Thermo Scientific 146i, Instruction Manual

Page: 56 / 340

Operation
Flow Modes
3-14 Model 146 i Instruction Manual Thermo Fisher Scientific
Once selected the screen reports the new flow mode. The user must press
to accept and activate these settings. The message “SAVING” is
displayed for 3 seconds, then removed.
●
In the Main Menu, choose Flow Modes > Permeation Oven > Gas Mix
> Gas A-F >
Zero or Span 1 - 5.
GAS A SPAN SELECTION:
ZERO 0.000 PPM
SPAN 1 0.020 PPM
>SPAN 2 2.000 PPM
SPAN 3 0.000 PPM
SPAN 4 0.000 PPM
SPAN 5 0.000 PPM
MANUAL
OPER MODE DIAGS ALARM
FLOW MODE GAS A PERM MIX:
GAS CONC: 02.00 PPM
PERM CONC: 0.100 PPM
TFLOW: 1000 SCCM
SAVING
ƒ SAVE FLOW MODE
OPER MODE DIAGS ALARM
The Permeation Oven Gas Manual Flow screen shows the zero-air and gas
flows and is used to manually set them for the previously selected gas. 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 > Permeation Oven > Gax Mix
> Gas A-F >
Manual.
MANUAL SELECTION:
>ZERO AIR 10000 SCCM
GAS 100.00 SCCM
OPER MODE DIAGS ALARM
Permeation Oven Manual
Flow