YSI 5564 pH Kit survey it features a robust 10-year

it features a robust 10-year lithium battery and utilizes advanced infrared technology for wireless data transfer

water resource managers

the Rugged TROLL 100 measures and logs water level

Replacement parts and accessories for the 122M are available in the Solinst 122 Interface Meter Parts & Accessories collection

Up to 24 hours Li-ion runtime

YSI 5564 pH Kit survey it features a robust 10-yearField replaceable pH sensor for the YSI 556 multiparameter handheld. Swaps in without tools for a quick sensor change in the field. Used with: YSI 556 One year sensor warranty. Requires pH buffer solution for calibration. 556 Manual 556 Spec Sheet