![](https://kb-3d.com/store/4123-large_default/duet-roto-filament-monitor-sensor-v02.jpg)
![](https://kb-3d.com/store/4123-large_default/duet-roto-filament-monitor-sensor-v02.jpg)
The Duet3D Roto Filament Monitor integrates tightly with the Duet 3 Roto Toolboard and accurately senses filament movement to detect clogs, filament run out and other extruder issues.
Learn More at Duet's Hardware Overview here
The Duet3D Roto Filament Monitor integrates tightly with the Duet 3 Roto Toolboard and accurately senses filament movement to detect clogs, filament run out and other extruder issues. This version is a derivative of the Duet3D Magnetic Filament Monitor, shrunk down and designed to fit in the sensor module slot on the E3D Revo Roto. It uses a rotating magnet to very accurately detect filament movement and is mechanically very tightly coupled to the Revo Roto extruder. Electronically it is directly connected to the Duet 3 Roto Toolboard.
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