556 MPS Handheld Multiparameter Instrument

The YSI 556MPS simultaneously measures dissolved oxygen, pH, conductivity, temperature, and ORP. Or, simply purchase the cable to measure DO, conductivity, and temperature if needed. The YSI 556 MPS conforms to GLP standards, waterproof IP-67, impact-resistant case.

• Field-replaceable DO, pH, and pH/ORP probes
• IP-67 with 3-year warranty
• The unit is powered by alkaline batteries or an optional rechargeable battery pack
• Optional internal barometer, used in dissolved oxygen calibrations
• Cable options range from 4-, 10-, 20- meter
• RS-232 Interface for PC connection