Hanna Instruments 1413 μS/cm Conductivity Standard 500mL HI7031L sponge LED 80% Lumen Maintenaince (L80):

LED 80% Lumen Maintenaince (L80): >36

1°F Temperature Accuracy ±0

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Quality Certificate Warranty 1 year

Hanna Instruments 1413 μS/cm Conductivity Standard 500mL HI7031L sponge LED 80% Lumen Maintenaince (L80):Temperature chart of the actual S cm value at various temperatures printed on each bottle Air tight bottle with tamper proof seal to ensure quality Premium quality 1,413 S cm conductivity standard that is prepared against a NIST traceable potassium chloride solution. Hanna conductivity solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hannas