GFS2102™ OPERATION AND MAINTENANCE MANUAL
© 2007 DH Instruments, a Fluke Company
Page 78
Table 24.
Tare molbox Fields
LABEL
DESCRIPTION
Red/Green Circular
Ready Indicator
This indicator is green only when the pressure rate of change is within the molbox’s
internal tare rate criterion. In this state, the
<Tare>
button is enabled. When the
indicator is red, the
<Tare>
button is disabled.
Pressure Rate (Pa/s)
Current differential pressure rate of change.
Differential Pressure
(Pa)
Non-tare corrected differential pressure. After taring, this pressure value should be
equivalent to the
<Previous Tare>
display.
Previous Tare (Pa)
Value of the old tare. This value is updated each time the tare button is pressed.
Microrange Pressure
(Pa)
Curent molbox RFM microrange option pressure. If the microrange is not supported by
the molbox, this field displays as N/A. After taring, this pressure value should be
equivalent to the
<Previous Microrange Tare>
display.
Previous Microrange
Tare (Pa)
Value of the old microrange tare. If the microrange is not supported by the molbox,
N/A is displayed
Downstream
Pressure
Instantaneous downstream pressure. This value is corrected by 1/2 of the current tare
value.
Upstream Pressure
Instantaneous upstream pressure. This value is corrected by 1/2 of the current tare value.
5.1.5.11
MFC-CB RUN SCREEN
If a MFC-CB is used to measure the output of a DUT or to control flow by
supplying an analog set point, the
MFC-CB
run screen is an available run screen
choice. The run screen displays a real time update of analog output information
on the MFC-CB channels that are in use. The
MFC-CB
run screen can be very
useful for troubleshooting.
Table 25
provides information on each field of the
MFC-CB OUTPUT
run screen.
Use the Target Flow field on the GFS Run Screen to change the flow set point
of a controller. The ability to change the analog set point of the MFC-CB using the
MFC-CB run screen is provided for troubleshooting purposes.
Only MFC-CB channels specifically activated during Test Initialization are
enabled on the MFC-CB run screen.
Figure 49.
MFC-CB Run Screen