YSI® 556 Multi-Probe System

Multi-Probe System Give You the Versatility of a Lab with the Convenience of a Portable Meter

Simultaneously measures dissolved oxygen, pH, conductivity, temperature and ORP. Ideal for testing water in a variety of applications. Cables are required for use and are sold separately (Nos. 222455-222457).
556 Multi-Probe Meter (No. 222453) includes 2.00-mil PE (Polyethylene) Membrane Kit that offers a flow dependence of 18% and a response time of 18 seconds. Meter with Barometer (No. 222454) can be user-calibrated and used in dissolved oxygen calibrations for tracking changes in barometric pressure. Meter stores more than 49,000 data sets with date and time stamp. Choose from 4m (No. 222455), 10m (No. 222456) & 20m (No. 222457) long cables with DO / Temp / Conductivity. Four C-cell batteries provide up to 60 hours of power or use the Rechargeable NiMH Battery Pack (No. 222467) for repeated use and quick recharges. pH (No. 222458) and H / ORP (No. 222459) Kits available.