4800 Electromagnetic Flowmeter
Electromagnetic Flow meter does not have any moving parts, ideal for wastewater applications or any dirty liquids which is conductive or water based, or for applications where low-pressure drop and low maintenance are required. It applies to measure (is fit for the measurement of ) the volume flow of conductive medium including the acid, alkali, salt solution, slurry, pulp, paper pulp, waste water.
Application :
● Water supply systems
● Sewage treatment
● Metallurgy
● Chemical
● Dyeing industry
● Food and beverage
● Papermaking
● Pharmaceutical
Advantages
01It is the volume flow of liquid and solid two-phase fluid (It is used to measure the conductivity which is greater than 5μs/cm of closed pipeline that and the volume flow of fluid and solid two-phase fluid flow rate.
02And it is not affected by the temperature of the liquid, viscosity, density, pressure, liquid-solid composition, conductivity of liquid. It has high accuracy and stable working ability.
03It can be used to measure the fluid medium of other conductive liquid or liquid-solid two-phase flow after the calibration just ordinary water without any additional calibration.
Resources
Technical Data
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Item |
Technical parameter |
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Main power |
AC220V 50HZ/DC24V/DC12V/3.3V battery power supply |
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Power consumption |
<15W (Supporting power consumption with sensors ) |
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Display and buttons |
Display in Chinese and English, can display instantaneous flow, accumulated flow and alarm display (excitation open circuit alarm, empty pipe alarm, flow over limit alarm). Four membrane touch switches for data setting |
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Counter |
Forward total, reverse total |
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Output signal
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Analog
output |
Two-way, fully isolated 0~10mA/4~20mA Load resistance: 0~1.5kΩ when 0~10mA; 0~750Ω when 4~20mA
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Frequency output |
Forward and reverse flow output, the upper limit of output frequency can be set within 1~5000Hz. Open collector bidirectional output of transistor with photoelectric isolation. The external power supply is not greater than 35V, and the maximum current of the collector when it is turned on is 50mA |
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Alarm output
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Two-way open collector alarm output with photoelectric isolation transistor. The external power supply is not greater than 35V, and the maximum current of the collector when it is turned on is 250mA. Alarm status: fluid empty pipe, excitation disconnection, flow overrun |
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Pulse output
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Forward and reverse flow output, the output pulse upper limit can reach 5000CP/S.
Pulse equivalent is 0.0001~1.0m³/P. The pulse width is automatically set to 20ms or square wave. Open collector output of transistor with photoelectric isolation. The external power supply is not greater than 35V, and the maximum current of the collector when conducting is 50mA |
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Matching accuracy |
0.5%
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Damping time constant |
Continuous variable from 0~100s (90%) time grading optional |
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Communication |
Optional RS232C or RS485 serial communication interface, HART communication protocol |
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Loss of power |
The internal design of the instrument has a power-off clock, which can store 16 power-off records (10 years) (need to be customized) |
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Protection class |
IP65 |
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Explosion-proof mark |
Ex d ia [ia Ga] q IIC T6 Gb |
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