Micromeritics AccuPyc 2 1340, Operator'S Manual

Page: 47 / 158

AccuPyc II 1340 System Commands
Aug 2013 3-13
Enables you to choose the manner in which to end the
pressure measurement.
Choices: Equilibrate, Fixed interval
Press
CHOICE
to make your selection, then press
ENTER
.
Does not display for Fixed
Interval
Displays when you select Equilibrate at the P1, P2 end by?
prompt; pressure measurement will end when the entered rate
is obtained. Enter the equilibration rate and press
ENTER
.
Range: 0.0001 to 9.0000 psig/min
0.0007 to 62.05 kPag/min
A high rate will produce faster results, but results may not be
as precise as desired. The lowest rates may cause errors when
some materials (such as those with appreciable vapor
pressures or organics) are analyzed.
Does not display for Equilibrate
Displays when you select Fixed interval at the P1, P2 end
by? prompt; pressure measurement ends when the specified
time is reached. Enter the interval time and press
ENTER
.
Range: 10 to 99999 s (seconds)
The run precision feature enables early termination of the
analysis when certain criteria are met.
Choices: Yes, No
When you select Yes , the analysis terminates after five
consecutive cycles are within the specified tolerance. Always
request a large number (50 to 99) of runs. If you select a
small number of runs, the analysis stops when the number
you entered is reached even though the specified tolerance
has not been met.
Select Yes or No , then press ENTER .
Unit[n] SN1234 10 cm3
Analysis Parameters
P1, P2 end by?
Equilibrate
Unit[n] SN1234 10 cm3
Analysis Parameters
Equilibration Rate:
0.005 psig/min
Unit[n] SN1234 10 cm3
Analysis Parameters
Interval Time:
60 s
Unit[n] SN1234 10 cm3
Analysis Parameters
Use Run Precision?
No