This calibration bundle is ideal for customers who require high accuracy and resolution out of their meters. Since the buffers are certified to within ±0.002 pH units, users can accurately measure in the thousandths place on their meters (0.001).

• pH 4.010, pH 7.010, & pH 10.010 (500 mL) - HI6000 Series
• Electrode Storage Solution (500 mL) - HI70300L
• General Purpose Cleaning Solution (500 mL) - HI7061L