ATLD Insertion Electromagnetic Flow Meter

Insertion Type magnetic flow meter is connected with the pipeline through the installation base, ball valve, compression nut and positioning screw. Sensor measurement is divided into two structural types: measuring tube type and plane electrode type. The measuring tube sensor is suitable for measuring the cleaning medium; Planar electrode type is suitable for liquid flow measurement with other impurities in the measuring medium.

Plug-in electromagnetic flow meter can be installed and disassembled conveniently without stopping water under low pressure or pressure. Therefore, it is very suitable for the fluid measurement of existing pipelines and convenient for the maintenance and repair of instruments.

Enquiry

Electromagnetic flow meter is a speed instrument for measuring the volume flow of conductive medium. It outputs standard current signals for recording, adjustment and control while monitoring and displaying on the spot, so as to realize automatic control of detection and remote transmission of signals.

The electromagnetic flow meter comprises of interconnected transmitters and sensors that collaborate to accurately measure fluid flow. The sensor, designed with a direct connection, quantifies the induced voltage generated by the fluid as it traverses through the pipe. Subsequently, the transmitter gauges this voltage and converts it into a precise flow rate before transmitting the measurement data to the control system.

The flow principle behind electromagnetic flow meters is called Faraday’s Law, and its mathematical expression is defined as E=k*B*D*V. The induced voltage (E) is proportional to the speed (V) of the fluid passing through the magnetic field (B). The induced voltage enters the transmitter through the electrode loop. A transmitter then converts this voltage into a quantifiable flow speed. The volumetric flow rate of the fluid is calculated using this known velocity combined with the area of the pipe.

Electromagnetic flow meters are highly suitable for a diverse range of applications across various industries, including pulp and paper, metallurgy and mining, water and wastewater treatment, food and beverages, chemicals and petrochemicals, as well as oil and gas. Due to their streamlined design without any protrusions or obstructions in the pipeline, electromagnetic flow meters can be seamlessly adapted for an extensive array of applications encompassing clean liquids, slurring, as well as highly corrosive or abrasive fluids.

Features

  • Suitable for measuring pipe diameter: DN100~3000mm
  • The measurement accuracy is not affected by the changes of physical parameters such as temperature, pressure, density, viscosity and conductivity (as long as the conductivity is greater than 20µs/cm) of the measured medium
  • The sensor has almost no pressure loss and extremely low energy loss
  • Compared with the general flowmeter, the manufacturing cost and installation cost are lower. It is especially suitable for flow measurement of large and medium diameter pipelines
  • Adopt advanced low-frequency square wave excitation. Zero point stability, strong anti-interference ability and reliable work
  • Large flow measurement range. The full-scale flow velocity in the measured pipeline can be set arbitrarily from 1m/s to 10m/s, and the output signal has a linear relationship with the flow rate
  • The flowmeter not only has (0~10)mA DC or (4~20)mA DC standard current output, but also has (1~5)kHz frequency output

Specification

Size DN3-DN3000mm
Nominal Pressure 0.6-1.6MPa (2.5MPa/4.0MPa/6.4MPa…Max 42MPa – optional)
Accuracy +/-0.5%(Standard)
or +/-0.2%(Optional)
Liner PTFE, Neoprene, Hard Rubber, EPDM, FEP, Polyurethane, PFA
Electrode SUS316L, Hastelloy B, Hastelloy C
Titanium, Tantalum, Platinium-iridium
Structure Type Integral type, remote type, submersible type, Insertion type
Medium Temperature -20~+60 degC(Integral type)
Remote type(Neoprene,Hard Rubber,Polyurethane,EPDM) -10~+80degC
Remote type(PTFE/PFA/FEP) -10~+160degC
Ambient Temperature -20~+60deg C
Ambient Humidity 5-100%RH(relative humidity)
Measuring Range Max 15m/s
Conductivity >5us/cm
Protection Class IP65(Standard); IP68(Optional for remote type)
Process Connection Flange (Standard), Wafer, Thread, Tri-clamp etc (Optional)
Output Signal 4-20mA/Pulse
Communication RS485(Standard), HART(Optional),GPRS/GSM (Optional)
Power Supply AC220V (can be used for AC85-250V)
DC24V (can be used for DC20-36V)
DC12V (optional), Battery Powered 3.6V (optional)
Power Consumption <20W
Alarm Upper Limit Alarm / Lower Limit Alarm
Self-diagnosis Empty Pipe Alarm, Exciting Alarm
Explosion Proof ATEX

 

Comparison Table of Flow and Velocity of Electromagnetic Flowmeter

flow rate

Flow m/s

m³/h

Diameter mm

0.1 0.5 1 2 3 4 5 10
DN10 0.0283 0.1414 0.2827 0.5654 0.8482 1.1309 1.4137 2.8270
DN15 0.0636 0.3181 0.6362 1.2723 1.9085 2.5447 3.1809 6.3620
DN20 0.1131 0.5655 1.1310 2.2619 3.3929 4.5239 5.6549 11.310
DN25 0.1767 0.8836 1.7671 3.5343 5.3014 7.0686 8.8357 17.671
DN32 0.2895 1.4476 2.8953 5.7906 8.6859 11.581 14.477 28.953
DN40 0.4524 2.2619 4.5239 9.0478 13.572 18.096 22.620 45.239
DN50 0.7068 3.5343 7.0686 14.137 21.206 28.274 35.343 70.686
DN65 1.1946 5.9730 11.946 23.892 35.838 47.784 59.730 119.460
DN80 1.8096 9.0478 18.096 36.191 54.287 72.382 90.478 180.956
DN100 2.8274 14.137 28.274 56.549 84.823 113.097 141.372 282.743
DN125 4.4179 22.089 44.179 88.357 132.536 176.715 220.893 441.786
DN150 6.3618 31.809 63.618 127.235 190.852 254.469 318.086 636.173
DN200 11.310 56.549 113.098 226.195 339.292 452.389 565.487 1130.97
DN250 17.671 88.357 176.715 353.429 530.144 706.858 833.573 1767.15
DN300 25.447 127.235 254.469 508.938 763.407 1017.88 1272.35 2544.68
DN350 34.636 173.180 346.361 692.721 1039.08 1385.44 1731.80 3463.61
DN400 45.239 226.195 452.389 904.779 1357.17 1809.56 2261.95 4523.89
DN450 57.256 286.278 572.555 1145.11 1717.67 2290.22 2862.78 5725.55
DN500 70.686 353.429 706.858 1413.72 2120.58 2827.43 3534.29 7068.58
DN600 101.788 508.938 1017.88 2035.75 3053.63 4071.50 5089.38 10178.8
DN700 138.544 692.721 1385.44 2770.88 4156.33 5541.77 6927.21 13854.4
DN800 180.956 904.779 1809.56 3619.11 5428.67 7238.23 9047.80 18095.6
DN900 229.022 1145.11 2290.22 4580.44 6870.66 9047.79 11451.1 22902.2
DN1000 282.743 1413.72 2827.43 5654.87 8482.30 11309.7 14137.2 28274.3
DN1200 407.150 2035.75 4071.50 8143.01 12214.5 16286.0 20357.5 40715.0
DN1400 554.177 2770.88 5541.77 11083.5 16625.3 22167.1 27708.8 55417.7
DN1600 723.823 3619.11 7238.23 14476.5 21714.7 28952.9 36191.1 72382.3
DN1800 916.088 4580.44 9160.88 18321.8 27482.7 36643.5 45804.4 91608.8
DN2000 1131.97 5654.87 11309.7 22619.5 33929.2 45238.9 56548.7 113097
DN2200 1368.48 6842.39 13684.8 27369.6 41054.3 54739.1 68423.9 136848
DN2400 1628.60 8143.01 16286.0 32572.0 48858.1 65144.1 81430.1 162860
DN2600 1911.35 9556.72 19113.4 38226.9 57340.3 76453.7 95567.2 191134
DN2800 2216.71 11083.5 22167.1 44334.2 66501.2 88668.3 110835 220671
DN3000 2544.70 12723.5 25446.9 50893.8 76340.7 101787 127235 254469