Thermostar - Pfeiffer Vacuum OmniStar GSD 300 O1 Operating Manual

8.2.2 ThermoStar™

Preconditions
•
Unit switched off
•
Capillary detached from the measurement point
Required tools / material
• Capillary cutting tool (recommended →
or cutting blade
•
Wrench 1/4" (6.5 mm)
•
Supplied Allen wrench
•
Quartz capillary, ferrule, possibly coupling (→
Preparing the new capillary
A
Do not exert pressure.
Note the position of the end A, which is clean now.
BG 805 071 BE (9904) GSD300.om
2
36)
2
36)
B
Define length (tube length +
30 cm + length required for
measurement point, e.g.
thermobalance)
Carefully notch the
capillary at A
Quartz capillaries
may splinter.
Wear protective
glasses.
Break the capillary
at the point notched
previously
Removing the old capillary
Detach capillary at the measurement point
Unlock the cover
Remove the cover
Hot surface.
First allow the
gas inlet to cool
off.
Remove the
insulation cover
Open the cover
Do not
tear the
capillary.
Troubleshooting 31