6 ADS420 | DISSOLVED OXYGEN SENSOR | OI/ADS420-EN REV. B
3 Sensor setup menu
Dissolved oxygen
Menu Comment Default
Tag
on the Operator Pages.
Measurement Type Select the required probe type:
• Dissolved Oxygen / % Saturation
Note. If a change is made the I/O sources are reset.
Dissolved Oxygen
Units Select the measurement units:
• mg/L / ppm
ppm
PV Resolution Select the PV Resolution:
• Normal / High
Normal
Range High Set the span value in Chart and Bargraph views.
Range Low Set the zero value in Chart and Bargraph views.
Filter Type Select the signal filtering type:
• None / Low / Medium / High
None
Salinity Unit Select the required salinity units:
• PSU (Practical Salinity Units) or ppt (parts-per-thousand).
PSU
Salinity Correction Required when monitoring water containing high quantities of dissolved salts:
•
•
Pressure Unit Select the required barometric pressure units:
• mbar / mmHg
mbar
Barometric Pressure Barometric pressure compensation.
If the barometric pressure is unknown, leave at the default sea-level value of
Slope Limit N/A
Offset Limit N/A
Reset To Defaults Select to reset all Sensor Setup parameters to their default values. N/A
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