www.drawell.com.cn
1.2.1 Operating safety
A.C. power’s grounding should be reliable for fear of an electric shock.
The 3-pin plug with this instrument’ s power line is a safety device that
should be matched with a grounded socket. Before turn on the power,
always check if the mains voltage is consistent with the instrument required.
Ensure the rated load of socket is not lower than required.
If the A.C. power line is damaged, it must be replaced with a new one.
The power line should be free of heavy objects during the instrument’s
operation. Keep the power line away from the place where people gather
regularly. While connect or disconnect the power line, you should hold the 3-
pin plug with your hand. Insert the plug thoroughly to ensure good contact
between the plug and socket. Pull the plug, not the line, when you need to
disconnect to the mains.
During instrument operation, the metal part and the hotlid can reach
hightemperature, may cause burns and liquid boil over
，
is not allowed to be
touchedby any part of the body for fear of the body burn, during the whole
operation.
Don’t put anything around the instrument closer than 30 cm when it is
working to ensure the heat dispersion.
1.2.2 Maintenance safety
The instrument need timely clean the block and the heat lid to keep the experiment
precise. It is advised that you take out the temperature changing block before you clean.
Use a piece of clean soft cloth with some absolute alcohol to swap lightly. Corrosive scour
is not allowed, and you should never drop the scour into the heat lid. Put back the block
after cleaning.
Once one of the following events occurs, you are suggested to
disconnect the power line with mains, and contact the distributor or ask a
certificated maintenance worker for help
：
●
Reagent, rain, or other liquid into the device;
●
The device malfunctioning, giving off abnormal sound or odor, or the
screen displays Error!
●
The device falling from high place onto the floor or its shell damaged;
●
Significant changes in the device’s performance, such as can’t power
on or operate normally.
Note
: For your safety and the normal operating of the instrument, don’t open the
instrument. Otherwise your safety is not guaranteed and you will lost the right to warranty.
