Analytical Industries GPR-2500 S Oxygen Analyzer - Manual (Page 26)

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Press the ENTER key to select the highlighted menu option.
The following displays appears:
MAIN MENU
AUTO SAMPLE
MANUAL SAMPLE
CALIBRATE
24.5 C 100 KPA
>>>
MANUAL RANGE
25%
10%
5%
1%
Advance the reverse shade cursor using the ARROW keys to highlight the desired RANGE.
Press the ENTER key to select the highlighted menu option.
The following display appears with the range selected and oxygen concentration of the sample gas:
20.9
%
MANUAL SAMPLING
25% RANGE
24.5 C 100 KPA
Return to the MAIN MENU by pressing the MENU key.
Advance the reverse shade cursor using the ARROW keys to highlight CALIBRATE.
Press the ENTER key to select the highlighted menu option.
Repeat to select SPAN CALIBRATE
The following displays appear:
MAIN MENU
AUTO SAMPLE
MANUAL SAMPLE
CALIBRATE
24.5 C 100 KPA
>>>
CALIBRATION
SPAN CALIBRATE
ZERO CALIBRATE
DEFAULT SPAN
DEFAULT ZERO
24.5 C 100 KPA
Assure there are no restrictions in vent line.
Regulate the pressure and control the flow rate as described above at 5-30 psig and a 2 SCFH flow rate.
Caution: Allow the span gas to flow and wait until the reading is stable before proceeding with
calibration. The wait time will vary depending on the amount oxygen introduced to the sensor when the gas lines
were switched.