... machine can set different quantity, speed and time for filling oil. 2) Filling precision: ± 0.5%(or at user's option). ... This machine with alarm system when filling more or filling less, and can check the filling quantity, filling time any time. And can ... . Use: Widely applied to fill compressor, refrigerating machine, engineering machinery, hydraulic system, oil tank and so on. ItemUnitJYJ-10JYJ-50JYJ ...