Aztec 600 Ammonia Analyzer
The Aztec 600 Ammonia Analyzer AW632 offers reliable and accurate on-line analysis of ammonia and ammonium ions up to 3 ppm NH3.
6920 V2 Sonde
The YSI 6920 V2 sonde is an economical logging system, ideal for long-term in situ monitoring and profiling.
YSI IQ SensorNet 2020 XT
The YSI IQ SensorNet 2020 XT is a modular water quality system for complete process control designed for wastewater. The 2020 XT network can accept additional sensors easily at any time and grow as your facility grows.
ULTRAPEN™ PT3 ORP/REDOX & Temperature Pen
This instrument is designed to be extremely accurate, fast, and simple to use in diverse water quality applications.
556MPS Handheld Multiparameter Instrument
Rugged, reliable and waterproof, the YSI 556 MPS (Multiprobe System) combines the versatility of an easy-to-use, easy-to-read handheld unit with all the functionality of a multiparameter system.
Capital Controls® Series WP840 Gas Feeders
Easy to install for indoor installation, each Series WP840 wall panel is factory tested and needs no field adjustment prior to start-up. Six different flowmeter capacities ranging from 10 to 500 PPD (200 g/h to 10 kg/h) provide versatility in meeting gas flow requirements.
Multiparameter Monitoring Systems
YSI is your one-stop source for environmental monitoring systems, offering multiparameter instruments and accessories for most unattended monitoring, water quality sampling, profiling and logging applications.
Signet 2250 Hydrostatic Level Sensor
The Signet 2250 Hydrostatic Level Sensor for level and depth control has a one-piece injection molded PVDF body and ceramic diaphragm for superior compatibility in corrosive liquids
TruLab 1320 And 1320P Laboratory Benchtop Meters
The YSI TruLab® line includes the 1110 (single channel), 1310 and 1310P (single channel) and 1320 and 1320P(dual channel) instruments providing easy-to-use and calibrate instruments ideal for the laboratory.
Real UV254 M3000 Series
Our M3000 model was our first continuous UV254 monitor, and is suited for most general water quality installations.