Caudalímetro electromagnético HGD ( Nuevo modelo: SY-LDY )
Caudalímetro electromagnético HGD 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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Descripción del producto
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 |
| Precisión | 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) |
| Temperatura de funcionamiento | 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 |
| A prueba de explosiones | 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 | Descripción | 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 | Descripción | 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:
| Artículo | Parameter words | Function description | Setting way | Gama | 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
Electromagnetic Flow Meter–An Ultimate FAQ Guide:
1. What is an Electromagnetic Flow Meter?
An Electromagnetic Flow Meter (EMF) is a type of flow meter that measures the velocity of conductive fluids through a pipe by using a magnetic field.
2. How does an Electromagnetic Flow Meter work?
An Electromagnetic Flow Meter works by applying a magnetic field perpendicular to the direction of fluid flow. As the conductive fluid passes through the magnetic field, a voltage is generated which is proportional to the flow velocity.
3. What types of fluids can an Electromagnetic Flow Meter measure?
Electromagnetic Flow Meters can measure the flow rate of conductive fluids, such as water, chemicals, sewage, and slurries.
4. Is an Electromagnetic Flow Meter accurate?
Yes, Electromagnetic Flow Meters are highly accurate and can achieve a measurement accuracy of +/- 0.5%.
5. What is the measuring range of an Electromagnetic Flow Meter?
The measuring range of an Electromagnetic Flow Meter varies depending on the size and type of the meter, but it can range from 0.01 m/s to 10 m/s.
6. Can an Electromagnetic Flow Meter be used for both liquid and gas flow measurement?
No, Electromagnetic Flow Meters can only be used for measuring the flow of conductive liquids.
7. Can an Electromagnetic Flow Meter be installed in any orientation?
No, Electromagnetic Flow Meters must be installed horizontally with the flow direction being a straight line to achieve accurate measurements.
8. Do Electromagnetic Flow Meters require regular calibration?
Yes, it is recommended to calibrate an Electromagnetic Flow Meter annually to ensure accuracy.
9. Can an Electromagnetic Flow Meter withstand high temperatures and pressures?
Yes, most Electromagnetic Flow Meters can operate at temperatures up to 200°C and pressures up to 16 bar.
10. What is the lifespan of an Electromagnetic Flow Meter?
The lifespan of an Electromagnetic Flow Meter can vary depending on usage and maintenance, but they can typically last for more than 10 years.
11. Are there any special installation requirements for an Electromagnetic Flow Meter?
Yes, it is important to have a straight pipe section both upstream and downstream of the Flow Meter to ensure accurate readings.
12. Can an Electromagnetic Flow Meter be used for measuring pulsating flow?
Yes, some Electromagnetic Flow Meters have the capability to measure pulsating flow, but it is important to check the specifications of the meter.
13. What are the advantages of an Electromagnetic Flow Meter compared to other flow meters?
Some advantages of an Electromagnetic Flow Meter include its accuracy, non-intrusive installation, and low maintenance requirements.
14. Is it possible to have multiple outputs with an Electromagnetic Flow Meter?
Yes, most Electromagnetic Flow Meters have the capability to provide multiple outputs, including 4-20 mA, 0-10 V, and digital communication options.
15. Can an Electromagnetic Flow Meter be used in hazardous environments?
Yes, there are options for explosion-proof and intrinsically safe Electromagnetic Flow Meters that can be used in hazardous environments. However, it is important to check the specifications and certifications of the meter.
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