Specifications

minus 3, turn the knob COUNTER-
CLOCKWISE, counting each click of
the knob until you have advanced the
knob the same number of positions as
the number you calculated in step 3,
and then one additional click.
10. Push the heat knob again. The
PROBE, SET and TOP lights will no
longer be illuminated.
11. Turn the power switch to the OFF
position, unplug the cordset from the
power source, and allow the top plate
to cool completely.
12. Remove the bottom cover again and
move the black plastic jumper on the
logic board from position J5 to J3.
13. Replace the bottom again. The unit is
now within tolerance and no further
adjustment is necessary until the top
plate assembly or the logic board is
removed again.
Calibrating the Probe
Temperature Input
To verify the temperature reading of the
probe, insert a calibrated thermometer into a
solution you are heating on the stirring hot
plate. When the thermometer has stabilized,
record the temperature readings given by
both the thermometer and by the probe as
indicated on the MIRAK display.
To calibrate the probe:
1. Unplug unit, turn unit upside down
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MAINTENANCE AND SERVICING