MS-301 Multi parameter Water Quality Sensor
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“deviation” to calibrate the factor and deviation value.
6.1.8.2 Chlorophyll Sensor Calibration
From the calibration menu, select the “chlorophyll” option to enter the chlorophyll calibration procedure,
as shown in the figure below, and then ready to start calibration.
Chlorophyll calibration typically uses a two-point calibration.
The specific calibration steps are as follows:
1. Place the clean and dry chlorophyll sensor Sensor in a clean calibration container filled with distilled
water. The Sensor should be at least 2 cm below the solution and the Sensor mirror should be free of air
bubbles. When the AD value in the software interface is stable, click “Zero Calibration” in the
“Calibration” box. Rinse the wiper sensor and calibration container after calibration is complete.
2. For "Solution calibration" we need a standard water sample with known chlorophyll concentration.
There are usually two standards that can be used: A. Water samples with known chlorophyll content
obtained by
water and seawater standard test methods
; B, 0.3 mg/L Rhodamine B stain solution.
Remove the Sensor from the distilled water and wipe it into a calibration container containing 0.3 mg/L of
Rhodamine B stain solution or water sample. The Sensor should be at least 2 cm below the solution, and
the Sensor mirror should not have air bubbles.
When the AD value in the software interface is stable, enter the chlorophyll value of 0.3 mg/L Rhodamine
B stain solution at the corresponding temperature in the “Calibration” box (0.3 mg/L rhodamine B as a