YSI Waterproof Dissolved Oxygen Meter

Faster Response Times with Less Stirring Dependence

The innovative, new case design means there are no worries when the instrument is used in wet weather, or if the instrument is dropped in water. The sensor has a unique stainless steel design that allows the weighted probe to sink easily. Membranes provide faster, more accurate results.
Specifications: In addition to its waterproof, impact-resistant case and field-replaceable probe, this meter has screw-on cap membranes and a 2000-hr. battery life. Displays D.O. and temperature simultaneously in either °C or °F with a built-in calibration chamber and manual salilnity input from 0–70ppt. Calibrate in mg/L or % saturation. Available with your choice of 12'L, 25'L, 50'L or 100'L cable. Comes with four alkaline C-cell batteries providing 2000 hours of battery life. Measures 4.7"W x 9"L and weighs 2 lbs.
Compliance:IP-67.