Reciprocal Shaker LRS-A10 Labtron Reciprocal Shakers are compact, microprocessor-controlled devices featuring a shaking speed range of 100-350 rpm and a 4 mm orbit. With a timer range of 1 min to 19 h 59 min and a temperature range of 5-40°C, they ensure reliable, quiet operation. Ideal for various laboratory settings, they accommodate flasks, plates and other containers.