OHAUS HSMNHP4CAL Bedienungsanleitung Seite 6

MINI HOTPLATE/HOTPLATE-STIRRER HEATING OPERATING INSTRUCTIONS
1. Get ready:
Turn the heat knob to its off position. Plug the power cord into a properly grounded
outlet. Place a vessel with solution and the appropriate accessories in the center
of the top plate. This is important for heating because the vessel will be over the
hottest part of the top plate.
OFF position
2. Set temperature:
Turn the power on to the unit by pressing the toggle switch in the back of the unit
to the 'on' position (Hotplate and Hotplate-Stirrer only). From the off position, turn
the heat knob counter-clockwise until pointer reaches the selected heat setting
(graduations on the panel surrounding the control knob are reference marks only
and do not indicate specific temperatures). Rotating the heat control to its full on
position will bring the hotplate surface to its maximum temperature of about 500°C.
To prevent possible damage, however, this position should not be maintained
indefinitely. Do not allow the unit to operate at maximum temperature without a
beaker or flask (with fluid) on the top plate.
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3. Adjust temperature:
Temperature adjustments can be made without interrupting heating by turning the
indicator knob counter-clockwise to increase heat, or clockwise to decrease heat.
4. Turning unit off:
To stop heating, turn the heat knob to the off position. Your vessel can then be
removed. The heat knob should be kept in the off position when not in use. Press
the toggle switch to the 'off' position. To completely cut off power to the unit, unplug
the power cord from the wall outlet.
HEATING OPERATING TIPS
Best performance will be obtained if the unit is kept as clean as possible. Accumulated
deposits on the top plate will retard the uniform distribution of heat. Materials,
especially insoluble gums, resins, adhesives, etc., should be quickly removed from
the top plate surface before they harden. Care should be taken as well, to prevent
corrosive materials from entering the housing.
CAUTION! Hotplates/Hotplate-Stirrers are not explosion proof. Use caution when
heating volatile materials.
In the event of a power outage or hazard that will interrupt unit operation, the unit will
restart at set speed and/or temperature when a power outage or hazard is restored.
EN