Calibration - Thermo Scientific 146i Instruction Manual

Calibration

Calibrate Zero
Thermo Fisher Scientific
RESTORE DEFAULT CAL:
OPER MODE DIAGS ALARM
The Calibration menu is used to calibrate zero and span.
In the Main Menu, choose Photometer Setup > Calibration.
●
The Calibrate Zero screen is used to automatically adjust the O
background, or perform a "zero calibration". Before performing a zero
calibration, ensure the analyzer samples zero air for at least 5 minutes.
It is important to note the averaging time when calibrating. The longer the
averaging time, the more accurate the calibration will be. To be most
accurate, use the 300-second averaging time.
In the Main Menu, choose Photometer Setup > Calibration > Cal
●
Zero.
RESTORE
CALIBRATION:
>CAL ZERO
CAL O3 COEF
OPER MODE DIAGS ALARM
O3 BACKGROUND:
O3:
CURRENTLY:
SET O3 TO ZERO
OPER MODE DIAGS ALARM
RESTORE DEFAULT CAL:
ARE YOU SURE YOU WANT
PRESS TO CONFIRM RESTORE
OPER MODE DIAGS ALARM
0.0000
0.0000
Model 146i Instruction Manual
Operation
Photometer Setup Menu
RESTORE
TO?x
3
3-35