™/S, MOLBLOC TERMINAL OPERATION AND MAINTENANCE MANUAL
© 1995 - 2010 Fluke Corporation, DH Instruments Division
Page 74
3.4.6.2
<2Avg> (Average)
PURPOSE
To activate the AVERAGE DISPLAY and/or adjust the period of time over which
averaging occurs.
Note
See Section 3.4.6, PRINCIPLE.
OPERATION
To access the AVERAGE DISPLAY, press
[DISPLAY]
and select
<2avg>
.
The display is:
1.
Edit field for averaging period in seconds. Default is
20. Minimum 3, maximum 999.
Averaging Period:
20 s
Edit the averaging time period if desired. Pressing
[ENTER]
returns to the MAIN
run screen with the AVERAGE DISPLAY active.
With the AVERAGE DISPLAY active
the MAIN run screen is:
1.
Average flow measured over last completed
averaging period.
2.
Standard deviation of last completed
averaging period.
3.
Countdown in seconds until completion of on-going
averaging period.
* 101.99 sccm N20
δ
0.06 18 sec
The AVERAGE DISPLAY has a second screen that allows the instantaneous
flow readings to be viewed while an averaging cycle is running. This screen is
available only if the MFC control option is NOT present or OFF. If the
MFC control option is not present or OFF, pressing
[+/-]
toggles
between the MAIN run AVERAGE screen and the instantaneous values
AVERAGE screen. If the MFC control option is ON, pressing
[+/-]
accesses the MFC averaging screens. The MFC averaging screens are the
equivalent of the normal MFC screens but the values are averaged for the
averaging time. The instantaneous AVERAGE screen is:
1.
Instantaneous flow value at ’s
normal integration rate.
2.
Countdown in seconds until completion of on-
going averaging period.
3.
Current rate of change of flow in flow unit of
measure/second..
* 101.59 sccm N20
R 0.0025 18 sec
3.4.6.3
<3 Hi/Lo>
PURPOSE
To activate the HI/LO DISPLAY.
Note
See Section 3.4.6, PRINCIPLE.
