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AccuPyc 1330
3.
4.
5.
6.
7.
8.
9.
10. Press
11. Observe the pressure display. After an equilibration period (about 20 to
September 1996
If the system has been open, manually purge the system before proceed-
ing as follows:
a. Press
8
to open the expansion valve and
vent valve. (The indicator above the key is turned on when the valve
is open.)
b. Press
7
to open the fill valve and fill the sample chamber to
the desired pressure.
c. Press
7
to close the fill valve and
valve.
d. Repeat this procedure two or three times.
e. Press
8
to close the expansion valve.
Press
7
to open the fill valve.
Fill the sample chamber to 19.5 psig.
Press
7
to close the fill valve.
Observe the pressure display. After an equilibration period (about 20 to
30 seconds), the pressure should not vary more than 0.005 psig/min.
•
If the pressure does not vary more than 0.005 psig/min, proceed to step
8.
•
If the pressure varies more than 0.005 psig/min., temperature instability
or a leak may be indicated. Vent the system, then repeat steps 4 through
7 several times to verify that a leak is indicated. If a leak is indicated,
call a Micromeritics Service Representative.
Press
8
to open the expansion valve and
valve.
Fill the chambers to 19.5 psig.
7
to close the fill valve.
30 seconds), the pressure should not vary more than 0.005 psig/min.
If the pressure varies more than 0.005 psig/min, temperature instability
or a leak may be indicated. Vent the system, then repeat steps 8 through
11 several times to verify that a leak is indicated. If a leak is indicated,
call a Micromeritics Service Representative.
Maintenance
9
to close the
9
to open the vent
7
to open the fill
5-17
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