Velp Scientifica
– UDK139 Operating Manual
10004762/B5
16
3.4.1. Mouse
A mouse with USB plug can be connected to one of the two USB ports to navigate
the menus. Connect the mouse with the instrument turned on in order to activate the
pointer.
3.5.
Preliminary operations
At the end of installation proceed as follows:
Open the safety guard;
Position the test tube;
NOTA:
to position the test tube hold the blue handle down, slide the test tube into
place making sure that the Teflon tube remains inside the test tube and that the test
tube itself rests on the press test tube. Release the blue handle.
Close the safety guard;
Turn on the tap water;
Check that the distillate tube is in place in the flask.
Turn the instrument on by pressing the mains switch POWER (led on) on the right of
the instrument. The instrument automatically carries out the following steps
simultaneously:
Preheating (this takes 3 minutes. A yellow strip at the top of the display
reading
“preheating” indicates that preheating is in progress, the
countdown indicates the time left);
Tap water check to ensure the presence of cooling water;
NOTA:
During pre-heating the instrument menus can be accessed with the exception
of work cycles requiring the production of steam.
An acoustic signal indicates that pre-heating is complete, the strip at the top of the
display is blue
and reads “UDK139”.
IMPORTANT: before beginning analysis enter the CHECK-UP menu in order to
fill the tubes (see chapter 4.6.1).
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