Apera Instruments AI1112 8 oz. pH/Conductivity Calibration Solution Kit (pH 7.00, 4.00, 10.01, 1413 µS/cm, 12.88 mS/cm, 84 µS/cm)

The Apera Instruments AI1112 pH/EC Calibration Buffer Solution Kit includes three 8oz bottles of pH buffer solutions (pH 4.00, pH 7.00, and pH 10.01), three 8oz bottles of conductivity (EC) standard calibration solutions (1413 μS/cm, 12.88 mS/cm, 84 μS/cm), one 4oz bottle of 3M KCL storage solution for pH/ORP electrodes, plus one piece of Apera's unique CalBox, which helps users to organize all the solutions in one place and create no more mess in the calibration process.

Features:

• Standardized against NIST-certified references at 25°C (77°F), ideal for the calibration of all types of pH and conductivity meters
• Double-sealed, 2-year shelf life for the pH buffers; 1-year for the conductivity solutions.
• The 3M KCL Storage Solution helps keep the sensitivity and accuracy of your pH electrodes
• CalPod included for easy organization of solutions and streamlining calibration process
• All the buffer solutions are standardized against NIST-certified references at 25°C (77°F). It's ideal for the calibration of all kinds of pH/conductivity meters. Since pH and conductivity value are affected by temperature, the temperature & pH/conductivity reference charts are provided on the bottle labels for reference. 
• All the solutions are double-sealed, not subject to the DOT shipping restrictions. The expiration date is printed on the bottle. 2-year shelf life for the pH buffers, 1-year for the conductivity solutions.

Note: Store at room temperature and away from direct sunlight. Keep the bottle tightly closed when not in use. Keep out of reach of children.