Fluke PG9000 Series, Operation And Maintenance Manual

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3. GENERAL OPERATION
Page 43 © 2011 Fluke Calibration
command is given to the PG9000. The AMH and mass set are removed only when it is
necessary to access the piston-cylinder assembly.
Subsections of this section describe various aspects of AMH operation:
•
Sections 3.7.2.1 and 3.7.2.2 -- installing and removing the AMH mass handler.
•
Section 3.7.2.3 -- pressure-to-mass or mass-to-pressure operation.
•
Section 3.7.2.4 -- controlling the AMH system directly, outside of pressure-to-mass or
mass-to-pressure operation.
•
Section 3.7.2.5 -- making and breaking the reference vacuum in AMH.
•
Section 3.7.2.6 -- accessing the piston-cylinder module when an AMH is installed.
•
Section 3.7.2.7 and 3.7.2.8 -- description of the indications of the AMH LED and a
listing of AMH related error messages.
•
Section 4.3.4.2 -- controlling PG9000 equipped with AMH by remote commands from
a computer.
3.7.2.1 Installing an AMH on the PG9000 Platform

Caution
Perform an AMH initialization before loading AMH masses this
ensures that AMH binary mass pins are retracted and the flat
face of the main mass columns are facing inwards for loading.
Installing the AMH over the masses before performing an AMH
initialization risks damaging internal AMH components.
Figure 16. AMH Installation on PG9000 Platform