YSI 2003 Polarographic DO Sensor

Handheld meter that measures dissolved oxygen and temperature along with either pH or ORP (redox).

Rugged, reliable DO meter that is easy to operate while featuring user-replaceable sensors and cables .

Measures dissolved oxygen, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature.

Measures a variety of combinations of dissolved oxygen, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature.

The toughest, smartest and most versatile water quality meter available.