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Operation
Flow Modes
Permeation Oven
3-12
Model 146i Instruction Manual
Zero Air
The Manual Zero Air Flow screen sets the manual zero-air flow value for
the previously selected gas. The screen identifies the minimum and
maximum acceptable zero-air flow rates based on the installed flow
controller and lets the user select a flow rate between these two settings. If
the selected zero-air flow is lower or higher than the acceptable range,
"TOO LOW" or TOO HIGH" appears on the screen.
In the Main Menu, choose Flow Modes > Gas Dilution > Gas A-F >
●
Manual > Zero Air.
MAN GAS A ZERO AIR FLOW:
OPER
Gas
The Manual Gas Flow screen sets the manual gas flow value for the
previously selected gas. The screen identifies the minimum and maximum
acceptable gas flow rates based on the installed flow controller and lets the
user select a flow rate between these two settings. If the selected gas flow is
lower or higher than the acceptable range, "TOO LOW" or TOO HIGH"
appears on the screen.
In the Main Menu, choose Flow Modes > Gas Dilution > Gas A-F >
●
Manual > Gas.
MAN GAS A GAS FLOW:
OPER
The Permeation Oven flow mode menu is used to select the permeation
oven output level (if the permeation oven option is installed). Once
selected the screen reports the new flow mode. The user must press
MINIMUM:
00400 SCCM
MAXIMUM:
10000 SCCM
SET TO:
05001
MOVE CURSOR
CHANGE VALUE
MODE
DIAGS ALARM
MINIMUM:
004.00 SCCM
MAXIMUM:
100.00 SCCM
SET TO:
050.01
MOVE CURSOR
CHANGE VALUE
MODE
DIAGS ALARM
SCCM?
SAVE
SCCM?
SAVE
Thermo Fisher Scientific
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Troubleshooting
