HGD Electromagnetic Flow Meter ( New Model: SY-LDY )

Product name: Electromagnetic flow meter
Product description:Electromagnetic flow meter is mainly used to measure the volume flow of water, waste water, sewage, beverage, pulp, slurry, the fluid temperature usually not more than 120℃, fluid’s conductivity not less than 5μS/cm.

Product Description

Common used type​
In-line compact type
External powered
In-line Remote type
External powered
In-line compact type
Battery powered
In-line Remote type
Battery powered
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Technical data
Suitable Diameter DN10~DN2600 (below DN25 non-standard)
Electrode quantity 3pcs ( a pair of measuring electrode and a ground electrode)
Suitable Fluid Liquid with conductivity not less than 5 μs/cm
Measuring Range 0.5~10m/s (extendable to 15m/s)
Upper Limit of Span 0.5~10m/s. 1~5m/s recommended
Accuracy 0.5%, 1.0% of F.S.
Repeatability Better than 0.25%
Display of Converter Display : Flow rate ( 4-digits), Totalizer (9-digits), Velocity, Alarm status by LCD ( LED-option)
Flow unit: L/h, L/m, L/s, m3/h, m3/min, m3/s,
USG/h, USG/min,USG/s ( USG is us Gallon on request )
Flow direction : selectable by program
3 Digits display below of decimal points.
K-factor: 5 digits.
Programming language: English, Chinese
Structure option: Compact type; Remote Type
Power supply option 85 ~ 250VAC / 50 or 60Hz; 20 ~ 36VDC,  Battery power: 3.6V lithium battery
Output Signal 4~20m ADC, load ≤ 750ohm,
0~3kHz, 5V with source and changeable width.High terminal and effective frequency output
Voltage output:0-5 V DC
Conduit connection Thread M20 * 1.5
Communication option RS-485; HART
Operation Pressure 1.0MPa, 1.6MPa, 4.0MPa, 16MPa (Special)
Operation temperature Depends on liner material
Ambient Temperature Sensor -40°C ~80°C. transducer -10°C ~50°C
Ambient Humidity ≤ 85%RH (at 20 ℃)
Power Consumption ≤ 8W
Wheather-proof Compact type: IP65. Remote type: sensor IP68, transducer IP65.
Electrode material option 316L (stainless steel), Hastelloy C, Hastelloy B, Titanium, Tantalum
Liner material option PTFE, Soft rubber, Hard rubber, F46, FS, PUR.
Meter tube material option Carbon steel, SS304
Connection type Flange connection, Tri-clamp
Flange standard option GB9119-88 (DIN2051, BS4504), JIS, ANSI
Explosion-proof Exd mb IICT6 Gb
Certificate ISO9001:2015, ISO14001:2015, SIL 3, OHSAS18001:2007


Dimension for DN15~DN150 Compact type

drawing of in line type

DN L H Estimated weight (Kg)
Integral meter Sensor
15 200 220 10 7
20 200 220 12 9
25 200 230 14 11
32 200 235 15 12
40 200 245 16 13
50 200 250 17 14
65 200 270 25 22
80 200 285 29 26
100 250 300 31 28
125 250 330 35 32
150 300 360 41 38
Workshop Assembly line
   workshop assembly line


Workshop Calibration line





Filed application of ElectroMagnetic flow meter

Drink water flow measurement                                 Waste water flow measurement                           Slurry flow measurement

field application




Answer : Please send your question or enquiry to our email: sales@hginstrument.com, we will forward the questions to the related engineer.

Answer :  Please communicate with the sales about the return procedure before returning product.

Answer :  The delivery time depends on the order quantity and product specification.  If the product’s specification is conventional ( not special ),  delivery time is 5 or 7 working days for order quantity ≤ 10 pieces;  delivery time is 2 or 3 working weeks for order quantity 15 ~ 30 pieces. 

Answer :  by Courier,  by Sea or by Air

Answer :  Yes,  Generally warranty is one year.

Answer :  From year 2015  to year 2021,  average annual sales is RMB 350 million ( about USD 54.7 million )

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