Analytical Industries GPR-1600 Series Trace PPB Oxygen Analyzer - Manual (Page 40)

Advanced Instruments Inc.
40
Procedure – Span Calibration
The analyzer is online in the Auto Range mode as described above.
Review the Intervals, Online Recovery Time, Span Gas Selection, Type of Sensor, Span Calibration Adjustment and Menu
sections above, before proceeding.
Allow the analyzer reading to stabilize, Advance the cursor (*) to the “Span” option as illustrated and press the green ENTER
key to accept the selection.
MAIN MENU
Sample
* Span
Zero
Alarm
System
Standby
Sample
1.00 PPM
Auto Range
85⁰F 100Kpa 0 to 10 PPM
12/31/07 12:00:00
The following menu appears:
SPAN Sample
* Factory Default
Calibrate
Auto Range 0 to 10 PPM
85⁰F 100Kpa 12/31/07 12:00:00
Advance the cursor (*) to the Factory Default Span option and press ENTER.
Within seconds the system returns to the MAIN MENU in the “Sample” mode.
MAIN MENU
Sample
* Span
Zero
Alarm
System
Standby
Sample
1.00 PPM
Auto Range
85⁰F 100Kpa 0 to 10 PPM
12/31/07 12:00:00
At this point, the user must decide whether to perform a Span Gas or Air Calibration, see above.
Note: If the analyzer is to calibrated with instrument or compressed air follow the Span Gas Calibration procedure below.