Reagents for HI 764 Checker HC ®, 25 Tests

Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm

Reagents for HI 755 Checker HC ®, 25 Tests

Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb

The HI 764 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI 764 Checker®HC, press the button and read the results. It’s that easy.