Nohken
Nohken RB Series Rotating-puddle Level Sensor
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RB20F RB21FT
RB20N RB20F
RB21FBV RB21FL
RB21FLT
Shaft diameter is 10mm. (8mm for long shaft version)Easy sensitivity adjustmentEasy internal component replacementPrinciple of OperationThe sensor uses a motor to rotate the paddle. The paddle rotates without material covering it. With material covering the paddle, the paddle stops rotating, which causes the motor itself to rotate. This motor rotation switches the microswitch to start/stop the motor or to give a signal output.
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