Bio-Rad PDS-1000 / He™ and Hepta™ Systems - Manual (Page 15)

Table 2.3. Rear Connections
Refer to Figure 2.10 for a rear perspective view of the unit.
Helium Connection to Gas Tube
Connects top of Gas Acceleration Tube to plastic
tubing from Solenoid Valve, supplying high pres-
sure helium.
Over-Pressure Relief Valve Opens at 0.5 psi chamber pressure to relieve
accumulation of gas. A new safety feature.
Automatically resets after activation.
Vacuum Line, Chamber to Controls Supplies vacuum to chamber from control valves.
Helium Metering (Solenoid) Valve
Supplies electric power to 3-way Solenoid Valve
Electrical Connection in helium line. Plug the three-pin connector from
the Solenoid Valve into this receptacle.
Line Cord Electrical Connection Supplies electric power to Biolistic unit from
house line. Plug connector from Line Cord into
this receptacle.
Vacuum Line, Connection to Source Connects unit to house vacuum supply or vacuum
pump via fittings included. Feeds into vacuum
flow controls.
Fig. 2.10. Rear view of main unit, component connection points.
12
Vacuum Port / Clamping Ring
Attachment Site
6.0 ft. PEEK Tubing
(connects to helium regulator)
2.5 ft PEEK Tubing
(connects to gas
acceleration tube)
Metering (solenoid)
Valve Power Cord
(connects to rear
of main unit)
Helium Pressure
Regulator
Adjustable
Metering Valve
Main Unit Power
Cord Socket
Over-Pressure Relief Valve
Vacuum (reinforced PVC)
Tygon ® Tubing