Oakton pH Calibration Buffer Pouches, pH 7.00, 20/pk

Buffers are traceable and offer ±0.01 accuracy at 77 °F (25 °C). Pack of 20 pouches.

pH 7 is a common mid-range pH meter calibration point. All Oakton pH buffer solutions are manufactured under ISO 9000 quality guidelines and traceable to NIST standard (for meters with 0.01 resolution). A pH/temperature table is printed on the label for accurate calibrations.

• Single-use pouch—just tear, dip, calibrate
• Available in common pH values 4, 7, and 10
• Standardized to NIST-traceable pH references
• NIST/USA buffer value of 7.00 traceable to NIST standard reference materials
• 1 year warranty