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Operation
Flow Modes
Photometer
3-20
Model 146i Instruction Manual
than the acceptable range, "TOO LOW" or TOO HIGH" appears on the
screen.
In the Main Menu, choose Flow Modes > O3 > GPT/Photometer
●
Control > Gas A-F > Level 1-5 > Manual > Zero Air.
MAN GAS A ZERO AIR FLOW:
MINIMUM:
MAXIMUM:
SET TO:
CHANGE VALUE
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 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 > O3 > GPT/Photometer
●
Control > Gas A-F > Level 1-5 > Manual > Gas.
MAN GAS A GAS FLOW:
MINIMUM:
MAXIMUM:
SET TO:
CHANGE VALUE
OPER
The Photometer flow mode menu is used to select the photometer
measurement mode. Available choices include: PHOT OFF, PHOT INT,
and PHOT EXT. Ozonator control mode may not be selected from this
screen, and must be selected via the ozonator screen. If the instrument is in
control mode a warning will display "IN OZONATOR CONTROL
MODE". Once a choice is selected the screen reports that the new mode
has been accepted and activated. The message "SAVING" is displayed for 3
seconds, then removed.
In the Main Menu, choose Flow Modes > Photometer.
●
00400 SCCM
10000 SCCM
01001
MOVE CURSOR
MODE
DIAGS ALARM
004.00 SCCM
100.00 SCCM
050.01
MOVE CURSOR
MODE
DIAGS ALARM
SCCM?
SAVE
SCCM?
SAVE
Thermo Fisher Scientific
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Troubleshooting
