LDBE-200S-M1X100-200 Electromagnetic Flow Meter-Fornitore globale

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LDBE-200S-M1X100-200 Electromagnetic Flow Meter

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LDBE-200S-M1X100-200 Electromagnetic Flow Meter

Main technical data:
Technical data of the whole machine and sensors

Nominal Diameter	15. 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, 1200, 1400, 1600, 1800, 2000, 2200, 2400, 2600, 2800, 3000
velocity of flow	15m／s
accuracy	DNl5～DN600	Indication: ± 0.3% (flow rate ≥ 1m/s); ± 3mm/s (flow rate<1m/s)
	DN700—DN3000	± 0.5% of the indicated value (flow rate ≥ 0.8m/S); ± 4mm/s (flow rate<0.8m/S)
Fluid conductivity	≥5uS／cm
nominal pressure	4.0MPa	1.6MPa	1.0MPa	0.6MPa	6.3、10MPa
	DNl5～DN150	DNl5～DN600	DN200～DN1000	DN700～DN3000	Special Orders
ambient temperature	sensor	-25 ℃ -+60 ℃
	Converter and integrated model	-10 ℃ -+60 ℃
Lining material	Polytetrafluoroethylene, chloroprene rubber, polyurethane, perfluoroalkoxy (F46)
Fluid temperature	- Body type	70℃
	separated	Polychloroprene rubber lining	80℃； 120 ℃ (specify when ordering)
		Polyurethane lining	80℃
		PTFE lining	100℃； 150 ℃ (specify when ordering)
		Perfluoroethylene propylene (F46)

Signal electrode and ground electrode materials	Stainless steel 0Crl8Nil2M02Ti, Hastelloy C, Hastelloy B, titanium, tantalum, platinum/iridium alloy, stainless steel coated with tungsten carbide
Electrode scraper mechanism	DN300—DN3000
Connecting flange material	carbon steel
Grounding flange material	Stainless steel 1Cr18Ni9Ti
Imported protective flange materials	DN65—DNl50		Stainless steel 1Cr18Ni9Ti
	DN200～DNl600		Carbon steel and stainless steel 1Cr18Ni9Ti
Shell protection	DNl5~DN3000 separable rubber or polyurethane lined sensor			IP65 or IP68
	Other sensors, body type flow meters, and separate converters			IP65
Distance (separated type)	The distance between the converter and the sensor is generally not more than 100m

Converter technology data

power supply

exchange

85—265V，45—400Hz

direct-current

11—40V

Operation keys and display

Touch-tone

Four thin film buttons can be used to set and select all parameters, and the converter can also be programmed using a PC (RS232);

3-line LCD with wide viewing angle, wide temperature, and backlit display;

The first line displays the traffic value;

The second line displays the flow unit;

The third line displays the percentage of traffic, total forward, total reverse, total difference, alarm, and flow rate.

Magnetic key type

Two magnetic keys are used for selecting and resetting display parameters, and the converter is programmed using a PC (RS232);

2-line LCD with wide viewing angle, wide temperature, and backlit display:

Line 1: Magnetic key selection: Display flow percentage, forward total amount, reverse total amount, difference total amount, alarm, flow rate.

Line 2: Display traffic.

Internal integrator

Positive total, negative total, and differential total.

output signal

Unidirectional analog output

Fully isolated, load ≤ 600D. (at 20mA);

Upper limit: 0-21mA optional, 1mA per level;

Lower limit: 0-21mA optional, 1mA per level;

Programming for forward and reverse flow output modes.

Bidirectional analog output

The lower limit is. Or 4mA, other same unidirectional analog outputs.

Bidirectional pulse output

Two outputs correspond to forward and reverse flow rates, with a frequency range of 0-800Hz and an upper limit of 1-800Hz to choose from. Each IHz level is available;

Square wave or selected pulse width, with an upper limit of 2.5S and 1ms per level;

Passive isolation transistor switch output, capable of absorbing 250mA current and withstanding 35V voltage.

Dual channel alarm output

Programmable alarm for high/low flow rate, air traffic control, fault status, positive/negative flow rate, analog over range, pulse over range, pulse small signal cutoff, with optional output polarity;

Transistor switch output with isolation protection, capable of absorbing 250mA current and withstanding 35V voltage (not isolated from pulse output)

digital communication

RS232，RS485，HART

Selection of lining

Lining material	Performance	medium temperature		scope of application
Lining material	Performance	- Body type	separated
Polytetrafluoroethylene (F4)	It is a chemically stable plastic that can withstand boiling hydrochloric acid, sulfuric acid, nitric acid, and aqua regia, as well as concentrated alkali and various organic solvents. Not resistant to corrosion from chlorine trifluoride, high-temperature chlorine trifluoride, high flow rate liquid fluorine, liquid oxygen, and auto oxygen.	70℃	100 ℃ 150 ℃ (special order required)	1. Strong corrosive media such as concentrated acid and alkali. 2. Sanitary media.
Perfluoroethylene propylene (F46)	Same as F4, its wear resistance and negative pressure resistance are higher than F4.		ditto
Polyfluoroethylene (Fs)	The upper limit of applicable temperature is lower than that of polytetrafluoroethylene, but the cost is also lower.		80℃
neoprene	1. Has excellent elasticity, high tensile strength, and good wear resistance. 2. Resistant to corrosion in general low concentration acid, alkali, and salt media, but not resistant to corrosion in oxidizing media.		80 ℃ 120 ℃ (special order required)	Water, sewage, and weakly abrasive slurry.
polyurethane	1. Extremely strong wear resistance. 2. Poor corrosion resistance.		80℃	Neutral strong abrasion slurry, coal slurry, mud

Selection of electrodes

Electrode material	Corrosion resistance and wear resistance
Stainless steel 0Crl8Nil2M02Ti	Used for weakly corrosive media such as industrial water, domestic water, sewage, etc., suitable for industrial sectors such as petroleum, chemical, steel, as well as municipal and environmental protection fields.
Hastelloy B	It has good corrosion resistance to all concentrations of hydrochloric acid below boiling point, as well as to non chlorinated acids, bases, and non oxidizing salt solutions such as sulfuric acid, phosphoric acid, and organic acids.
Hastelloy C	Can withstand corrosion from non oxidizing acids such as nitric acid, mixed acids, or mixed media of chromic acid and sulfuric acid, as well as corrosion from oxidizing salts such as Fe, Cu, or other oxidants such as hypochlorite solutions above room temperature and seawater
titanium	Capable of withstanding corrosion from seawater, various chlorides and hypochlorites, oxidizing acids (including fuming sulfuric acid), organic acids, and alkalis. Not resistant to the corrosion of relatively pure reducing acids (such as sulfuric acid, hydrochloric acid), but if the acid contains oxidants (such as nitric acid, Fc++, Cu++), the corrosion is greatly reduced.
tantalum	It has excellent corrosion resistance and is very similar to glass. Except for fuming sulfuric acid and alkali, it can almost withstand corrosion from cutting chemical media (including boiling point hydrochloric acid, nitric acid, and sulfuric acid below 50 ℃). Dig in alkali; Corrosion resistance.
Platinum/titanium alloy	Almost capable of cutting chemical media, but not suitable for aqua regia and ammonium salts.
Stainless steel coated with tungsten carbide	Used for non corrosive and highly abrasive media.
Note: Due to the wide variety of media and the complex factors such as temperature, concentration, and flow rate that affect their corrosiveness, this table is for reference only. Users should make their own choices based on the actual situation, and if necessary, conduct corrosion resistance tests on the selected materials, such as hanging plate tests.

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