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Help CenterReed Type Level Sensor RS485
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What is the working principle of magnetic reed type level sensor ?
The precision resistor and reed switch are equally fixed inside a closed non-magnetic conduit. The reed switch is in the magnetic force when the float ball with the inner hollow and fixed ring magnetic steel floats up and down along the conduit under the influence of the liquid buoyancy. As a result of the action, the circuit's resistance value changes. To achieve continuous management of the liquid level, the analysis and processing element in the circuit detects the change in resistance value and transforms it into a standard signal output of 4-20 mA /RS485.
What is the features of reed type level sensor ?
Continuous monitoring of liquid level with high repeatability;
It has nothing to do with foam and electrical conductivity, and is not affected by liquid specific gravity and pressure;
A variety of different materials, can adapt to the needs of different sites;
Remote control can be easily realized, and the connection with the control unit or digital display instrument is simple;
The indicating mechanism is completely isolated from the measured medium, so it has good sealing performance and is safeto use;
Easy maintenance, clear reading, accurate and reliable, and brighter display screen;
The measurement range of reed level sensor can be made according to the actual requirements of users
Measuring range |
L≤6000mm |
Specific gravity of medium |
≥0.8 |
Container flange |
DN50~DN150 |
Pressure Level |
0.6~2.5MPa |
Output signal |
4-20mA/RS485 |
Power supply |
DC24V |
Measurement accuracy |
L=500~1000mm, ≤±1.5%FS; ﹥1000mm, ≤±1.0%FS |
Load Resistance |
0~750Ω |
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