FRG-700 Inverted Magnetron Pirani Gauge
22
v
If possible perform a leak test (leak rate <10
-9
mbar l/s).
WARNING
WARNING: electric arcing
Helium may cause electric arcing with detrimental effects on the
electronics of the product.
Before performing any tightness tests put the product out of
operation and remove the electronics unit.
w
Mount the magnet unit (4) and lock it with the screw (3).
Carefully mount the electronics unit (2). (Make sure the pin of the Pirani ele-
ment is properly plugged into the corresponding hole of the electronics unit.)
Push the electronics unit up to the mechanical stop and lock it with the
hexagon socket set screw (1).
Adjust the gauge (
→
17).