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

HGD 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. HGD Electromagnetic Flow Meter’s standard configuration has grounding electode. HGD Electromagnetic Flow Meter’s option communication: RS485, HART, Profibus DP, profibus PA.

HGD Electromagnetic Flow Meter is widely used in oil and gas field water injection, sewage treatment, paper making, municipal water supply and drainage.
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Product Description

Common used type​ of HGD Electromagnetic Flow Meter
In-line compact type
External powered
In-line Remote type
External powered
In-line compact type
Battery powered
In-line Remote type
Battery powered
emf t1 emf t2 w803e f3 emf t4

 

Technical data of HGD Electromagnetic Flow Meter
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 HGD Electromagnetic Flow Meter

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

 

Wiring Terminal instruction of  HGD Electromagnetic Flow Meter’s remote converter as follow table:

Wiring Terminal Description Remark
SIG1 Signal l For transducer of remote type
SGND Signal Ground
SIG2 Signal 2
DS1 Shielded Exciting  1
DS2 Shielded Exciting  2
EXT + Exciting Current “+”
EXT – Exciting Current “-“
VDIN 24VDC Connect point (for 2-wire current output) Use for wiring of analog Current Output
IOUT Analog Current Output
ICOM Analog Current Output Ground
POUT Flow Frequency (Pulse) Output Use for wiring of frequency (pulse) Output
PCOM Frequency (Pulse) Output Ground
ALMH Upper Limit Alarm Output Use for wiring of alarm Output
ALML Lower Limit Alarm Output
ACOM Alarm Output Ground
TRX+ Communication terminal (RS485 A+) Use for wiring of communication
TRX- Communication terminal (RS485 B-)
TCOM RS232 Communication Ground
L Connect 220VAC / 24VDC +
N Connect 220VAC / 24VDC –

 

Wiring Terminal instruction of  HGD Electromagnetic Flow Meter’s compact converter as follow table:

Wiring Terminal Description Remark
L 2 Connect 220VAC / 24VDC –
L 1 Connect 220VAC / 24VDC +
COM Current Output Ground for Flow Measurement Use for wiring of analog Current Output
I + Current Output for Flow Measurement
COM Frequency / Pulse Output Ground Use for wiring of frequency / pulse Output
P+ Frequency / Pulse Output for Bi-directional Flow
AH Alarm Output for Upper Limit Use for wiring of alarm Output
AL Alarm Output for Lower Limit
COM Alarm Output Ground (connect with Current Output Ground or Frequency / Pulse Output Ground )
FUSE Fuse for Power Supply
T + Communication terminal (RS485 A+) Use for wiring of communication
G RS232 Communication Ground
T – Communication terminal (RS485 B-)

 

HGD Electromagnetic Flow Meter’s converter has 54 parameters totally,  user can operate buttons to set parameters, HGD Electromagnetic Flow Meter’s parameter list is shown as following table:

Item Parameter words Function description Setting way Range Password Grade
1 Language Display language Select Chinese / English 2
2 Comm Addres Instrument Communication Address Setting Value 0 ~ 99 2
3 Baud Rate Instrument Communication Speed Select 300 ~ 38400 2
4 Snsr Size Pipe line Size Select 3 ~ 3000 2
5 Flow Unit Measuring Unit Select L/h, L/m, L/s, m3/h  m3/min,m3/s 2
6 Flow Range Measure range Setting Setting Value 0 ~ 99999 2
7 Flow Rspns Measure Damping Time Select 1 ~ 50 2
8 Flow Direct Measuring Direction Selection Select Forward / Reverse 2
9 Flow Zero Flow Zero Amendment Setting Value 0 ~ ±9999 2
10 Flow Cutoff Small Signal Resection Point Setting Value 0 ~ 599.99% 2
11 Cutoff Ena Resection Point Indication

Permission

Select Permit /Prohibit 2
12 Total Unit Flow Totalize Unit Select 0.001m3 ~ 1 m3

0.001 L ~ 1 L

2
13 SegmaN Ena Reverse Output Permission Select Permit /Prohibit 2
14 Analog Type Current Output Type Select 0 ~ 10 mA / 4 ~ 20mA 2
15 Pulse Type Pulse Output Mode Select Frequency/Pulse 2
16 Pulse Fact Pulse

Unit equivalent

Select 0.001m3 ~ 1 m3

0.001 L ~ 1 L

2
17 Freque Max Frequency Output Range Select 1 ~ 5999 Hz 2
18 Mtsnsr Ena Empty pipe Alarm Permission Select Permit/Prohibit 2
19 Mtsnsr Trip Empty pipe Alarm Threshold Setting Value 59999% 2
20 Alm Hi Ena Upper Limit Alarm Permission Select Permit/Prohibit 2
21 Alm Hi Val Upper Limit Alarm Value Setting Value 000.0 ~ 599.99% 2
22 Alm Lo Ena Lower Limit Alarm Permission Select Permit/Prohibit 2
23 Alm Lo Val Lower Limit Alarm Value Setting Value 000.0 ~ 599.99% 2
24 Sys Alm Ena Excitation Alarm Permission Select Permit/Prohibit 2
25 Clr Sum Key Total Flow Zero Password Setting Value 0 ~ 99999 3
26 Snsr Code1 Sensor Code 1 User Setting Factory Year Month (0 ~ 99999) 4
27 Snsr Code2 Sensor Code 2 User Setting Product Serial No ( 0 ~ 99999) 4
28 Field Type Exciting frequency type Select Type 1, 2, 3 4
29 Sensor Fact Sensor Factor Value Setting Value 0.0000 ~ 5.9999 4
30 Total Point Batch control volume set Setting Value 00000~59999 4
31 Line CRC Ena Flow amend permission Select Permit/Prohibit 5
32 Lineary CRC1 Flow amend point 1 User Setting setting according to the velocity 5
33 Lineary Fact 1 Flow amend value 1 User Setting 0.0000~1.9999 5
34 Lineary CRC2 Flow amend point 2 User Setting setting according to the velocity 5
35 Lineary Fact 2 Flow amend value 2 User Setting 0.0000~1.9999 5
36 Lineary CRC3 Flow amend point 3 User Setting setting according to the velocity 5
37 Lineary Fact 3 Flow amend value 3 User Setting 0.0000~1.9999 5
38 Lineary CRC4 Flow amend point 4 User Setting setting according to the velocity 5
39 Lineary Fact4 Flow amend value 4 User Setting 0.0000~1.9999 5
40 FwdTotal Lo Forward Total Flow Low Level Revisable 00000 ~ 99999 5
41 FwdTotal Hi Forward Total Flow High Level Revisable 0000 ~ 9999 5
42 RevTotal Lo Reverse Total Flow Low Level Revisable 00000 ~ 99999 5
43 RevTotal Hi Reverse Total Flow High Level Revisable 0000 ~ 9999 5
44 PlsntLmtEna Peak Restriction Permission Select Permit/Prohibit 5
45 PlsntLmtVal Peak Restriction Factor Select 0.010 ~ 0.800 m/s 5
46 Plsnt Delay Peak Restriction Time Select 400 ~ 2500 ms 5
47 Pass Word 1 Password grade 1 Use Revisable 00000 ~ 99999 5
48 Pass Word 2 Password grade 2 Use Revisable 00000 ~ 99999 5
49 Pass Word 3 Password grade 3 Use Revisable 00000 ~ 99999 5
50 Pass Word 4 Password grade 4 Use Revisable 00000 ~ 99999 5
51 Analog Zero Current Zero Amendment Setting Value 0.0000 ~ 1.9999 5
52 Anlg Range Current Full Span Amendment Setting Value 0.0000 ~ 3.9999 5
53 Meter Fact Calibration Factor Setting Value 0.0000 ~ 5.9999 5
54 MeterCode 1 Instrument Code 1 Factory Setting Factory Year Month (0 ~ 99999) 6
55 MeterCode 2 Instrument Code 2 Factory Setting Product Serial No. (0~99999) 6

 

 

Workshop Assembly line
   workshop assembly line

 

Workshop Calibration line

 

Warehouse

warehouse

 

Filed application of HGD Electromagnetic Flow Meter

Drink water flow measurement                                                                                           Waste water flow measurement                                            Slurry flow measurement

field application

 

 

FAQ

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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