Test Meters & Controllers

American Marine Pinpoint pH Calibration Fluid - 10.000 Item Code: AMPH10 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. Quantity :  $CAD 1.59