Agilent Technologies FRG700KF25 Operating Instructions Manual page 19

Inverted Magnetron Pirani Gauge FRG-700 FRG-702
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



While depressing the pin with the cylindrical pin, adjust the <HV>
... to 4.20 V
Vent the gauge with air or nitrogen to atmospheric pressure, and wait at
least 10 minutes.
Turn the nameplate clockwise until the mechanical stop is reached.
Using the 1.5 mm screwdriver, adjust the <ATM> potentiometer ...
... to 8.60 V
Turn the nameplate back to its original position (it catches).
19
potentiometer ...
... to 5×10
or
After that, turn the potentiometer
counter-clockwise by1/3 of a turn.
... to 1×10 3
or mbar.
-4
mbar.