Specification
Name: PH Buffer Calibration Kit 
Capacity:2Pcs (25+25ml)
PH:4.00/6.86 

Main features:1.Deionized water extract is adopted to define the preparation, to ensure the accuracy of the pH value.2.Packing seal after save, cut off from the air, avoids the CO2 to pH value of the interference.3.Shelf life: one year4.Deposit: cool and avoid light seal preservation. Should be on the children can't come into contact with the place, avoid entrance and acceptance. Usage method:1.First take a small amount of correction fluid run small measuring cup, and adding suitable amount of correction fluid. (liquid level height didn't lead electrode sensor probe)2.According to the electronic pH test pen instruction manual correction.3.As a result of the correction fluid is high precision liquid, is the security of the electronic pen ph test accuracy, therefore used the correction fluid can't pour back into the bottle, lest affect accuracy of correction fluid, into the bacteria, such as correction fluid can not continue to use. Package Included:1x  PH Meter Calibration Liquid 4.001x  PH Meter Calibration Liquid 6.86