The NDHI 758 Calcium Checker®HC is extremely simple to use. First, zero the instrument by adding Reagent A and deionized water. Insert into the NDHI 758 and press the button. Next, remove the vial and add Reagent B and shake to dissolve. Reinsert into the Checker®HC and press the button to read the calcium concentration in ppm on the display.
Weighing a mere 64 g (2.25 oz.), the Checker®HC easily fits into the palm of your hand or pocket!.
The NDHI 758 Calcium Checker HC is supplied with 2 sample cuvettes and caps, reagents for 15 tests, (1)1.5V AAA battery, and instruction manual.