Adarsh Instrument Pvt. Ltd. Offers Vacuum Desiccator. Adarsh Instrument Pvt. Ltd. Has received an ISO 9001:2000 certification. Vacuum Desiccator is used holding vacuum upto 740mm of Hg for 24hrs without any greasing. Vacuum Desiccator is available for chemistry laboratory instrument and used in industry, pharmacy, dairy, soil testing, pathological laboratory and general laboratories with 150, 200, 250 and 300mm sizes.