LEYBOLD 250000V01, Operating Manual

Page: 60 / 112

Operation
60
GA10218_002_C0 - 10/2016 - © Leybold GmbH
Relay Output
The trigger-relais of the digital out switches. Please refer to Chapter
3.5 Digital out,
for further details.
Alarm/Loudspeaker
Additionally Trigger level 1 defines at which level the various alarm types react (See
Chapter
3.8.7 )
3.8.2 Trigger Level 2
Main menu > Trigger & Alarms > Trigger level 2
The value of the second trigger level can be set. Please refer to Numerical entries
for the description of the entry.
If Trigger 2 is exceeded the corresponding relay will switch. This is also indicated at
the display (see Chapter
3.8.1 ).
3.8.3 Trigger Level 3
Main menu > Trigger & Alarms > Trigger level 3
The value of the third trigger level can be set. Please refer to Numerical entries for
the description of the entry.
If Trigger 3 is exceeded the corresponding relay will switch. This is also indicated at
the display (see Chapter.
3.8.1 ).
3.8.4 Units
Main menu > Trigger & Alarms > Units
The preferred leak rate unit can be selected. There is the choice of 4 (mbar, Pa,
Torr, atm) pressure units and 5 leak rate units (mbar l/s, Pa m
3
/s, Torr l/s, atm cc/
s, s ft
3
/yr).
In Sniff mode the following measuring units are selectable: ppm, g/a eq (helium
leak rate is equivalent with leak rate R134a), oz/yr eq (helium leak rate is equivalent
with leak rate R134a).
Softkey 2:

Scroll up to select a pressure unit.
Softkey 3: 
Scroll down to select a pressure unit.
Softkey 6:

Scroll up to select a leak rate unit.
Softkey 7:

Scroll down to select a leak rate unit.