Stirrer, Electronic Control-Stir-Tester, Heller HST Series
Laboratory stirring and viscosity measurement is easier and more precise with the HST Series stir-testers.
Actual speeds are displayed and maintained by a synthetic tachogenerator. Speed is kept within less than 1% of the base speed from no load to more than 100% of full load regardless of AC line voltage fluctuations of ±10%.
Viscosity measurement is easier thanks to a controller with a digital readout switchable between speed and torque.
Data on shear stress, shear rate, velocity gradients, and viscosity is accumulated easily with external CD voltage signals for speed and torque (for strip or X-Y recorders) available through an output port on the rear of the control. Totally enclosed DC motor provides speeds from 20 to 2500 RPM. Complete with mounting bracket, controller, 3 jaw chuck, propeller and 90°Clamp.
