Magnetic Stirrer/Hotplates, Square Plate, Ohaus Guardian series
Maximum speed 1600rpm and volume stirred 20 litres. Maximum temperature 380oC. Electronic setting using separate dial switch controls for heat and stirring speed, with separate high-resolution, backlit LCD readouts. With circular, 135mm diameter top- plate, single-point calibration and dual independent safety controls to continuously monitor the electronics and shut down heating before overtemperature occurs. Guardian 7000 models additionally feature SmartPresence and SmartLink technologies which allow a user to “pair” a mobile device to the unit to supervise operation and enable a heater shutdown if no operator is detected after a user-set period of time has elapsed. They also have SmartHeat and SmartPlate functions which allow maximum temperature and heat ramp rate adjustment. All units feature a “heat on” icon, retort rod holder at the rear of the housing and have a remote probe socket for use with an accessory probe to monitor media temperature directly. Accessory blocks allow use with a variety of tubes. For 230V 50/60Hz single phase supplies.