技术参数：
                        Interface I-300    Interface I-300 Pro
Dimension (W x H x D)
 
Instrument               121 x 141 x 50 mm     122 x 221 x 50 mm
Shipping box             300 x 340 x 85 mm     300 x 340 x 85 mm
Weight                        400 g             600 g
Power consumption             3 W               10 W
Power supply voltage      30 VDC ± 5 %          30 VDC ± 5 %
Display                     LCD, 4.3 in          LCD, 7.0 in
Protection class             IP21                IP21
Approvals                    CE / CSA            CE / CSA

                             VacuBox             LegacyBox
Dimension (WxHxD)            50 x 167 x 57 mm    50 x 167 x 28 mm
Weight                        400 g              200 g
Measurement range             1400 – 0 mbar
Control range                 Ambient pressure – 0 mbar
Measuring accuracy             ± 2 mbar (after calibration at constant temperature)
Vacuum connection              GL14
Magnetic valve supply          24 V
Power consumption              8 W                   8 W
Power connections/输出电压     30 VDC ± 5 %          30 VDC ± 5 %
Hysteresis                     自动或1-200mbar     自动或1-200mbar
Protection class                 IP21              IP21
Approvals                        CE / CSA            CE / CSA