Electromagnetic Flowmeter
Category:
MSF8000⑧series electromagnetic flowmeter is composed of sensor and converter,which is used to measure the volume flow of conductive liquid with conductivity≥2.5uS/cm.It is an induction instrument for measuring the volume flow of conductive medium and is widely used for flow measurement in the industrial and municipal management departments such as petroleum,chemical industry,gold,textile,paper-making, environmental protection and food,and the fields such as water conservancy construction,and river dredging.
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MSF8000⑧series electromagnetic flowmeter is composed of sensor and converter,which is used to measure the volume flow of conductive liquid with conductivity≥2.5uS/cm.It is an induction instrument for measuring the volume flow of conductive medium and is widely used for flow measurement in the industrial and municipal management departments such as petroleum,chemical industry,gold,textile,paper-making, environmental protection and food,and the fields such as water conservancy construction,and river dredging.Instrument
Features
◆ The measurement is not affected by the change of fluid density,viscosity,temperature,pressure and conductivity.
◆There are no flow blocking components inside the measuring tube of the pipeline electromagnetic flowmeter.No pressure loss and low straight pipe section requirements.and is self-adaptive when measuring slurry.
◆Reasonable selection of electrodes and lining materials,that is,the materials with good corrosion and wear resistance properties.
◆ All digital processing,strong anti-interference ability, reliable measurement,high precision and wide flow measurement range.
◆Ultralow-EMI power supply,which boasts a wide range of voltage and good anti-EMI performance.
◆With ARM Cortex -M332-bit processor and 24-bit ADC data acquisition system,this product has fast operation speed,high precision,low-frequency rectangular wave excitation and programmable excitation frequency(so flow measurement is stable)and low power consumption.
◆With SMD devices and surface mounting(SMT) technology,the circuit is highly reliable.
◆ The measuring range can be modified online according to the actual needs of the user.
◆ High-definition backlight LED display,Chinese and English menus,easy to operate,easy to learn and understand.
◆RS485,RS232,HART and MODBUS digital communication signal output(optional).
◆Self-test and self-diagnosis function.
◆Hourly total recording function,record the total flow volume in hour,applicable to time-sharing metering system (optional).
◆ There are three internal calculators to display the forward accumulation, reverse accumulation and difference accumulation,and the internal power-down clock is equipped to record 16 power-down times(optional)
◆Infrared handheld actuator,115KHZ communication rate,remote non-contact operation of all functions of the converter(optional).
Working Principle
The electromagnetic flowmeter functions based on Faraday law of electromagnetic induction,which states that a conductor moving in a magnetic field will generate induced voltage.Liquid can be regarded as conductor,and the magnetic field is generated by the energized coil outside the flow pipe.The induced voltage amplitude is directly proportional to the velocity of motion of the conductor and the type of conductor,the diameter of the pipe,and the strength of the magnetic field,which is given by:
E=B-V-D-K
E-Induced potential;
B-Magnetic induction intensity;
V-Velocity of movement of the conducting fluid;
D-Electrode spacing;(measure the tube diameter)
K-Coefficient related to magnetic field distribution and axiallength (instrument coefficient);
B,D,and K can either be fixed or calibrated,so that the equation is simplified as EoV.
The sensor transmits the induced potential E as a flow signal to the converter.Upon signal processing such as amplification,transformation,and filtering,the instantaneous flow and accumulated flow are displayed by a dot-matrix LCD with backlight.The converter has 4-20mA output,alarm output and frequency output,and is equipped with RS485 and other communication interfaces,with HART and MODBUS protocols supported.
Product Type
Technical Data
Power Supply
AC:AC220V;Applicable voltage range:AC187V-250V,50Hz
Accuracy Grade
±1%FS
DC:DC24V;Applicable voltage range:DC16V-DC36V
Instrument Caliber
DN2~DN600
Power:<20W
Range of Flow Velocity
0.1~10m/s
Signal Output
4-20mA(load:0-5002),Basic eror:0.1%±10uA
Dielectric Conductivity
≥2.5uS/cm
Digital Pulse
Output
Output pulse range:0-100pulses/s,output pulse equivalent:0.001-1.000m³p
Medium
Temperature
-40℃-+150℃
Pulse width can be set by software,the output electricalisolation mode is optoelectronie isolation,isolation voltage:>1000VDC
Ambient
Temperature
-25℃~+55℃
DigitalFrequency
Output
Range:1-5000Hz,the output electrical solation mode is photoelectrie isolation,isolation voltage:>1000VDC
Relative Humidity
5%~95%
Communication
Output
MODBUS protocol,HARTprotocol
Lining Material
Lining Material
TITLE
Chemical Resistance
brasion Resistance
Max.Operating Temperature
Applicable caliber
Fluoroplastics
PTFE
Stable chemical properties,resistant to boiling hydrochloric acid, sulfuric acid,aqua regia,and concentrated alkali corrosion
Very good
<150℃
DN10~2000
ETFE
Chemicalproperties equivalent to PTFE,
compressive and compressive
strength superior to PTFE
Medium
<120℃
DN20-3000
PEEK
Chemical properties equivalent to ETFE,
compressive and compressive strength superior to ETFE
Very good
<150℃
DN2-100
Electrode Material
Electrode Material
Application Range
Stainless Steel316L
1.Domestic water,industrial water,raw water,well water,municipal wastewater;2.Weakly corrosive acid,alkali and salt solution
HastelloyB(HB)
1.Hydrochloric acid(the concentration is<10%)Non-oxidizing acid
2.Sodium hydroxide(the concentration is<50%),Ammonium hydroxide base solution ofall concentrations
3.Phosphoricacid and organic acid;N/A:Carbamide
Hastelloy C(HC)
1.Mixed acid and mixed solution of weak acid with sulfuric acid
2.Oxidative salts such as FE+++,CU++,seawater;3.Phosphoric acid,organc acid
NA:Hydrochloric acid
Titanium(Ti)
1.Sats,such as(1)Chloride (chloride/magnesium/aluminum/calcium/ransfer/iron)(2)Sodium salt,otasium salt,ammonium salt,hypoaluminate,seawater
2.Zinc hydroxide,ammonium hydroxide,and barium hydroxide salt with concentration less than 50% N/A:Reducing acid such as hydrochloric acid,sulfuric acid,phosphoric acid,and hydrofluoric acid
Tantalum(Ta)
1.Hydrochloric acid(the concentration is<40%),dilute and concentrated sulphuric acid(excluding fuming sulphuric acid)
2.Chlorine dioxide,feric chloide,hypochlorous acid,potassium hydride,and acetic acid
3.Oxidizing acids such as nitric acid(including fuming nitric acid),Aqua regia at a temperature below80°℃ N/A:Alkali,hydrofluoric acid
Platinum(Pt)
Almostallacids,bases,and salt solutions(including fuming sulfurice acid,fuming nitrie acid)N/A:Aqua regia,ammonium salt
Installing Dimension
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Application industry
Environmental Protection Industry
We have developed and launched a series of water quality analyzers, flow meters, liquid level gauges, and gas detectors for applications in municipal drinking water, municipal sewage, industrial wastewater, spa pool disinfection, space disinfection, chemical plant gas leak emission detection, and other fields.
Energy
We have developed and launched a series of water quality analyzers, flow meters, liquid level gauges, and gas detectors for applications in municipal drinking water, municipal sewage, industrial wastewater, spa pool disinfection, space disinfection, chemical plant gas leak emission detection, and other fields.
Food Manufacture & Processing
We have developed and launched a series of water quality analyzers, flow meters, liquid level gauges, and gas detectors for applications in municipal drinking water, municipal sewage, industrial wastewater, spa pool disinfection, space disinfection, chemical plant gas leak emission detection, and other fields.
Chemical Engineering
We have developed and launched a series of water quality analyzers, flow meters, liquid level gauges, and gas detectors for applications in municipal drinking water, municipal sewage, industrial wastewater, spa pool disinfection, space disinfection, chemical plant gas leak emission detection, and other fields.
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