Impact of Nozzle Design on Fill Weight Precision for Filling with and without Suck-Back Control
| Nozzle Description | SB Settinga | Number of Filling Runs | 3% Precision |
|---|---|---|---|
| 1.6 mm Teflon | 0 | 4 | 80 ± 35 |
| 3 or 4 | 8 | 47 ± 34 | |
| 1.5 mm glass | 0 | 5 | 96 ± 5 |
| 3 or 4 | 8 | 43 ± 23 | |
| Custom nozzle assembly without sponge | 0 | 4 | 91 ± 14 |
| 3 or 4 | 8 | 74 ± 10 | |
| Custom nozzle assembly with sponge | 0 | 4 | 83 ± 18 |
| 3 or 4 | 8 | 91 ± 13 |
↵a Pump setting: velocity 600 rpm, acceleration 125.