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Aanderaa 4330 Operating Manual
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TD 269 OPERATING MANUALOXYGEN OPTODE 4330, 4831, 4835June 2017page 22 of 93Sensor ConfigurationAfter installing the sensor turn power on and open the System Configuration from the Menu button.Select the newly installed Oxygen Optode which should appear in the list of sensors, and tap Configurein the lower part of the window.The System Configuration holds a list of output parametersthat can be enabled/disabled by the user, refer Figure 3-2.Enabled properties (Yes) are stored in the data logger:• Enable Air Saturation in engineering units.• Enable Raw data, refer chapter 2.2 .• Enable Temperature in engineering units.• Enable HumidityComp property activates compensationof vapour pressure in the calculations of the outputparameters. Enable HumidityComp can be set to No ifmeasurements are performed in dry air conditions or if youlike to perform the humidity compensation as a post-processing operation. Disabling this will typically lead to 1-3% lower readings depending on the relative humidity of theair.The absolute oxygen level, μM, is a default parameter and cannot be disabled, refer TD262a.To enable/disable a parameter:Select the output parameter from the list, press View/Edit in the lower part of the window, and change thesetting by clicking the box (box is now checked), press Save to save and close the window.We recommend that you enable all parameters in case of later use. The memory card storage capacity isnormally not a limitation for the SEAGUARD® . Raw data can be used e.g. to control calibrationcoefficients and perform quality control on the data.3.2 RedReference, Calibration Coefficients and Salinity CompensationSpecial property settings and calibration coefficients are found in User Maintenance.Open the User Maintenance from the Menu button. Select the Oxygen Optode from the list of sensors,and tap Configure in the lower part of the window. The user maintenance holds four submenus:• Node Description• Salinity setting• Calibration Coefficients• Enable RedReferenceFigure 3-2 System Configuration;Output settings. |
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