Extech PH103 pH Buffer Solutions, 20Pk, includes pH 4, 7, 10 Rinse

Product Highlights

• Easy to use, already made fresh pH buffers for calibration
• Helpful table printed on the pouch shows what the pH value should be vs. the temperature of the buffer solution measured
• Rinsing solution used for cleaning off the pH electrode after taking the next measurement from a different solution to prevent contamination
• Convenient pouch eliminates the need for a cup to store buffer or rinsing solution

Each Unit Includes

• 6 pouches each of pH 4, 7 and 10 buffers
• 2 Rinse solutions