vacuum calibration tank 1.Moving range of axial direction:800mm 2.Without water pump, vacuum pump 3.high quality vacuum calibration tank : Length 5600mm Vacuum degree-0.03~0.08Mpa Moving range of vertical direction ±100mm Moving range of cross direction ±80mm Size 500, 560, 630, 710, 800, 900, 960, 1000, 1200 vacuum calibration tank