It can be operated with two different rotors.
With rotor No. 1014 conical 15 ml tubes can be accelerated to 1,300 RCF.
Rotor No. 1025 also accommodates a variety of other commercial tubes (also with round bottom)up to 15 ml. Max. length of the tubes: 125 mm, max. diameter: 17 mm. Max. RCF: 1,076.