... can reach to 1 Micro. The Vacuum system equips three grades filter (primary filter, mass water separator, and ... need heat the oil to 45 C, Then it can remove the tiny water, soluble water, acid, alcohol and ... 4Working Temperature°C0~80Clean DegreeNAS6 GradeImpurity Sizeμm1Gas Content%0.1Acid ValuemKOH/g≤0.05Water contentPPM≤ ... dielectric strength testerNKEE-Oil moisture sensor, water content sensor