Hach Ultra ORBISPHERE 3625, Operator'S Manual

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82 of 90 Troubleshooting - 3625 Package Analyzer
Operator Manual
ORBISPHERE
9.5.2 Diagnostic Information During the Calibrate Procedure
•
% last cal
- Percent change in calibration from last calibration
•
Vi
- Initial voltage from the sensor at the beginning of the measurement ramp, in
mV
•
Vf
- Final voltage at the end of the measurement ramp, in mV
•
Slope
- Change of sensor voltage, divided by the duration of the ramp, in mV/s
•
Temp
- Sensor temperature
•
H
2
O corr
- Contribution to Slope from humidity according to previous calibration,
in mV/s
•
Tcorr
- Contribution to the Slope from the drift of temperature, in mV/s
•
O
2
corr
- Contribution to the Slope from oxygen present in the water, in mV/s
•
O
2
- Oxygen partial pressure, in bar
% last
cal
Vi
[mV]
Vf
[mV]
Slope
[mV/s]
Temp
[°C]
H2O
corr
T corr
O
2
corr O
2
92.3 3990.5 3985.3 -0.516 12.93 -0.525 -0.000 -0.006 0.0002
93.4 3992.7 3987.5 -0.520 12.92 -0.525 -0.000 -0.006 0.0003