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4B Braime have launched a new type of rotary level indicator, the RLI “Shaker”. A rotary paddle switch,to detect high / low levels of bulk granular solids in bins, tanks and silos, the RLI "Shaker" 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 allows one unit to cover many different densities of material, and provides easy on site calibration without having to change paddles.

The RLI Shaker is ATEX certified.

4B Braime Elevator Components is a leading supplier of level controls, intelligent sensors and safety control systems that prevent costly downtime and minimize the risk of explosion in hazardous areas.