Calcium reference kit HI758-11 for the Hanna HI758 Calcium checker
Contains 2 sealed bottles; 1 with the 0 reference value and 1 with a liquid that simulates a calcium of 400ppm.
- Clean both cuvettes with a soft cloth that does not scratch and hold it only by the cap. For example, there are no fingerprints that affect the test.
- Turn the checker on and place the A cuvette (clear) in the holder and press the button
- As soon as C. 2 appears in the display, change the cuvettes. Place the cuvette with the dark liquid in the container and press the button.
- The indicated value should indicate approximately between 380 and 420 pmm at 25 ° C