Pfeiffer Vacuum ASM 310 - Graph screen: graph parameters

7.7.4 Graph screen: graph parameters
Access: Press on the screen to access the graph parameters. Choice -
Setting
limit
1)
Range Display time To be set
Maximum time range displayed on the screen
12 s – 1 h
Auto scale To be enabled
The automatic scale is used to display the measured leak rate centered
on 2 or 4 decades. The scale varies according to the leak rate meas-
ured.
When auto scale is enabled, the scale configured for the leak rate is no
longer taken into account.
See example below
Enabled
Disabled
if auto scale is ena-
bled
To be selected
Number of auto scale decades
Example: leak rate = 5 · 10
-5
mbar · l/s
(5 · 10
-6
Pa · m
3
/s)
●
Auto scale 2 decades: scale from 1 · 10
-4
–
1 · 10
-6
mbar · l/s (1 · 10
-5
– 1 · 10
-7
Pa · m
3
/s)
●
Auto scale 4 decades: scale from 1 · 10
-3
–
1 · 10
-7
mbar · l/s (1 · 10
-4
– 1 · 10
-8
Pa · m
3
/s)
2 decades
4 decades
Decade
if auto scale is dis-
abled
High decade To be set
High decade (max) of the bargraph
Note: Maximum of 10 decades between high
and low decade
-11 – +6
Low decade To be set
Low decade (min) of the bargraph
Note: Maximum of 10 decades between high
and low decade
-12 – +5
Show inlet pres-
sure
To be enabled
Displaying/Hiding the inlet pressure
Enabled
Disabled
Pressure decade
if ‘Show inlet pres-
sure’ is enabled
High decade To be set
Configuration of the maximum decade for the
inlet pressure
-2 – +3
Low decade To be set
Configuration of the minimum decade for the
inlet pressure
-3 – +2
Enable re-
cord
To be enabled
Show/hide [COMMENT], [START REC], [STBY REC] and [STOP REC] on the graph screen
(see chapter “Graph screen”).
Enabled
Disabled
Sampling
rate
if ‘Enable
record’ is
enabled
To be set
Time between 2 recorded measurements
100 ms –
30 s
Clear re-
cording
if ‘Enable
record’ is
enabled
Function to be started
This function deletes all recordings in progress.
-
View record
if ‘Enable
record’ is
enabled
Function to be started
This function is used to display all recordings in progress.
-
1) Initial setting: see chapter “Tree diagram to the Settings menu”
Operation
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