1.European B standard. 2.Vacuum measurement reaches aa0.8Bar ,is fit to short cavity. 3.The threaded bar lock ensure safety.. 1,Practical equipments.2,European B standard, PC control self- check.3,Vacuum measurement reaches –0.8Bar ,is fit to short cavity.4,the residue humidity of instrument after drying will not exceed 0.2%.5,3-fixed, 1-customizable program, temperature time and vacuum times are ...