Oakton pHTestr 50S Spear-Tip Waterproof Pocket Tester

Ideal for testing soft solids and semisolid materials, the pHTestr 50S features a rugged spear tip. The slender electrode fits in test tubes, micro tubes, and other narrow containers for easy pH determination. The electrode junction is 200 times larger than standard electrodes, making it virtually impossible to clog. A simple-to-navigate interface allows for fast setup and calibration. Additional features include a hold function, auto-off, self-diagnostic error messages, and a battery life indicator. IP67 waterproof. Includes storage case, lanyard, and 4 AAA batteries.