4-20ma Output Digital Electromagnetic Flowmeter Transmitter Price With Rs485
Product Instructions
Working principle of electromagnetic flowmeter measurement principle is based on the Faraday law of electromagnetic induction. Measurements of the flow meter tube is lined with insulating material of a non-magnetic alloy spool. Two clicks along the diameter through-wall fixing on the measuring tube. The electrode head is flush with the lining inner surface. Field coil by waves when pulsed excitation by both parties, will be measured perpendicular to the pipe axis direction produces a magnetic flux density of the magnetic field b. At this point, if you have some electrical conductivity of fluid flows through the measuring tube, cut magnetic lines of induction electromotive force E. Electromotive force e is proportional to the magnetic flux density B, measure the inside diameter d and the product of the mean velocity v. Electromotive force e (traffic signal) checked out by electrodes and cables to the converter. Converter after the traffic signal will be amplified, to display fluid flow and energy output pulse, analog current signals for flow control and the flow adjustment.
In the industrial environment, electromagnetic flowmeters are primarily used in water management and in the processing, life sciences and food industries. In tunnel construction and mining, robust magmeters are often the only option for measuring highly abrasive ore slurries with entrained solids, sand-water mixtures, filler materials or bulk solids with the required accuracy.
Features
* The measuring principle is virtually independent of pressure, density, temperature and viscosity
* Even fluids with entrained solids can be metered, e.g. ore slurry or cellulose pulp
* Wide range of nominal diameters (DN 2 to 2400; 1/12 to 90")
* Free pipe cross-section: CIP/SIP cleanable, piggable
* No moving parts, maintenance-free
* Line sizes available from 1/2in (15mm) to 48in (1200mm) Call us for sizes above 24 inches
* Fully welded construction Withstands sustained vibration
* Dual-compartment transmitter housing keeps electronics isolated from moisture and contamination
* Continuous meter verification confirms meter calibration without interrupting the process
* Electrode coating diagnostic indicates when preventive maintenance is needed, avoiding unexpected downtime
* High process noise diagnostic provides accurate readings to reduce process variability
* Printed report verifies meter performance for regulatory agencies
Product Parameters
| Product Name | Electromagnetic Flowmeter |
| Repeatability error | +/-0.1% |
| Accuracy class | 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 rate range | 0.3~15m/s |
| Measured fluid conductivity | ≥5μs/cm liquid |
| Output | 4~20mA / 4~20mA + Hart |
| Electrode material | 316L, titanium (Ti), tantalum (Ta), Hastelloy (H), Platinum (Pt) or other special electrode materials |
| Working power supply | 85~265VAC / 24VDC / Battery |
| Straight pipe length | pipe: ≥ 5DN in the upper reaches, downstream of greater than or equal to 2DN |
| Connections | Flange |
| Protection grade | standard: IP65; IP68(optional) |
| Explosion-proof mark | mdllBT4 |
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