Applications: Magnetic flowmeters operate under the principle of Faraday's Law of Electromagnetic Induction to measure liquid velocity. Following Faraday's Law, magnetic flowmeters measure the velocity of conductive liquids in pipes, such as water, acids, caustic, and slurries. In order of usage, magnetic flowmeter use in water/wastewater industry, chemical, food and beverage, power, pulp and paper, metals and mining, and pharmaceutical application.
|Electrode material||Stainless steel SUS316, Hastelloy C, Titanium,|
|Medium Temperature||Integral type: -10℃~120℃|
|Split type: -25℃~120℃|
|Electrical conductivity||Water 20μS/cm other medium 5μS/cm|
|Structure type||Tegral type, split type|
|Protection Class||IP65, IP68(optional)|
|Product Standard|| JB/T 9248-1999 Electormagnetic Flowmeter|
SUP-LDG electromagnetic flowmeter is applicable for all conductive liquids. Typical applications are monitoring accurate measurements in liquid, metering and custody transfer. Can display both instantaneous and cumulative flow, and supports analog output, communication output and relay control functions.
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Electromagnetic flowmeters have been used throughout industries for more than 60 years. These meters are applicable for all conductive liquids, such as:
Domestic water, industrial water, raw water, ground water, urban sewage, industrial wastewater, the processed neutral pulp, pulp slurry, etc
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SUP-LDG flowmeter following Faraday's Law, magnetic flowmeter can be adapted for sanitary uses. They have large line sizes available. No pressure drop induced. Dirty liquids and even slurries OK. On the other hand, magnetic flowmete cann't work on nonconductive fluids or the fluids conductive range less than 5μS/cm, such as oils deionized water and boiler feed water. Steam or gas flows don't register.
|How to choose the lining materials|
|Lining material||Main Performance||Applications|
1.The most steady material in plastics which is resistibal
to boiling hydrochloric acid,vitriolandqua fortis as well
as strong alkali and organic impregnates.2.Not be perfect in abrasion resistance.
|Strong corrosive mediums such as |
strong acid and alkali
|PFA||Having the same abrasion resistance with PTFE.|
Having strong ability of load pressure resistance.
|Applicable in state of load pressure|
|F46||1.Have the same abrasion resistance with PTFE.||1.The same as PTFE.|
in mediums of low abrasion.
|2.Resistable for low abrasion.|
|3.Having strong resistance to load pressure.|
|Neoprene||1.Be of good elasticity,retractility and abrasion resistance.||Water,sewage and slurry, |
mineral serosity of low abrasion.
2.Be resistant to low aicd,alkali and salt but not for
|Polyurethane||1.Be of good abrasion resistibility.||Applicable in mineral serosity,slurry and|
coal slurry of high abrasion.
|2.Not be perfect in acid/alkali resisitance.|
|3.Can't be used for water mixed with organic impregnants.|
|How to choose the electrode materials|
|Stainless steel SUS316||Applicable in water,sewage and corrosive mediums.Widely used in |
industries of petrol, chemistry,carbamide,etc
Stainless steel covered
with tungsten carbide
|Applicable in mediums of no corrosive and low abrasion.|
Having strong resistance to hydrochloric acid of any consistance
which is below bioling piont. Also resistable againstvitriol,phosphate,
hydrofluoricacid,organic acid etc which are oxidable
acid,alkali and non-oxidable salt.
Be resistant to oxidable acid such as nitric acid,mixed acid as well as
oxidable salt such as Fe+++,Cu++and sea water
Applicable in seawater,and kinds of chloride,hypochlorite salt,oxidable
acid(including fuming nitric acid),organic acid,alkali etc.Not resistant to
a pure reducing acid(such as sulphuric acid, hydrochloric acid)corrosion.
But if acid contains antioxidant(such as Fe3+,Cu2+)is greatly
In addition to hydrofluoric acid, fuming sulfuric acid, alkali remaining
outside chemicals, including boiling hydrochloric acid
Almost be applicable in all chemical mediums except for
aqua fortis,ammonium salt.
Selet pipe diameter
Electromagnetic Flow Meter form
|Q100% unit m3/h|
|DN[mm]||Minimum Flow||Common Flow||Maximum Flow|
When flowmeters are placed too close to pumps, valves, elbows and other obstructions, unstable or irregular flow can impact performance. Before selecting a meter, check the specific pipe run requirements from the meter to a stable flow profile.
Straight pipe length requirements
Installation whose valve is the downstream of sensor.
Installation whose valve is the upstream of sensor.
Recommended mounting position
Installation that the sensor is below the pipes.
Electromagnetic flowmeters cannot be installed on the suction side of the
pump to prevent the negative pressure produced by vacuum.
Installation that downstream of the sensor has the back pressure.
The connection which is easy to clean pipe.
Situation where the pipe needs to be cleaned and the fluid conduit
cannot stop, you must install a bypass pipe to be able to continue
running during cleaning system.
L，N: 220 V AC power supply
IOUT，ICOM: 4-20mA output connection
POUT，PCOM: Pulse/Frequency/Alarm output interface
485A，485B: 485 serial communication interface
CCOM： 485 serial communication ground
: Converter instrument grounding protection