Reagents for HI 717 Checker HC ®, 40 Tests

Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm

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

Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution