HANNA HI 9146-04

This Hanna dissolved oxygen ( DO) meter is a durable, economical meter that is great in the field. Accurately test groundwater in wells and other tight spaces without damaging the membrane due to the protective cover for the polarographic probe. The unit offers automatic temperature compensation plus manual compensation for altitude and salinity, and the temperature range is indicated in Celsius from 0 to 50° C with 0.1 resolution. The meter includes a probe with cable and protective sleeve, two spare membranes, a 30mL electrolyte solution, four AA batteries, and hard carrying case.