Analytical-industries GPR-1900 Series Trace PPB Oxygen Analyzer Manuel d'utilisateur télécharger pdf (Page 24)

Advanced Instruments Inc.

0.000 PPM

ZERO

CALIBRTION

ENTER TO CALIBRATE

MENU TO ABORT

8. Press the ENTER key to calibrate or MENU key to abort and return to SAMPLING mode.

9. Allow approximately 60 seconds for the calibration process while the processor determines whether the signal output or

reading has stabilized within 50% of the full scale low range.

10. Both the Zero Calibrate and Span Calibrate functions result in the following displays:

PASSED

CALIBRATION

FAILED

CALIBRATION

Default Zero:

The software will eliminate any previous zero calibration adjustment and display the actual the signal output of the sensor at

any specific oxygen concentration. For example, assuming a zero gas is introduced, the display will reflect an oxygen reading

representing basically the zero calibration adjustment as described above. This feature allows the user to test the sensor’s signal

output without removing it from the sensor housing.

Procedure:

1. Access the MAIN MENU by pressing the MENU key.

2. Advance the reverse shade cursor using the ARROW keys to highlight CALIBRATION.

3. Press the ENTER key to select the highlighted menu option.

4. The following displays appear:

MAIN MENU

AUTO SAMPLE

MANUAL SAMPLE

CALIBRATION

CONFIG ALARMS

BYPASS ALARMS

>>>

CALIBRATION

SPAN CALIBRATE

ZERO CALIBRATE

DEFAULT SPAN

DEFAULT ZERO

OUTPUT SPAN

OUTPUT ZERO

5. Advance the reverse shade cursor using the ARROW keys to highlight DEFAULT ZERO.

6. Press the ENTER key to select the highlighted menu option.

7. The following display appears and after 3 seconds the system returns to the SAMPLING mode:

FACTORY

DEFAULTS

SET

3.3PPM

AUTO SAMPLING

100 PPM RANGE

24.5 C

LO1 2 PPM 10 PPM HI2

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 40 41

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Analytical-industries GPR-1900 Series Trace PPB Oxygen Analyzer Manuel d'utilisateur Page 24

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