Cole-Parmer® Environmental Express® Oakton® PH250 Waterproof pH & ORP Handheld Meter, -2-16 pH, ±0.01 Accuracy

This rugged and waterproof handheld meter (IP67 rated) is designed for accurate pH, ORP (mV), and temperature measurements in a variety of environments. It features a large backlit LCD that provides clear readings, along with indicators for electrode status and stability. The device includes automatic temperature compensation and can store up to 500 data points. User-friendly, it supports USA, NIST, and DIN buffer calibrations and boasts a long battery life of up to 500 hours. Additional practical features include auto-hold and auto-stable functions, a built-in stand, and electrode holders. This makes it an ideal portable solution for reliable electrochemical analysis.