YSI ProDSS - Manual (Page 36)

34
Calibration
Alternately, pH, ORP, and conductivity calibrations can be completed in a beaker or other container using the same
basic procedure described above. Make sure that the temperature sensor and the sensor to be calibrated are
completely submerged. When submerging the conductivity sensor, make sure that the calibration solution covers the
vent hole on the side of the conductivity sensor and there is at least 25.4 mm (1 in) distance between the sides and
bottom of the calibration container and the conductivity probe.
Calibration cup installation
1. Make sure the calibration cup gasket is correctly seated ( Figure 44 ). Loosely install the retaining nut on the
calibration cup.
2. Slide the calibration cup over the sensors and sensor guard.
3. Tighten the retaining nut.
1
2
3
4
5
Figure 44 Calibration cup standard volume
1 Fill line one (used for Turbidity, pH,
and ORP calibration solution)
4 Retaining nut
2 Fill line two (used for conductivity
calibration solution)
5 Calibration cup installed
3 Gasket