- ACQUITY UPLC H-Class
- ACQUITY UPLC I-Class
Active Disabled - An Active preheater is installed but not available.
The other configurations in the console are:
1) Active - An Active preheater is installed.
2) Passive - The active preheater is not installed.
From the Column Manager, click Configure > Preheaters.
Present: an active preheater for the column is installed.
Not present: an active preheater is either absent or not connected properly.