Lubricating oil gel index apparatus

The utility model discloses a lubricating oil gel index apparatus, it includes: a housing. The cryostat jar presss from both sides the cover, its set up in in the casing, the upper end that this cryostat jar pressed from both sides the cover is provided with the opening, the cryostat jar, its cover is located the cryostat jar presss from both sides in the cover, the cryostat jar presss from both sides the lateral wall sealing connection of upper end with the upper end of this cryostat jar of cover, the sample dish, its set up in the top of casing, and this sample dish is located directly over the cryostat jar, and the membrane cover, its lower extreme with the cryostat jar presss from both sides the upper end sealing connection of cover and surrounds the upper end of cryostat jar, and the upper end of this membrane cover with the top seal of casing connects and surrounds the lower extreme of sample dish. The utility model discloses a membrane cover presss from both sides sample dish and cryostat jar and seals