Description The Globe Scientific GTR-AVS was designed for gently mixing a wide range of tubes, containers and bottles. The analog dial can be set anywhere between 10 rpm and 70rpm. In addition to a rolling motion, the rollers are mounted slightly off center to rise and fall in a “see-saw” fashion. These two motions ensure your samples are thoroughly mixed for optimal homogeneity. The six (6) rollers can accommodate up to 8.8 lbs or ten (10) 15/50mL centrifuge tubes. Features: Speed Range of 0-70rpm Six (6) roller design for gentle sample agitation and ease of cleaning Cold room and incubator compatible DC brushless motor is quiet and maintenance free   Specifications GTR-AVS Amplitude 24mm Motor Type DC Motor Max. Load Capacity 4 Kg (8.8lbs) Number of Rollers 6 Roller Size (Length) 280mm (11″) Speed Range 0 – 70rpm Operation Mode Continuous Voltage 100-240V, 50/60Hz Power 25W Dimensions (W x D x H) 260 x 450 x 120mm (10.2 x 17.7 x 4.7″) Weight 4.5 Kg (9.9 lbs) Operating Temperature 5 to 40°C Permissible Relative Humidity 80% RH (non-condensing) Protection Class IP21 Warranty 2 Years     Direct From Supplier