Published by on 5 de agosto de 2026 (Speed optional. b)Relative humidity range:≤80%;. Rotate speed: 140-550 r/min Torque:0.3-4.0N.cm. c)Atmospheric pressure range:70 kPa~106kPa;. The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies.