Rotary paddle level switch
ATEX | RLI SHAKER
4B Braime Elevator Components
levels of bulk granular solids in bins, tanks and silos. It can also
be used to detect plug conditions in spouts, where long life and
failsafe detection is required.
Utilizing a unique stepper motor drive, the RLI "Shaker" rotates
clockwise, then counter-clockwise and then shakes to shed any
excess material build up. If the paddle rotation is impeded at any
time by the bulk material then the electronic circuit provides a
signal for level indication or control.
The RLI "Shaker" uses fewer mechanical parts compared with standard rotary level indicators. No gearbox or clutch is required as the stepper motor drive is directly coupled to the output shaft and is practically indestructible and cannot be damaged by forced or backwards rotation. Also, an adjustable torque control allowsone unit to cover many different densities of material, and provides easy on site calibration without having to change paddles.
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