PG7000™ OPERATION AND MAINTENANCE MANUAL
© 1998-2008 DH Instruments, a Fluke Company
Page 104
5.
0.8 kg mass
: Single tubular, binary mass.
6.
0.4 kg mass
: Single tubular, binary mass.
7.
0.2 kg mass
: Single tubular, binary mass.
8.
0.1 kg mass
: Single tubular, binary mass.
9.
Trim
masses
: Every standard mass set has a trim mass set made up of
masses from 50 to 0.01 g. These masses are NOT defined and entered as
part of the mass set.
When PG7000 provides mass loading instructions and calculates the true
mass of the mass currently loaded, it assumes that the mass set in use has been
set up correctly and that masses have been loaded following PG7000 mass loading
protocol (see Section 3.6). For PG7000 mass loading protocol to operate properly,
the mass set in use must be EXACTLY the mass set that has been defined by the
add and/or edit mass function. No extra mass can be included, no mass used can be
missing and the sequential numbers of masses in each mass group must be followed
with the correct true mass value entered for each individual mass. Using a mass set
that is not accurately set up may result in out of tolerance pressure definitions.
Though the piston and the mass loading bell constitute part of the mass load,
they are not included in the definition of a mass set. Also, one PG7000 system may be
used with several piston-cylinder modules, mass loading bells and mass sets.
Therefore, the piston mass and mass loading bell mass information are not part of
the mass set. Piston mass information is defined and stored in the piston-cylinder
module file (see Section 3.11.1.1) and mass loading bell information is defined and
stored in a separate mass loading bell files (see Section 3.11.1.11). In an AMH mass
set, the binary mass carrier and mass lifting shaft are considered part of the bell.
OPERATION
Mass set information is element specific metrological data. Uninformed or
accidental altering of this information may lead to out of tolerance measurements.
Mass set information should only be edited by qualified personnel as part of the
PG7000 calibration or recalibration process.
To use the create or edit mass set function with a manual mass set, it is
important to have an understanding of mass set structure and mass groups.
Consult Section 3.6, PRINCIPLE, to familiarize yourself with this information before
attempting to create or edit a mass set. Before creating or editing an AMH
automated mass handler mass set, see the AMH-38/AMH-100 Operation and
Maintenance Manual.
PG7000 can store up to 3 MS (mass set) files. When <3add> is selected and
all the files have already been used, a warning is displayed. A mass set must be
deleted before a mass set can be added.
