Atlas Scientific EZO Complete-Dissolved Oxygen

Reads Dissolved Oxygen Range 0.00 − 100+ mg/L 0 − 350% saturation Resolution .01 Accuracy +/– 0.05 mg/L Response time 1 reading per sec Supported probes Any galvanic probe Calibration 1 or 2 point Temp. compensation Yes Salinity compensation Yes Pressure compensation Yes International standard ISO 5814 compliant (determination of dissolved oxygen) Dimensions 75.7mm x 54.3mm (2.9″ x 2.1″) Weight ~54 grams Data protocol Serial strings through FTDI virtual comport Data format ASCII Operating voltage 5V USBYou may also like Boost Oxygen 10L (2 Pack) & 5L (3 Pack) Canned Pure Oxygen, Flavorless.