HI7041x Refilling Solution for Polarographic Probe

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

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

Range 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution