HI7039L is a premium 5000 µS/cm conductivity standard prepared from a NIST-traceable potassium chloride solution. The lot number and expiration date of Hanna conductivity solutions are clearly marked on the label, and feature an airtight, tamper-evident seal to ensure the quality of the solution. Hanna conductivity standards are specially formulated and have a 5-year shelf life from the date of manufacture for unopened bottles.
Temperature chart of actual µS/cm values at different temperatures printed on each bottle
Airtight bottle with tamper-evident seal to ensure quality

HI7039L is a premium 5000 µS/cm conductivity solution, standardized using a conductivity meter that has been calibrated with potassium chloride NIST 2202 SRM (Standard Reference Material) in deionized water for analysis in accordance with ISO 3696/BS3978. Other equipment used to prepare the solution includes certified weight-checked balances, Class A glassware, and certified thermometers.
Airtight bottle with tamper-evident seal
Ensures the quality and freshness of the solution
Each bottle is marked with a lot number and expiration date
Hanna conductivity standards are specially formulated and have a 5-year shelf life from the date of manufacture for unopened bottles.