Analytical Industries GPR-2000 ATEX Portable Oxygen Analyzer - Manual (Page 16)

Advanced Instruments Inc.
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MAIN MENU
AUTO SAMPLE
MANUAL SAMPLE
CALIBRATION
>>>
MANUAL RANGE
25%
10%
5%
1%
4. Advance the reverse shade cursor using the ARROW keys to highlight the desired MANUAL RANGE.
5. Press the ENTER key to select the highlighted menu option.
6. The following displays appears with the range selected and oxygen concentration of the sample gas:
MANUAL RANGE
25%
10%
5%
1%
>>>
3.3%
MANUAL SAMPLING
5 % RANGE
24.5 C
7. The display will not shift automatically. Instead, when the oxygen reading (actually the sensor’s signal output) exceeds
110% of the upper limit of the current range an OVER RANGE warning will be displayed.
8. Once the OVER RANGE warning appears the user must advance the analyzer to the next higher range via the menu and
keypad Press MENU, select MANUAL SAMPLING, press ENTER, select the appropriate MANUAL RANGE and press ENTER
again.
Start-Up is complete . . .