Buchi B-720 - Appendix

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BÜCHI Vacuum Controller B-720
9 Appendix
9.1 Technical data
Voltage 230 V/50…60 Hz
120 V/50…60 Hz
Power consumption 14 W
Solenoid valve input 28 VDC
Control range pressure 1 mbar/Torr– atmospheric pressure
Max. system deviation ± 0,5% full scale
Pressure range 1–1400 mbar
1–1050 Torr
Hysteresis Automatic or 1–100 mbar
Fuses 400 mAT
Dimensions (WxHxD) 90x145x55 mm
Weight 960 g
Ambient temperature +5 °C…+40 °C
Table 10: Technical data
9.2 Materials used
Part Material Material code
Case Grillamide PA
Pressure sensor Ceramic
Faceplate Foil Polyester
Circuit board Glass fibre epoxy resin
Cable Polyvinyl chloride PVC
Table 11: Material used
9 Appendix