HI7041x Refilling Solution for Polarographic Probe

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

Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution

Range 0:00 to 7:00 g / L | Photometric Method | Resolution 0.01g / L