Oakton's® Spear pHTestr 50S Waterproof Pocket Tester offers a rugged spear tip, ideal for softsolid and semisolid like meat, cheese and fruit. The long, thin electrode may be used to measure pH in test tubes and other narrow containers. Clogging is nearly impossible with the large junction electrode, which is 200 times the size of standard electrodes. A simple interface provides for quick setup and calibration.
Calibration Buffer Solutions Sold Separately. Click here to purchase.