4-20mA Integrated Magnetic Flow Meter With HART 0.3~15m/S Flow Measurement Range
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Basic Infomation
Place of Origin: Sichuan, China (Mainland)
Brand Name: Vacorda
Certification: CE/TUV/ISO9001/SGS
Model Number: HKLD Electromagnetic Flowmeter
High Light:

electromagnetic type flow meter


electromagnetic flow sensor

Payment & Shipping Terms
Packaging Details: Wooden box.
Supply Ability: 100 Piece/Pieces per Week
Product Name: 4-20mA Integrated Magnetic Flow Meter With HART , 0.3~15m/S Flow Measurement Range
Warranty: 18 Months For Electromagnetic Flowmeter
Delivery: Express, Ship, Air For Electromagnetic Flowmeter
Application: Electromagnetic Flowmeter
Material: 304,316 L,1Cr18Ni9Ti, 0Cr18Ni9, 00Cr17Ni14Mo2,321, Titanium
Connection: Electromagnetic Flowmeter Flange
Lifetime: 5-10 Years For Electromagnetic Flowmeter
Flow Measurement Range: 0.3~15m/s
Range Ratio: 150:1
Working Power Supply: 85~265VAC 45~63HZ
Port: Shanghai/Shenzhen
Product Description

Industry 4-20 ma  integrated magnetic flow meter facory with HART

4-20mA Integrated Magnetic Flow Meter With HART 0.3~15m/S Flow Measurement Range 0

Product Description

HKLD intelligent electromagnetic flowmeter is a kind of fully intelligent electromagnetic flowmeter developed by our company with advanced technology at home and abroad. Its Chinese electromagnetic converter core uses high-speed central processing unit. The calculation speed is very fast, the accuracy is high, and the measurement performance is reliable. The circuit design of the converter adopts international advanced technology, the input impedance is up to 10 ohms, the CMRR is better than 100db, and the rejection ability for external interference and 60Hz/50Hz interference is better than 90db. It can measure the flow rate of fluid medium with lower conductivity.



1. No moving and blocked flow parts in the pipeline, almost no additional pressure loss in the measurement.

2. Measurements results are independent of physical parameters, such as flow distribution, fluid pressure, temperature, density and viscosity.

3. On-site modification of the measuring range available.

4. LCD display, easy to use and simple to operate.

5. Using SMD devices and SMT technology.

6. Using 16-bit embedded processors with fast speed and high accuracy, enhancing the stability of measurement.

7. Anti-interference, reliability, measurement range up to 150:1.

8. Ultra low EMI switch, wide range of power supply voltage.

9. RS485, RS232, Hart and Modbus digital communication signal output.

10. Self-checking function.



Due to its unique advantages, it is widely used in the fields of petroleum, chemical industry, steel, light industry, sewage processing, environmental protection, water conservancy project and pharmacy to measure the volume flow of the conducted liquid mediums, such as acid, alkali, salt solution and so on.


Technical parameters

PTFE Lined Pipe

10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600

Rubber Lined Pipe

40, 50, 65, 80, 100, 125, 150, 200, 300, 350, 400, 500, 600, 800, 1000, 1200, note: special specifications can be customized

Flow direction

positive and negative, net flows Turndown

Measuring range ratio


Repeatability error



piped: 0.5 class, 1.0 class

Measured medium temperature

Common rubber lining: -20~+60 ° c

High temperature rubber lining: -20~+90 ° c

PTFE lining: -30~+100 ° c

High temperature vinyl lining: -30~+180 ° c

Rated working pressure

pipeline: DN10~DN65: ≤ 2.5MPa;DN80~DN150: ≤ 1.6MPa;

DN200~DN1200: ≤ 1.0MPa

Flow measuring range

flow measuring range corresponding to flow rate range is 0.3~15m/s

Measured fluid conductivity

5μs/cm (Most with water as the composition of the medium, its conductivity in the range 200~800 Mu s/cm, optional solenoid flow)


Current:4~20mADC (isolation), pulse frequency 0~1kHz, OCT photoelectric isolation, external power ≤ 35VDC, breakover, collector Max 25mA

Load resistance

< 600 Ω

Electrode material

316L, titanium (Ti), tantalum (Ta), Hastelloy, (h), Platinum (Pt) or other special electrode materials

Protection grade

standard: IP65; IP68

Working power supply

85~265VAC 45~63HZ

Straight pipe length

pipe: ≥ 5DN in the upper reaches, downstream of greater than or equal to 2DN


flow meter connected to the piping is used between flanges, flange connection dimensions comply with GB9119-88 requirements.

Explosion-proof mark


environment temperature

-25 ° c ~=60 ° c

Relative humidity


Total power consumption


4-20mA Integrated Magnetic Flow Meter With HART 0.3~15m/S Flow Measurement Range 14-20mA Integrated Magnetic Flow Meter With HART 0.3~15m/S Flow Measurement Range 24-20mA Integrated Magnetic Flow Meter With HART 0.3~15m/S Flow Measurement Range 3

1. Try to avoid ferromagnetic objects and equipment with strong electromagnetic fields, so as to avoid the magnetic field affecting the working magnetic field of the sensor and the flow signal.
2. should be installed in a dry and ventilated place, to avoid sun and rain, the ambient temperature should be -20 ~ +60 ° C, relative humidity is less than 85%.
3. There should be plenty of space around the flowmeter for easy installation and maintenance.


Installation requirements
The measurement principle of the electromagnetic flowmeter is that it does not depend on the flow characteristics. If there is a certain turbulence and vortex inside the pipeline, it will be generated in the non-measurement zone (such as elbow, tangential current limit or half-opening shut-off valve upstream). Measurement is irrelevant. If steady-state eddy currents in the measurement zone affect the stability of the measurement and the accuracy of the measurement, then some measures should be taken to stabilize the flow rate distribution:
A. Increase the length of the straight pipe before and after.
B. Using a flow stabilizer.
C. Reduce a section of the measuring point.

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