Model RM-6H RM-6HD RM-6F RM-6FD supply voltage DC12V1A The power of the machine 12W Case protection grade IP40 Range of speeds 20-80rpm Speed accuracy ±5rpm Roller steering clockwise The number of roller 6 Specification ige tube specification applicable Φ 6- Φ 34mm; place as demand Maximum number of centrifuge tubes Tube length less than 145:10pcs; tube length more than 145:5pcs Rolling shaft size Φ29x280mm Timed range Without 0-99h59min Without 0-99h59min amplitude 0 25mm 0 25mm The center spacing of the roller 34mm Motor type The DC is brushed (2-wire) Brushless DC (6-wire) The DC is brushed (2-wire) Brushless DC (6-wire) Allowed for ambient temperature and humidity 5-40℃ 35-80%RH Maximum load bearing 1KG Machine size 485*233*88(mm) packing measurement 544*294*140(mm) machine net weight 2.6KG