The turnstile incorporated a rotor, with four columns of equi-spaced paddles (6 paddles in each column) set at 90 degrees to each other.
The turnstile is described on the following documents available from the manufacturer:
- RotaSec HS90SC (Issue A, 03/2017) - RotaSec HS90SC technical specification.
- GUK O&M Manuals RotaSec HS90SC (Revision A) - HS90SC installation operation and maintenance manual.
- GU-HS90-Layout Unit cw Privacy Panel (8/4/2015) - Layout - Unit complete with privacy panel.