The hot plate was supplied power and dial was turned to max heat output then tested with a thermometer. The max heat this plate seems to produce is ~404°C (see on picture #7-8)
About this hot plate, "The Fisher Scientific 11-600-49H Isotemp hot plate is a compact, general-purpose laboratory heater built for routine bench use where reliable, high-temperature surface heating matters more than extra bells and whistles. This 120V analog unit uses a 7" x 7" top and is commonly referenced, making it well suited for sample warming, solvent evaporation, reagent prep, digestion work, and other everyday heating tasks in research, industrial, and QC labs. The Isotemp line is popular because it is simple, durable, and easy to operate, and this model’s straightforward knob-based control makes it a practical choice for labs that want dependable heating without the faff of a more complex digital system."
