Reagents for HI 758 Checker HC ®, 25 Tests

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

Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm

Range 0:00 to 5:00 ppm | EPA Method 315 B | 0.01ppm resolution

Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution