The “CAUTION - HOT TOP” indicator illuminates when the
plate reaches 50°C. When the heating is turned off, the indi-
cator will continue to flash until the plate temperature drops
below 50°C.
Controlling Solution Temperature
Using External Probe
Plug the included probe or an ungrounded Type K thermocou-
ple probe into the probe receptacle located on the right side
of the unit. Place the probe into the solution. The display will
indicate the actual temperature of the solution as measured
by the probe, and the probe indicator LED on the front panel
will be illuminated.
To ensure accurate probe readings, as much of the probe
sheath as possible should be immersed in the solution.
Over Temperature Protection
Setpoint
The factory-set fixed over temperature setpoint is 570°C on
the top surface of the plate.
Heating Metal Vessels and
Sand Baths
Metal vessels and sand baths may be heated safely without
the danger of the ceramic top breaking. Use the lowest tem-
perature setting possible for applications to limit thermal
stress to the top.
Setting the Timer
To set the timer, use the right and left arrows until the light
above the number corresponds to the desired time. The
default setting is turning off heating only. To change this set-
ting, see “Service and Calibration/Timer Shutdown.”
One minute before shutdown, the unit will beep three times
and flash the 1 hour light. The unit will beep three more times
to indicate it has timed out.
9
OPERATION
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