Yamato Scientific DN410I Inert Oven - Manual (Page 18)

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Do not place any samples on the bottom of the chamber
z Do not place any samples on the bottom of the chamber to heat,
because it affects the temperature control of the oven.
z Always put the samples on the attached shelves. Place sample so that
it does not touch the interior wall of the chamber.
z Set the shelves on the shelf brackets that will accommodate the size of
the sample.
During a thunder storm
During a thunderstorm, turn off the power key immediately, then turn off the
earth leakage breaker and main power. If this procedure is not followed,
fire or electrical shock may be caused.
In case of power failure
Once the power supply has been cut off due to power failure, and then the
power supply is restored, the oven will resume running.
When you open and shut the door
Do not put your hand either face near the door when you open and shut
the door. Failure to observe this caution may result in injury because the
door hits your hand or face.
Sample