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- Turn the meter on by pressing the button, all segments will be displayed. When the display shows "Add", "C.1" with "Press" blinking, the meter is ready.

- Add 1ml of Reagent A to the cuvette using the syringe with the white plunger. Use the dropper to fill thecuvette to the 10 ml marl with deionized water and replace the cap. Invert 3-5 times to mix.

- Place the cuvette into the meter, close the lid and press the button. When the display shows "Add", "C.2" with "Press" blinking the meter is zeroed.

- Remove the cuvette from the meter and unscrew the cap. Add 0,1 ml of sample to the cuvetteusing the syringe with the green plunger.

Note: Foe improved accuracy fill the syringe to the 1 ml mark and dispense 0,1 ml by lowering the plunger to the 0,9 ml mark.

- Add 1 packet of Reagent B. Replace the cap and shake vigorously for 15 seconds or untill the powder is completely dissolved. Allow airbubbles to dissipate for 15 seconds before taking a reading.

- Place the cuvette back into the meter and close the lid. Press the button. The meter displays concentration in ppm of calcium.

(The meter automatically turns off after 10 minutes)

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