6920 V2-2 Multiparameter Water Quality Sonde

6-Series sondes are going away. Read about the discontinuation at YSI.com/6-series The V2 sondes represent a proven generation of multi-parameter sondes from YSI. Perfect for harsh fouling environments, YSI's optical sensors feature an integrated wiper that prevents the impacts of biofouling, a corrosion-resistant titanium wiper shaft, and replaceable seals.The YSI 6920 V2-2 sonde features an internal battery pack with memory for long-term, unattended deployments. Additionally, the sonde can be powered by a 650 display unit for spot sampling applications.Features:- Internal battery pack & memory for long-term, unattended deployments- All sensors are field-replaceable, and optical sensors feature self-cleaning wipers- Compatible with real-time data logging systemsThe YSI 6920 V2-2 has the following available ports:- (1) Temperature/Conductivity- (1) pH or pH/ORP- (1) ISE (Nitrate, Ammonium, and Chloride)- (2) Optical (Dissolved Oxygen, Turbidity, Chlorophyll, Blue-Green Algae, and/or Rhodamine)