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SimpleDist® Micro Heating Block: Operation & Instruction Manual Operation Information
Temperature Settings
The pre-set factory “set point” temperature of your SimpleDist® Micro Heating Block is 106°C.
Factory tests have shown that this temperature is “sea level safe.” Liquids in uncovered
polypropylene tubes should not boil at this setting. Please note that the set point of the block is
not the same as the temperature of the liquids being distilled. The block temperature should be
optimized for the specic distillation. The temperature of liquid contents of the distillation micro
tubes will vary according to the material being digested, the number of samples being digested,
and the air movement of the distillation area.
Note: The maximum sample temperature tolerance for polypropylene vessels is 130°C.
Remember that the temperature display (current block temperature) is not the temperature of the
sample. Sample temperature will usually be 5 to 15° less than the display temperature.
Note: Do not attempt to operate the SimpleDist® Micro heating block over 150°C.
Adjusting the Temperature Settings
Plug the SimpleDist® Micro Heating Block into an approved receptacle. Turn the heating block
on by pressing the button on the back of the unit. Wait until the display shows the current block
temperature (in red) and the set point temperature (in green).
Press and hold or tap the r or s key. The display will show the set point temperature on the
right in green. The adjustment is from ambient to 150°C in increments of 0.1°C. There is
no need to press the green (advance) or ∞ button.
Safe-Sample™ Temperature Protection
Your SimpleDist® Micro Heating Block is designed to protect from runaway temperatures by an
alarm system. In the unlikely event that the heating system fails to respond to the controller, the
Safe-Sample™ system will automatically shut the system off and sound an audible alarm.
This alarm sequence occurs if the actual temperature of the block reaches a temperature that is
fteen degrees higher than the set point temperature. If this should occur, the heating block will
stop heating, preventing the loss of samples. The heating block must be turned off, then turned
back on to reset the alarm.
Notwithstanding the alarm system feature, Environmental Express strongly recommends that
the product not be left unattended.
If the alarm sounds, see the SimpleDist® Micro Heating Block troubleshooting guide of
your manual on pages 17–19.
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