The working principle of ball float liquid level transmitter understand it

by:KAIDI     2020-08-29
The working principle of ball float liquid level transmitter see a see ball float liquid level transmitter consists of two parts, liquid level sensor and current converter, floating ball and the changes of liquid level, control of dry reed pipe and disconnect, so that the internal resistance sensor into a linear change, again by converter to convert the change of the resistance to standard 4 ~ 20 ma current signal and superposition digital signal output. Ball float liquid level transmitter to open, airtight container or medium level in the underground pool appeared in appearance control indoor, alarm and control. Medium can be inspected for water, oil, acid, alkali, industrial sewage and other conductive and non conductive liquid, and can overcome the influence of the false level which is formed by the liquid bubbles. In the field of industrial production, have a kind of instrument is widely used, this is the ball float liquid level transmitter. It is widely used in the including oil refining, chemical industry, food production, etc. The stand or fall of ball float liquid level transmitter, directly affect the efficiency of industrial production. In terms of adaptability, ball float liquid level transmitter was stronger than other ordinary liquid level transmitter. This is mainly the transmitter has this several very good feature. Is the most important characteristics of a high temperature resistant characteristics of ball float liquid level transmitter, makes this a transmitter can be applied to high temperature and high pressure environment. Even in the environment of abnormal high temperature and high pressure, the liquid level transmitter is not damaged. Ball float liquid level transmitter also has the very strong corrosion resistance, it is to have a such a characteristic, make the ball float liquid level transmitter is suitable for those with strong corrosive environment. Is in some strong corrosive medium, the liquid level transmitter can still work very good. Ball float liquid level transmitter working principle: the measurement part of the ball float liquid level transmitter consists of floating ball and the balance beam and counterbalance moment balance mechanism, thus float freely along with the change of liquid level fluctuation. When liquid level change, the position of the float ball have corresponding change, through the cue to drive the spindle rotation, header inside the angular displacement sensor, to convert the change of liquid level to the corresponding electrical signals, then from the inside of the header electronic circuit converts the signal is proportional to the liquid level changes of standard current signal. Ball float liquid level transmitter can continuous measurement of liquid level or interface ( When measuring interface, two kinds of liquid density difference & ge; 0. 1g/cm3) With digital display alarming device, HF electro, ball float liquid level transmitter for two wire gauge, 4 ~ 20 ma output current. 24 v DC power supply voltage. 直流。 Ball float liquid level transmitter for petroleum, chemical, textile, food, brewing, pharmaceutical, shipbuilding, power generation, water supply and drainage of liquid surface and interface of distance measurement, adjust, control and alarm.
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