VACUUBRAND PC 301 - Manual (Page 18)

Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999147 / 17/06/2014
page 18 of 40
Switching the pressure unit:
➨ Use key UP/DOWN to select the desired pressure unit.
➨ Keep key MODE pressed while switching on.
☞ The pressure unit as from the last operation is displayed.
➨ Press key ON/OFF to confirm the selected pressure unit
and to terminate mode.
Upon switching on, the absolute pressure (total pressure, in-
dependent of gas type) ranging from 1 mbar to 1080 mbar
is displayed in the selected vacuum unit (Torr, mbar or hPa).
☞
The pressure transducer has been adjusted at the factory.
In general, there is no need for readjustment by the user
because of the excellent longtime stability (see section
”Readjustment”).
Use and operation DVR 2
Display
pressure units, selectable
adjustment mode /
warning symbol automatic sleep mode
replace battery /
display of battery capacity
key ON/OFF
key UP/DOWN
key MODE
Keys
The keys are on the rear side
of the device underneath the
symbols at the front side.
Torr +
mbar
Pressure measurement: