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Percent Oxygen Analyzer
4.8.2 Span Cal
The Span button on the Menu screen is used to span calibrate the
analyzer. Span calibration can be performed using the automatic mode,
where an internal algorithm compares consecutive readings from the
sensor to determine when the output matches the span gas concentration.
Span calibration can also be performed in manual mode, where the
operator determines when the span concentration reading is acceptable
and manually exits the function. Make sure the appropriate span gas
source is connected to the analyzer. See Section 3.3.1.
4.8.2.1 A
M
UTO
ODE
Press Span to enter the span function.
Menu screen:
The screen that appears allows you to select whether the span
calibration is to be performed automatically or manually.
This screen also allows the operator to set the time the analyzer
should be held in the span mode after the readings of the analyzer settle.
Five minutes is the default, but it could be adjusted anywhere from 1 to
60 minutes by user.
This screen is also used to enter the span concentration of the
calibration gas.
Teledyne Analytical Instruments
S
PANNING
Operation
95
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