Zero/Span Averaging Time; Zero/Span Calibration Reset; Zero/Span Ratio; Instrument Controls Menu - Thermo Scientific 42i Instruction Manual

Operation

Instrument Controls Menu

Zero/Span Calibration

Zero/Span Ratio

Instrument Controls
3-24 Model 42i Instruction Manual

ZERO/SPAN AVERAGING TIME:

Zero and Span Calibration Reset are toggle items that change between yes
or no when selected, and are displayed only if Auto Calibration is set to
Reset
YES in the Instrument Configuration screen in the Diagnostics menu.
If the zero calibration reset line is set to yes, then not only is a zero check
done, but a zero adjustment is made. If the span calibration reset line is set
to yes, then not only is a span check done, but a span adjustment is made.
(This is how to set up a scheduled, recurring auto calibration.)
The Zero/Span Ratio screen is used to set the ratio of zero checks to span
checks. For example, if this value is set to 1, a span check will follow every
zero check. If this value is set to 3, there will be three zero checks between
each span check. This value may be set from 1 to 10, with 1 as default.
In the Main Menu, choose Calibration > Zero/Span Check >
●
Zero/Span Ratio.
ZERO/SPAN RATIO:
The Instrument Controls menu contains a number of items that may be
selected to control various instrument operational parameters. The software
Menu
controls listed in this menu enable control of the listed instrument
functions.
In the Main Menu, choose Instrument Controls.
●
CURRENTLY:
SET TO:

CHANGE VALUE

SAVE VALUE
RANGE AVG DIAGS ALARM
CURRENTLY:
SET TO:
 CHANGE VALUE
 SAVE VALUE
RANGE AVG DIAGS ALARM
60 SEC
90 SEC ?
1:1
2:1 ?
Thermo Fisher Scientific