ER-12 Rotator – Constant Speed


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This economical unit runs at an approximate speed of 3,000 RPM at full load.

The chuck is specifically designed to securely mount the Stroboscope Discs (RA-21), but may also be useful in spinning a variety of similar items such as a color wheel or a siren disc.

The simple chuck has a threaded section with a large knurled nut for hand tightening. There is a step at the base of the threaded section of the correct size to properly seat the strobe discs with the help of the knurled nut and a washer.

This unit is available for operation at 220 volts with a slight reduction in the maximum speed.  Plug and cord will be appropriate for shipping country of destination.

Additional information

Weight 7 lbs
Dimensions 11.75 × 11.75 × 9.75 in

115 v Plug, 220 v EUR Plug, 220 v Other Plug, 220 v UK Plug


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Instructions:  Constant Speed Rotator

Replacement Parts

We have had no request for replacement parts for this product, but please be assured that whatever you might need is readily available.

Please contact us for any replacement part that might be needed.