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Liquid Flow Meter

Flanged Magmeter

Flanged Magmeter

The TEM Electromagnetic flowmeter is composed of the sensor and convertor, and the sensor consists of measuring tube, electrodes, excitation coils, iron core and shell and other components. After the traffic signal is amplified, processed and operated by convertor, you can see the instantaneous flow, cumulative flow, output pulse, analog current and other signals for the measurement and control of fluid flow. TEM series electromagnetic flowmeter adopts the smart converter so that it not only has the measurement, display and other functions, but also supports the remote data transmission, wireless remote control, alarm and other functions.
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The TEM Electromagnetic flowmeter is composed of the sensor and convertor, and the sensor consists of measuring tube, electrodes, excitation coils, iron core and shell and other components. After the traffic signal is amplified, processed and operated by convertor, you can see the instantaneous flow, cumulative flow, output pulse, analog current and other signals for the measurement and control of fluid flow. TEM series electromagnetic flowmeter adopts the smart converter so that it not only has the measurement, display and other functions, but also supports the remote data transmission, wireless remote control, alarm and other functions.

magnetic flow meter.jpg

Functional characteristics

Excellent measurement repeatability and linearity

Good reliability and anti-interference performance

Good pressure resistance sealing ability

Low pressure loss measurement tube

High intelligentization

Maintenance-free


Working principle

The working principle of electromagnetic flowmeter is based on Faraday's law of electromagnetic induction. The two electromagnetic coils of upper and lower ends in the right figure generate a constant or alternating magnetic field, and the induced electromotive force can be detected by the space of flowmeter wall between two electrodes on the left and right when the conductive medium flows through the electromagnetic flowmeter. The induced electromotive force is proportional to the conductive medium velocity, the magnetic flux density of the magnetic field and the conductor width (flowmeter tube diameter), then the medium flow can be achieved through operation.

The induced electromotive force process parameters equation:

E= K B V D

Where: E—induced electromotive force; D—measuring tube diameter;

B—magnetic induction intensity; V— average velocity;

K—it is a coefficient that relates to the field distribution and axial length;

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Executive standard

JB-/T 9248-1999

Nominal diameter

15-2000mm

velocity range

0-10m/s

Degree of accuracy

±0.5%R, ±1%R ( < DN20)

Medium conductivity

≥5µS/cm, Actual conductivity≥30µS/cm

 

Nominal pressure

1.0MPa

  1.6MPa 

2.5MPa  

4.0MPa

DN15-DN800

 DN15-DN800

DN15-DN600

DN15-DN50

Environment temperature

Sensor

0- +80 or -25- +120 or +70- +250

Incorporate type

-10- +55

Highest medium temperature

 

 

 

Separate body-type

CR chloroprene rubber liner (CR)

+80

Polytetrafluoroethylene lining (F4)

+120

Polite lining (F46)

+120

Teflon (PFA)

+180

Fluorosilicone rubber (FVMQ)

+250

Output signal

4-20mA, Pulse/Frequency 2kHz(Default),   5KHz(Max)

Cable entry size

M20*1.5 (Standard nylon waterproof   connector, optional explosion-proof metal connector)

Supply voltage

110/220VAC (100-240VAC), 50Hz/60Hz; 24VDC±10%

Power dissipation

15VA

Digital communication

RS-485, support standard Mudbugs-RTU   protocol; GPRS

Signal electrode and the ground electrode   material

Stainless steel 316L, Hastelloy C,   Hastelloy B, titanium, tantalum, platinum

Form of electric pole

Interpolating, extrapolating electrode need   to customize

Number of electrodes

Standard configuration 3-4 electrodes(two   measuring electrodes plus a grounding electrode),according to the caliber   configuration

Flange standard

Conform to the international   GB9119(customize according to customer’s demand)

Connecting flange material

Standard carbon steel and stainless steel   are needed to be customized

Grounding ring material

Stainless steel, and stainless steel that   contains molybdenum, etc.

DN12-DN450

Stainless steel 1 Cr18Ni9Ti(Ordinary   austenitic stainless steel SUS321)

Housing material

Standard carbon steel and stainless steel   are needed to be customized

 

Level of protection

Separate body-type

IP68, IP65

Incorporate type

IP65

Interval/wire length (separate body-style)

10m standard configuration connecting line,   optional 15m, 20m, 25m, 30m



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