Product Information
- High accuracy ( 0. 01 pH): standardized against NIST Certified pH references within 0. 01 pH at 25˚c (77˚f). ideal for the calibration of any pH meter
- Color-coded, double-sealed
- Expiration Date and temperature/pH reference chart provided for reference
- The 3M KCL storage solution helps keep the sensitivity and accuracy of your pH probes
- 2-Year shelf life