... this password, all theparameters including: tank temperature, heating plate temperature, vacuum time,lower chamber air charging time, 1st laminating time, 2st ... can not reach the setting data in 2 minutes when vacuum the lowerchamber. D: It will alarm 1 minute before ... 1500 hours) (8) With 1 pcs Rotary vacuum pumps(model: 2X70) , vacuum speed: 70L/S, real vacuum can be 30~50Pa. (9) Safety designA ...