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Electromagnetic Digital Flow Meter

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Brand Name :	yunyi
Model Number :	LDG
Price :	$274/pcs
Payment Terms :	L/C, D/P, Western Union, T/T
Supply Ability :	15pcs/month
Delivery Time :	5-8days

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Electromagnetic Digital Flow Meter

4-20ma Variable Electromagnetic Flowmeter fule Digital Flow Meter

Description 4-20ma Variable Electromagnetic Flowmeter fule Digital Flow Meter

Intelligent electromagnetic flowmeter consists of two parts, the sensor and converter. It is based on the work of Faraday's law of electromagnetic induction, used to measure the conductivity is greater than 5μS / cm conductive liquid volumetric flow rate, is a measure of the volume flow of conductive medium for induction meter.

Parameter 4-20ma Variable Electromagnetic Flowmeter fule Digital Flow Meter

Nominal Diameter(mm) (Special specifications can be customized)	pipeline tetrafluoroethylene lining:DN10～DN2600
	Pipeline rubber lining:DN40～DN2600
Flow direction:	positive and negative, the net flow
Turndown ratio:	1500:1
Repeatability error:	± 0.1% of measured value
Accuracy:	Pipeline:0.5,1.0
Measured medium temperature:	ordinary rubber lining::－20～＋60℃
	High-temperature rubber lining: －20～＋90℃
	PTFE lining:－30～＋120℃
	High temperature tetrafluoroethylene lining:::－20～＋180℃
Rated working pressure: (High voltage can be customized)	DN6－DN80:≤2.5MPa
	DN100－DN250:≤1.6MPa
	DN300－DN2600:≤1.0MPa
Flow rate range:	0.1－15m/s
Conductivity range:	the measured fluid conductivity≥5μs/cm
Current output:	load resistance	0～10mA:0～1.5kΩ
		4～20mA:0～750 kΩ
Digital frequency output:	transistor output frequency limit can be set with optical isolation within 1 ~ 5000HZ bidirectional open-collector output. External power supply is turned ≤35V maximum collector current of 250mA
Power supply:	AC220Vor DC24V
Length of straight pipe requirements	upstream≥5DN,downstream≥2DN

Explosion levels	mdIIBT4
Protection class:	IP65,special order up to IP68
Ambient temperature:	－25～＋60℃
Relative humidity:	5%～95%
Total power consumption:	less than 20W

Select the lining material 4-20ma Variable Electromagnetic Flowmeter fule Digital Flow Meter

Should be based on the measured medium temperature corrosive wear and to select the lining material

Lining material	corrosion resistance	Working temperature	Application
Ne	General resistance to low concentrations of acid salt corrosion	-20～70℃	lower industrial water effluent pH and salt concentration
PO	Has an excellent wear resistance, abrasion resistance slurry dedicated to strong, not decay	-10～60℃	Liquids containing solid particles (slurry pulp, etc.)
FEP	1 corrosion resistant and quite PTFE 2 high mechanical strength, good wear resistance 3 table smooth, easy adhesion precipitate 4 have strong abrasive media fluid good resistance to outside negative, anti-vacuum effect	-40～180℃	except mortar. Like with PTFE can be used for drinks and other health requirements of the media
PTFE	lmost all of the corrosion resistant chemical media, poor wear resistance	-40～180℃	Not be used for pipes and wear strong negative fluid

Selective Electrode Materials

Should be based on the measured fluid corrosive to select material of the electrodes, check the manual for special fluids should be corrosion test

Material

Code

corrosion resistance

316Lstainless steel

1 applies to a neutral solution of industrial, domestic water, raw water wells, urban sewage
2 weak corrosive acids, bases, salts medium such as carbonic acid, acetic acid, etc.

Hastelloy C

1 applies to anti-oxidizing acids, such as a mixture of nitric acid, mixed acid, chromic acid and sulfuric acid

2 oxidation resistance salt or other corrosive environments, such as the oxidant Fe, Cu
3 Sea water, alkali solution, the oxide solution has excellent corrosion resistance

4 NA: hydrochloric acid

Hastelloy B

1 for the non-oxidizing acids, bases, salts such as sulfuric acid, phosphoric acid, hydrofluoric acid has good corrosion
2 NA: nitrate

Titanium

seawater resistant, various chlorides suddenly hypochlorite and a variety of corrosion hydroxide

except hydrofluoric acid, almost all corrosive chemical media capability. But expensive

Platinum

salt solution applicable to all of the acid (fuming sulfuric acid and nitric acid)

Tungsten

has excellent wear resistance, dedicated to the mud, pulp and other abrasive media

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