Operation
Permeation Oven Setup Menu
3-28
Model 146
i
Instruction Manual
Thermo Fisher Scientific
The Model 146
i
can be equipped with an optional permeation oven. The
permeation oven supplies an internal source of calibration gas. A small
amount of zero-air flows through the permeation tube and is mixed with
the remainder of the zero-air flow in the mixing chamber. This menu in
only available if the PERMEATION OVEN option is enabled in the
INSTRUMENT CONFIGURATION menu under DIAGNOSTICS.
Note
Permeation oven temperature selection and calibration may be done
via the Service >
Perm Oven Settings
menu.
▲
●
In the Main Menu, choose
Permeation Oven Setup.
PERMEATION OVEN:
>PERMEATION K 1.000
PERMEATION RATE 1000.0
LEVEL 1 0.000 PPM
LEVEL 2 0.000 PPM
LEVEL 3 0.000 PPM
LEVEL 4 0.000 PPM
LEVEL 5 0.000 PPM
OPER MODE DIAGS ALARM
The Permeation K (constant) screen allow the user to set the multiplier for
the permeation tube for a given oven temperature. Allowable values are
0.000 to 9.999. If the values selected are lower or higher than allowed,
“TOO LOW” or TOO HIGH” appears on the screen.
Note
Changing this value may affect allowable limits for permeation
concentration levels. It is advisable to check these settings.
▲
●
In the Main Menu, choose Permeation Oven Setup >
Permeation K
.
PERMEATION K:
CURRENTLY: 1.000
SET TO: 1.00
2
?
§¨
MOVE CURSOR
©ª
CHANGE VALUE
SAVE
OPER MODE DIAGS ALARM
Permeation Oven
Setup Menu
Permeation K
Summary of Contents for 146i
Page 1: ...Model 146i Instruction Manual Dynamic Gas Calibrator Part Number 102482 00 30Jan2008 ...
Page 4: ......
Page 16: ...Contents xii Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 148: ......
Page 188: ...Troubleshooting Service Locations 6 26 Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 258: ...System Description I O Components 8 16 Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 273: ...Thermo Fisher Scientific Model 146i Instruction Manual 9 15 Figure 9 5 Bench Mounting ...
Page 274: ...9 16 Model 146i Instruction Manual Thermo Fisher Scientific Figure 9 6 EIA Rack Mounting ...
Page 275: ...Thermo Fisher Scientific Model 146i Instruction Manual 9 17 Figure 9 7 Retrofit Rack Mounting ...