Use this conductivity standard solution to calibrate conductivity testers such as the HI 98311 Hanna DiST 5 and the HI 98129 Hanna Combo pH/EC/TDS/Temperature Tester. Low Range NIST traceable to conductivity meter standardized with high purity NIST Potassium Chloride solution.
Supplied in 460ml poly bottle labeled with lot number and expiration date. Each label also has a conductivity value versus temperature chart.