Red Sea ReefDose
®
Calibration
The instructions in the App will guide you through a simple calibration process using the laboratory grade
ENG
measuring cylinder provided with the unit.
Make sure that the measuring cylinder is clean and dry before each measurement as any drops left inside
will affect the accuracy of the reading.
Due to the physical properties of liquids the surface of the liquid inside a measuring cylinder is flat in the
middle but rise slightly at the sides. The correct measurement is at the center (lower part) of the surface
and not the sides.
The measuring cylinder has printed graduations every 0.1ml however you should estimate the volume to
the nearest 0.05ml which is half way between the printed graduations.
Always hold the tip of the dosing tube at the center of the cylinder so that the drops do not stick to the
cylinder walls.
During the calibration process the ReefDose doses a predetermined number of rotations of the dosing head
that should give a volume of between 4 and 5ml. Once you enter the exact volume into the App it will
give a confirmation dose of exactly 4ml so that you can confirm that the calibration was done correctly. The
confirmation dose should be between 3.95 and 4.05ml. If not, you will be guided to repeat the calibration
process again.
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