| Acidity testers | ||
|---|---|---|
| Modele | Weight in grams (gr) | Oil compatibility |
| Tester aciditate Refco 9881446 | 55 | Ulei mineral (mineral oil) Ulei sintetic (synthetic oil) |
| Tester aciditate Rectorseal 4669904 | 130 | Ulei mineral (mineral oil) Ulei alchilbenzenic (alkylbenzene oil) |
| Tester aciditate QT2000 QwickCheck | 28 | Ulei mineral (mineral oil) Ulei sintetic (synthetic oil) |