HI5036-050 is a quick calibration solution for use with Hanna’s GroLine pH and/or EC/TDS meters. Using the Quick Cal function, found in compatible meters, allows for a single point calibration for pH and/or conductivity sensors. Each bottle has the lot number and expiration date.
Zero oxygen solution for HI 9146 , HI 98186 , HI 4421 and HI 2400 Zero-point calibration for oxygen sensors for measuring dissolved oxygen , 500 ml bottle. HI 7040L has 2 mixing elements. A 500 ml bottle containing the solvent and a 35 ml vial with the reagent . The mixed solution should be used within one month .