sensors and should be placed under these sensors with the probe in its vertical position. When the
preparation is complete, press any key to continue. The following message appears:
Reading [1st] BUFFER Redox Temperature
-18336.3 Count 19.894 C
After few seconds during which the probe acquires and shows the redox sensor reading, the following
message appears:
Enter the BUFFER concentration value corrected for temperature
Concentration [units]:-700
The operator is requested to enter the calibration value (units) of the "REDOX Buffer" solution corrected
for the shown temperature. Calibration goes on with the next "BUFFER" until all the selected standard
solutions have been acquired.
At the end of the acquisition process, the programme automatically calculates the coefficients of the
straight line that interpolates all the acquired REDOX Buffers and shows the following message:
REDOX = a + bx
a = -0.412418
b = 0.0381531
r correlation coefficient = 1
c % of variability = 100
At the end of this procedure, the REDOX calibration values are updated and the programme shows the
list of sensors.
5.6 EXTENDED CALIBRATION PROCEDURES
Apart from the standard IDRONAUT sensors, the OCEAN SEVEN 310 probe can interface additional
probes, like:
➢ SEAPOINT - Fluorometers and Turbidity Meter.
➢ WET Labs – C-Star Transmissometer and ECO Triplet Fluorometer.
➢ LICOR – LI-192SA Underwater and LI-193SA Spherical Underwater Quantum sensors.
➢ SINGLE/THREE-CHANNEL FLUORIMETERS.
➢ TURNER DESIGNS – Cyclops-7 Fluorometers
Below are described the calibration procedures of the listed sensors. Sensors not included in the above
list are described in dedicated appendix enclosed to this manual.
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