4
5.0 Heating Operation and Controls
◗
The microprocessor ensures minimum heat-up times for samples by supplying maximum
power to the heating element until the set point is reached.
◗
Top quality insulation keeps the heat on the top, away from controls and the lab bench,
saving more energy than competitive units.
◗
The Hot Top Indicator light warns that the top plate is too hot to touch (>60°C).
◗
The Temperature sensor provides power cutoff in abnormal situations by limiting top plate
temperature to 550°C.
Heating Operation
Fill the vessel with solution. For stirrers and stirrer/hot plates only, place the provided stir
bar into the vessel, and set the vessel in the center of the top plate. Plug the line cord into
an earthed power outlet – the green power indicator light will illuminate. Turn the heat
knob clockwise to the desired setting. The amber heat light to the left of the heat knob will
illuminate. Hot top indicator light will illuminate and remain on when temperature of the
top plate reaches approximately 60°C.
Dial Setting
Approx. Temp.
0 OFF
1 - 2
25°C
3
90°C
4
170°C
5
230°C
6
300°C
7
410°C
8
460°C
9 - 10
480°C
NOTE:
Temperatures listed above are typical with no top load.
Actual temperatures will be governed by dial setting and top load.
6.0 Stirring Operation and Controls
◗
Exclusive closed-loop stirring control monitors and regulates the stirring speed – sensing
your requirements whether you’re stirring an aqueous, viscous, or semi-solid solution.
◗
Stirring control provides a “cushioned” reaction to large increases in speed to minimize
decoupling.
Stirring Operation
Fill the vessel with solution. For stirrers and stirrer/hot plates only, place the provided stir
bar into the vessel, and set the vessel in the center of the top plate. Plug the line cord into
an earthed power outlet. The green power indicator light will illuminate. Turn the stir
knob clockwise to the desired setting. The amber stir light to the left of the stir knob will
illuminate.
