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.
Collect data to 250 m with the advanced EXO1 sonde and four replaceable smart sensors.
Laboratory meters for dual or multiparameter combinations of pH, ORP, conductivity, BOD and ISEs
Digital NitraVis® UVVIS sensor for Nitrate and TSS with UltraClean technology.
YSI ISA - Instrumentos e