HI7031L – EC 1413 µS/cm@25°C – 500ml

TDS (total dissolved substances) solution 1382 mg / L (ppm) for calibration with certificate of analysis. Individual portions - convenient & always fresh & no contamination risk.

Standard-Lösung TDS 800 mg/L (ppm) - 25x 20ml - mit Analysenzertifikat. Einzelportionen - praktisch & immer frisch & keine Kontaminations-Gefahr.

Conductivity Solution 80000 µS/cm for Calibration., 500 ml