Electrical Conductivity Level Sensor MT10
Level Switches Conductivity level sensor for liquid fluid
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详情介绍
MODEL: MT10/1 , MT10/3 , MT10/10
Main application
Pump control of relay pump stations and manhole pump stations
Main feature
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Insensitive to contamination
Relay unit with sequential logic circuit (RE9000) ignores affection from scum, suspended solids or other contamination.
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Extremely rugged
Having no moving parts, the sensor offers long service life.
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Easy-to-use relay unit
Mounting the sensor is easy with a cleaner and a mounting bracket.
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Suitable for a wide range of applications
DIP switch on relay unit allows measurement of various liquids.
(Sensitivity: 1kΩ to 80kΩ)
Principle of operation
The sensor has a pair of electrodes, and applies alternating current to them. When the liquid covers the electrodes, it forms a part of an electric circuit, causing current to flow. The sensor measures electric resistance of the liquid, and compares the measured value with a preset value to determine liquid presence. When liquid presence is detected, the sensor sends a signal to an amplifier to open or close relay contacts of relay units.
Sensor uses conductivity between the electrode and the ground to detect a level. For FRP or other plastic tanks, an earth electrode is required.