9V70031
CALIBRATION SOLUTION 20ML CONDUCIVITY 1413uS/cm -SACHET
It is a standard conductivity solution at 1413 μS / cm referable to NIST standards with a conductivity meter calibrated with NIST 2202 SRM ("Standard Reference Material") potassium chloride, in accordance with ISO 3696 / BS3978 standards. The sachets are made with a material that keeps the solution fresh and prepared using deionized water, Class A glass materials, certified scales and thermometers.