Instruction Manual
7
6.2
FUNCTIONS
Switch on / off
Pressing
briefly switches the device on
and pressing
longer switches it off again.
Change rate
function
1
Below 75'000 micron or 100 mbar, a vacuum
change rate is indicated. It can give a further
indication of how tight a refrigeration circuit is.
Reference
pressure function
Press and hold
on the vacuum hold
display. This sets the current pressure as the
reference pressure. The difference to the
reference value is displayed. Press and hold
again to remove the reference pressure.
Alarm function
An alarm value can be set in the menu. If an
alarm is set, the icon is displayed in the status
bar. If this value is exceeded or undershot, the
display flashes. The alarm is acknowledged by
pressing any key. With a REFVAC-RC, any
alarm value can be set via the REFMESH App.
Pressure /
vacuum units
The following units can be set: mbar, micron,
Torr, mTorr, psi, inHg and Pa
Automatic shut off
If the automatic switch-off is activated, the
device switches off after 30 minutes if no user
interaction has taken place during this period.
