YSI Professional Plus - Calibration - pH

70
71
dIssolVed oxyGen
The dissolved oxygen sensors will use Probe Current (DO uA) and Probe Slope
(%/uA) as part of their GLP file records. The following information indicates
the acceptable values for each of these readings:
Polarographic DO at 25
º
C, 100% saturated air environment at 760 mmHg
Probe Current
1.25 mil PE membrane
Average 6.15 uA (min. 4.31 uA, max. 8.00 uA)
2.0 mil PE membrane
Average 3.38 uA (min. 2.37 uA, max. 4.40 uA)
1 mil Teflon® membrane
Average 16.29 uA (min. 11.40 uA, max. 21.18 uA)
Probe Slope
1.25 mil PE membrane
Average 16.26 % sat/uA (min. 12.51 uA, max. 23.23
uA)
2.0 mil PE membrane
Average 29.56 % sat/uA (min. 22.74 uA, max. 42.23
uA)
1 mil Teflon® membrane
Average 6.14 % sat/uA (min. 4.72 uA, max. 8.77 uA)
RESTORE DEFAULT
C A L I B R A T I O N VA L U E S
Occasionally, the instrument may need to have the factory calibration default
values restored. In order to accomplish this press Calibrate
, highlight
Restore Default Cal and press enter. Highlight the parameter you wish to restore
to default and press enter. Next you will be asked to confirm the operation.
Highlight Ye s and press enter to confirm.