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 |
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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 ) |
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| 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
| 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 Calibration line
Warehouse
Filed application of HGD Electromagnetic Flow Meter
Drink water flow measurement Waste water flow measurement Slurry flow measurement
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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 )