The WH-962 is a laboratory tube rotator developed by SMTmax. It comes with 0 rpm to 250 rpm stepless speed regulation, 250 rpm maximum speed, 110V AC power supply, and digital display. In addition, the unit is equipped with 13.8 x 10.6 x 16.5 in dimensions, 350 mm rotor body diameter, and 30 °C horizontal elevation angle.