPRS
 Electrode material SS316, Hastelloy B/C, titanium, tantalum, platinum-iridium alloy,
tungsten carbide
 Electrode type
Standard , scraper, replaceable
 Connection
Flange, plug-in, clamp ,clip-on
 Medium temperature
-20℃~+60℃
Nominal pressure
0.6~4.0Mpa (other can be customized)
Measurement parameter
Instantaneous flow, instantaneous flow rate
Record parameter
Accumulated total Flow
Detection and alarm parameters
Fluid empty pipe detection alarm, excitation current detection alarm
Test mode output signal
Unit volume flow pulse

 

  • Measuring principle

Mag meter works based on Faraday's law, when the liquid goes through the pipe at the flow rate of v with a diameter D, within which a magnetic flux density of B is created by an exciting coil, the following electromotive E is generated in proportion to flow speed v:

E=K×B×V×D

Where:
E-Induced electromotive force 
K-Meter constant 
B-Magnetic induction density
V-Average flow speed in cross-section of measuring tube 
D-Inner diameter of measuring tube   

flowmeter principle

The sensor uses the induced potential E as a flow signal and transmits it to the converter. After a series of digital processing by amplifying, transforming and filtering, the instantaneous flow and cumulative flow are displayed by a dot matrix liquid crystal with backlight.


                 

  • Introduction 

The battery-powered electromagnetic flow meter converter adopts internal battery power supply without  external power supply. It is suitable for working conditions where the field power grid cannot be reached and  the power grid is difficult to lay. It is especially suitable for the monitoring, metering and settlement of the tap  water supply system. The battery-powered electromagnetic flow meter converter adopts ultra-low power circuit technology to design efficient and reliable excitation and signal processing circuits to achieve measurement functions to ensure that the converter has high reliability and stability. At the same time, it  adopts highly efficient system management technology. The system power consumption is reduced, power supply cost is saved, and accurate measurement is realized at the same time.

 

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  • Application

 

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