| PINPOINT™ High-Precision pH Calibration Fluids 4.000 +/- 0.002 7.000 +/- 0.002 10.000 +/- 0.005
These come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration (about 30 ml). There is a free sample of these included with each PINPOINT pH Monitor™and PINPOINT pH Controller™. All electronic pH instruments should be calibrated monthly.
The pH 7.000 and 10.000 are available in single packets and packs of 10. |