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Gas Span Selection
Gas Manual Flow
Thermo Fisher Scientific
The Gas Span Selection screen is used to select the span level and flow for
the previously selected gas. Once selected the screen reports the new flow
mode. The user must press
message "SAVING" is displayed for 3 seconds, then removed.
In the Main Menu, choose Flow Modes > Gas Dilution > Gas A-F >
●
Zero or Span 1-5.
GAS A SPAN SELECTION:
ZERO
SPAN 1
>SPAN 2
SPAN 3
SPAN 4
SPAN 5
MANUAL
OPER
MODE
FLOW MODE GAS A SPAN 2:
GAS CONC:
TFLOW:
SAVE FLOW MODE
OPER
MODE
The Gas Manual Flow screen displays the zero-air and gas flows, and lets
the user manually set the zero-air and gas flows.
In the Main Menu, choose Flow Modes > Gas Dilution > Gas A-F >
●
Manual.
MANUAL SELECTION:
>ZERO AIR
GAS
OPER
MODE
to accept and activate these settings. The
0.000 PPM
0.020 PPM
2.000 PPM
0.000 PPM
0.000 PPM
0.000 PPM
DIAGS ALARM
100.000 PPM
1000 SCCM
SAVING
DIAGS ALARM
10000 SCCM
100.00 SCCM
DIAGS ALARM
Operation
Flow Modes
Model 146i Instruction Manual
3-11
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Troubleshooting
