Fundamental for accurate conductivity measurement.
Factory calibrated with potassium chloride NIST 2202 SRM (Standard Reference Material) in deionized water for analytical use in accordance with ISO 3696/BS3978.
Sealed against light and air.
Ideal for on-the-spot calibration
Simply open, insert the tester or electrode into the sachet and calibrate
Each 20 mL sachet is marked with lot number and expiration date.
A temperature chart of the actual µS/cm value at various temperatures is printed on each sachet.