Restore Default Flow Calibration - Thermo Scientific 48i Instruction Manual

Operation
Service Menu
Restore Default Flow
Sample/Reference
3-82 Model 48i Instruction Manual
Note An independent flow sensor is required to read the flow, then the
operator enters the flow value on this screen to perform the calibration.
Note Wait at least 30 seconds for the reading to stabilize before saving the
value. ▲
In the Main Menu, choose Service > Flow Calibration > Span.
●
The Restore Default Flow Calibration screen allows the user to reset the
flow calibration configuration values to factory defaults.
Calibration
In the Main Menu, choose Service > Flow Calibration > Set Defaults.
●
RESTORE DEFAULT CAL:
RANGE AVG DIAGS ALARM
Initial
The Initial Sample/Reference (S/R) Ratio screen displays both the initial
S/R ratio and the current S/R ratio. The initial S/R ratio is determined at
the factory, and is used to correct for the slight variations found from one
Ratio
correlation wheel to another. The only time the initial S/R ratio should be
changed is when the correlation wheel is replaced or sample/reference is
between 1.14 and 1.18.
Note This adjustment should only be performed by an instrument service
technician.
In the Main Menu, choose Service > Initial S/R Ratio.
●
CALIBRATE FLOW SPAN:
CURRENTLY: 0.800 L/min
SET TO: 0.750
 MOVE CURSOR

CHANGE VALUE
RANGE AVG DIAGS ALARM
RESTORE
▲
L/min ?
SAVE
RESTORE DEFAULT CAL:
ARE YOU SURE YOU WANT
PRESS  TO CONFIRM RESTORE
RANGE AVG DIAGS ALARM
▲
RESTORE
TO?x
Thermo Fisher Scientific