D135-10-880C - Operation
Page 64
Vent delay
Main menu > Settings > Vacuum settings > Vent delay
Through this menu item it is possible to define the delay time until the inlet port is vented
when operating the STOP button. When the STOP button is pressed for a period of time which
is shorter than the delay time specified here, the ELD500 will just change to standby mode.
When the STOP button is pressed for a period of time which is longer than the delay time
specified here, the ELD500 will vent the inlet port.
Vacuum ranges ELD500 DRY/ELD500 FLEX
Main menu > Settings > Vacuum settings > Vacuum ranges
Different modes concerning the activity of leak detection can be adjusted with this menu.
This setting is only active in vacuum mode (see Interfaces).
Softkey 3: Off
The function automatic purge is off.
Softkey 6: ON
The function automatic purge is on. When changing from measure to standby the vacuum
fore-pump will be purged automatically for 20 seconds.
Softkey 2: Immediately
The inlet port will be vented immediately after pressing the STOP button.
Softkey 3: After 1 second
The inlet port will be vented with a time delay of 1 second.
Softkey 4: After 1.5 seconds
The inlet port will be vented with a time delay of 1.5 second.
Softkey 5: ?
Help
Softkey 6: after 2 seconds
The inlet port will be vented with a time delay of 2 second.
Softkey 7: No venting
The inlet port cannot be vented with the STOP button.
Softkey No. 2: GROSS only
In this mode the ELD500 remains at the inlet flange after falling below 15 mbar. When the
pressure is increasing over 15 mbar the ELD500 switches automatically into evacuation
mode. The smallest detectable leak rate is 1 x 10
-8
mbar l/s.
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