- ACQUITY QDa
- Standard (S) mode uses a 0.09-mm aperture disc, sold as Aperture Disc Assembly, 0.09 mm
- Part number 700009769 for the "APERTURE DISK ASSEMBLY S"
- Performance (P) mode uses a 0.2-mm aperture disc, sold as Aperture Disc Assembly, 0.2 mm
- Part number 700009768 for the "APERTURE DISK ASSEMBLY P"
Note: It is not recommended to clean the aperture disk if blocked or dirty. It should be replaced.
- The size of the aperture is dependent on the type of vacuum pump used with the installed configuration.
- Standard QDa uses an integrated diaphragm pump powered by the QDa MS Detector.
- Performance QDa uses an external rotary pump which sits on the floor with its own power source.