Hanna Instrument HI7031L 1413 µS/cm Conductivity Standard (500mL Bottle)

The HI7031L conductivity standard is a high-quality 1,413 S/cm standard prepared against a NIST traceable potassium chloride solution. Hanna conductivity solutions are air tight with a tamper-proof seal and have the lot number and expiration date clearly marked on the label to ensure the quality of the solution. Hanna’s conductivity standards have been specially formulated to have an unopened bottle expiration date of 5 years from the date of manufacture.

  • Each bottle has a temperature chart with the actual S/cm value at various temperatures printed on it.
  • To ensure quality, use an airtight bottle with a tamper-proof seal.