Ohaus® Starter 300D Portable DO Meter, 6.69 L x 3.54 W x 1.38" H

Starter Portable DO Meter, 6.69 L x 3.54 W x 1.38" H, 300D Model, 1% Accuracy, 0.1 mg/L, 1 mg/L, 0.1%, 1%, 0.1°C, 0.1 ppm, 1 ppm Measurement Resolution, 0 to 200%, 200 to 400%, 0 to 20 ppm, 20 to 45 ppm Measurement Range