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Do I need a speed controller?

Posted on January 3rd, 2018

Only if you want to control noise levels or extraction rates. Typically a speed controller is not needed in industrial level applications such as workshop sanding or fettling, but for finer work in quieter environments (powder dispensing, model making, or similar) it would be of benefit.

For fume extraction applications using carbon filters, a speed controller is fitted as standard – this is essential for maximising the effectiveness of carbon filters, which benefit from low airspeeds.