Constant-Torque Brushless Mixer; 20 to 3000 rpm, 230 VAC

Chuck guard encloses spinning chuck for added safety|Set speed maintained as fluid viscosity changes|Includes tare function to set torque reading at zero|The unique, two-speed transmission delivers constant performance under changing condistions. Mixer features a sparkless, brushless DC motor that provides a long, maintenance-free service life. The totally enclosed non-ventilated motor is rated for continuous duty. Overload protection automatically shuts off the mixer if maximum torque is exceeded an LED light signals overload conditions. The through-shaft design lets you easily alter shaft length and propeller depth. Mixers have an aluminum alloy housing. What's included: calibration certificate, stainless steel chuck and key (accepts up to 3/8'' dia shafts), chuck guard, 5''L x 1/2'' dia mounting rod, and 6-ft cord with three-prong plug.