YSIŪ 556 Multi-Probe System

The versatility of a lab, the convenience of a portable meter.

Simultaneously measures dissolved oxygen, pH, conductivity, temperature and ORP. Ideal for testing water in a variety of applications including municipal and industrial wastewater treatment plants, aquaculture, lakes, rivers, streams, groundwater and drinking water treatment facilities. 556 Multi-Probe Meter With Barometer can be user-calibrated and used in dissolved oxygen calibrations for tracking changes in barometric pressure.
Stores over 49,000 data sets with date and time stamp. Available with three different cable lengths. Housed in an impact-resistant, waterproof case. Four C-cell batteries provide up to 60 hours of power or use the Rechargeable NiMH Battery Pack for repeated use and quick recharges. Measures 4.7" x 9" and weighs 2.1 lb.