Thermo Orion 3-Star DO Meter

Stores up to 200 data points!

This durable, waterproof IP67 Meter stands up to demanding field applications and gives you more than 2000 hours of continuous use. It's easy to use with just three buttons. Meter features salinity correction, automatic barometric pressure compensation and simultaneous display of DO and temperature measurements. Stores up to 200 data points by time, stability or manual read with time/date stamp. Automatically optimizes accuracy, precision and response time. Bright, backlit display is easy to read. Calibration log records the last 10 calibrations.

You can get the DO Meter by itself or in a Kit containing the Meter, DO probe, Probe Maintenance Kit, calibration sleeve and hard carrying case. Requires four AA batteries, sold separately. DO Probe Maintenance Kit includes 30mL of electrolyte solution, polishing disk and two membrane caps.