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Calibration
Zero/Span Schedule
Zero/Span
The Zero/Span Schedule is used to program the instrument to perform
fully automated zero and span calibration or calibration checks.
Schedule
Home Screen>Calibration>Zero/Span Schedule
Home Screen>Calibration>Zero/Span Schedule>More
Next Time
The Next Time button is used to view and set the initial date and time (24-
hour format) of the zero/span schedule. Once the zero/span schedule
begins, the date and time of the next zero/span schedule is calculated and
displayed.
Period
The Period button defines the period or interval between zero/span
schedule. Periods between 0 and 999 hours are acceptable.
Zero/Span/Purge
The Zero Duration button defines how long zero air is sampled by the
instrument. The Span and Purge Duration buttons look and function the
Duration Minutes
same way as the zero duration button. The span duration button is used to
set how long the span gas is sampled by the instrument. The purge
duration button is used to set how long the purge period will be after doing
Thermo Scientific
48iQ Instruction Manual
4-15
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