Electromagnetic flowmeter

10 month ago

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Jiangsu Meiante Technology Co., Ltd

 13 month year

Product details

Product Overview

Nominal diameter series DN(mm)

DN10-3200, plug-in type ≥DN200

Note: Special formats can be customized

Electromagnetic flowmeter is a new type of electromagnetic flow measurement instrument designed based on Faraday's electromagnetic induction theory. It mainly consists of three parts: sensor, converter and display instrument. It can be used to measure the volume flow of conductive fluid in a closed pipeline.
Working Principle

When the conductive fluid flows in a pipeline with an external magnetic field, it will cut the magnetic lines of force and output an induced voltage on the detection electrode of the sensor. After the voltage signal is received by the converter, it is amplified, corrected, converted, and displayed on the display instrument. The flow of the conductive liquid can be calculated by the measured voltage signal.

Flow direction	forward, reverse, net flow
Repeatability error	±0.1% of measured value
Accuracy	Pipeline type: 0.2 level 0.5 level 1.0 level
Accuracy	Insertion type: 2.5 level
Temperature of the measured medium	Rubber lining: -20℃~80℃
	PTFE lining: -30℃~150℃

Ordering instructions when the medium temperature is greater than 80℃

Rated working pressure

Ordinary type	DN10-DN50: S4.0MPa
	DN65-DN400: ≤1.6MPa
	DN400-DN600: ≤1.6MPa
	DN600 and above: ≤1.0MPa
Plug-in type	≥DN200：0.25MPa-4MPa

Special pressure specifications when ordering

Flow measurement range	The flow measurement range corresponds to a speed range of 0.3~10m/s
Pipeline type	0.3~10m/s
Plug-in type	0.3~10m/s
Relative humidity	5%~95%RH
Environmental temperature	Sensor 40℃~80℃
	Converter -25℃~60℃
	Plug-in type -25℃~60%C
Communication interface	RS232 RS485 HART
Conductivity range	Conductivity of the measured fluid is 25ps/cm. Most water-based media have a conductivity range of 200~800us/cm, and electromagnetic flowmeters can be used
Output current and load resistance	4~20mA fully isolated load resistance <7500
Pulse frequency	0~5KHz (load resistance ≥3000) photoelectric isolation OCT external power supply ≤35V
Electrode material	platinum-containing stainless steel, titanium, tantalum, Hastelloy platinum or other special electrode materials
Power supply	AC220V50Hz, DC24V
Protection level	submersible type IP68 other types IP67
Straight pipe length	pipeline upstream 210DN downstream ≥5DN
Connection method	pipeline GB9119-2000 standard flange plug-in threaded connection ball valve specification DN50
Explosion-proof mark	Ex db ib mb ⅡCT6 Gb;Ex tb ШC T80'C Db

Product Classification
According to the composition structure: the sensor and converter of the separated electromagnetic flowmeter are placed separately. The converter can avoid the influence of harsh environment, but the anti-electromagnetic interference ability is weak; the integrated type integrates the sensor and converter into an integrated design, which is easy to wire and low cost, but is easily restricted by the pipeline layout and inconvenient to maintain.

According to the excitation method: there are DC excitation type, AC power frequency excitation type, low-frequency rectangular wave excitation type and dual-frequency excitation type. Among them, the low-frequency rectangular wave excitation type is widely used, and the dual-frequency excitation type has excellent stability.

According to the purpose: there are general type, explosion-proof type, sanitary type, anti-immersion type, submersible type and insertion type, etc., which can meet the special needs of different industries.

Meiante Technology Co., Ltd. mainly deals in various measuring instruments, including Level Instrument, Flow Meters, Pressure Instruments, Temperature Instrument and Calibration Instrument, etc.

If you have any needs, please contact us.

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Jiangsu Meiante Technology Co., Ltd

 Audited supplier

13 month

Address: Huaian, China

Main Product: Pressure transmitter, Liquid level meter, Temperature transmitter, Flowmeter, valve, Wire and cable

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