Operation; Powering The Unit; Setting The Stirring Speed; Setting The Temperature - Fisher Scientific 1130049HP Operation Manual

Warning
Use caution when heating volatile
materials; top surface and element
can reach the "Flash Point
Temperature" of many chemicals.
These stirring hotplates are not
explosion proof. Fire or explosion
may result. Unit contains compo-
nents which may ignite such mate-
rials.
Use appropriate hand and eye pro-
tection when handling hazardous
chemicals.
"Caution: Hot Top. Avoid Contact."
The top plate of the unit can
remain hot for some time after use.
A "CAUTION -HOT TOP" light will
remain on until top plate tempera-
ture cools to below 50°C.
"Stir" key
"Heat" key

Powering the Unit

Set the unit on a flat stable surface at least 12" away from
combustible materials, and plug the cordset into a properly
grounded electrical outlet of correct voltage and current han-
dling capacity. Press the power button or ANY button on the
control panel. When the unit is turned on, there will be three
beeps, the unit will initialize and then "OFF" will be displayed
on both the "HEAT" and "STIR" display screens until a tem-
perature and/or stirring speed are entered. To turn off power
to the unit, press the power button.

Setting the Stirring Speed

Press "Stir" key located under the STIR display. Use the knob
in the center of the console to select a speed. Turn the knob
clockwise to increase the speed or counterclockwise to
decrease the speed. When desired speed has been reached,
press the "Stir" key again or wait a moment and the unit will
beep indicating that it has been set.
The display will register ACTUAL speed until the setpoint has
been reached. To check the setpoint, press "Stir" under the
STIR display and your setpoint will be displayed again for a
few seconds. The display will automatically return to indicat-
ing actual speed.
To turn stirring off, press and hold the "Stir" key until a beep is
heard (approximately 3 seconds) or press the "Stir" key and
turn the knob counterclockwise until the display reads "OFF."

Setting the Temperature

Press "Heat" key located under the HEAT display. Use the
knob in the center of the console to select a temperature.
Turn the knob clockwise to increase the temperature or coun-
terclockwise to decrease the temperature. When desired
temperature has been reached, press the "Heat" key again or
wait a moment and the unit will beep indicating that it has
been set.
The display will register ACTUAL temperature until the set-
point has been reached. To check your setpoint, press "Heat"
key under the HEAT display and your setpoint will be dis-
played again for a few seconds. The display will automatically
return to indicating actual temperature.

Operation

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