YSI is a developer and manufacturer of sensors, instruments, software, and data collection platforms for environmental water quality monitoring and testing. Reaching beyond our products, we build relationships with our customers through our dedicated customer service, including technical applications and service support.
Laboratory meters for dual or multiparameter combinations of pH, ORP, conductivity and BOD
Handheld single, dual or multiparameter meter for measuring dissolved oxygen, pH, ORP, conductivity, and ISEs for field use or lab BODs.
Digital NitraVis® UVVIS sensor for Nitrate and TSS with UltraClean technology.
Other YSI Divisions
YSI ISA - Instrumentos e