Electromagnetic Flowmeter

Electromagnetic Flowmeter

Electromagnetic flowmeter is an electronic water meter that measures flow based on Faraday’s law of electromagneticinduction.It can be used to measure the volume flow of conductive fluids in closed pipes.It is widely used in flowmeasurement and control in industrial and agricultural production processes such as petrochemicals,steel metallurgy,water supply and drainage,water conservancy irrigation,water treatment,environmental sewage measurement andcontrol,papermaking,medicine,and food.

Features

.There are no moving parts or flow-blocking parts in the meter,and there is almost no additional pressure loss in themeasurement,and the straight pipe section requirement is low;

.Corrosion-resistant,all stainless steel material,simple and firm structure,no moving parts,and long service life;

.Large measurement range,not affected by changes in fluid density,viscosity,temperature,pressure and conductivity,and linear measurement principle can achieve high-precision measurement;

.Wide nominal diameter coverage,multiple options for lining and electrodes,which can meet the requirements ofmeasuring a variety of conductive fluids;

.The converter uses programmable frequency low-frequency torch wave excitation,which improves the stability of flowmeasurement and has low power loss;

.The converter uses a 16-bit embedded microprocessor,full digital processing,fast computing speed,strong anti-interference ability,reliable measurement,high accuracy,and the flow measurement range can reach 1500:1;

.High-definition backlit LCD display,simple and clear menu;

.Integrated design of measurement and transmission,data can be transmitted remotely through RS-485(MODBUSprotocol),GPRS,CDMA,and NB-LOT communication methods;

.It has conductivity measurement function,can judge whether the sensor is empty,and has self-test and self-diagnosisfunctions;

.Adopts SMD devices and surface mount(SMT)technology,with high circuit reliability;

.Can be connected to an external pressure sensor to achieve pipeline pressure measurement and monitoring;

.Overall modular assembly design,small size,light weight,easy installation,and low maintenance.On-site replacementof components plug-in design,no welding and secondary sealing required.

 

Main Parameter

Nominal diameter(mm) Range Ratio Common flow Q3 m3/h Length Connection flange
Q3/Q1 Q2/Q1 mm Flange outer diameter (mm) Bolt hole center circle diameter(mm) Connection bolt
DN50 400 1.6 100 200 165 125 4xM18
DN65 100 200 185 145 8xM18
DN80 160 200 200 160 8xM18
DN100 250 250 220 180 8xM18
DN125 400 250 50 210 8xM18
DN150 630 300 285 240 8xM22
DN200 1000 350 340 295 12xM22
DN250 1600 400 405 355 12xM26
DN300 1600 500 460 410 16xM26

 

Technical Parameter

Item Detail
Material Stainless steel
Working environment temperature -20℃~+50℃
Working environment humidity ≤95%
Flow rate measurement range 0~15m/s
Maximum fluid temperature Integrated type 70℃
Separate type PTFE lining150℃
Chloroprene lining 80℃
Polyurethane rubber lining 70℃
Fluid conductivity Clean water>20uS/cm
Sensor flow signal strength 50~100 microvolts(1 meter/second flow rate)
Frequency band 928MHz open frequency band
Measurement parameters Instantaneous flow rate,instantaneous flow velocity
Communication transmission rate 1200/2400/4800/9600/14400bps
Communication method RS-485(MODBUS protocol),GPRS,CDMA,NB-loT
Flow measurement accuracy 0.5 level,0.2 level
Protection level IP68