Dissolved Oxygen Meter Kit, Sper Scientific

Measures dissolved oxygen to determine water quality in environmental testing, labs, industrial and municipal waste water, aquariums and fish hatcheries.

• Reliable DO readings at a reasonable price
• Features simple one-button calibration to air

The back-lit display simultaneously displays dissolved oxygen (in % or mg/l) and temperature readings (in °C or °F). Automatic temperature compensation as well as manual compensation for salinity and altitude. DO probe heads include built in membranes and screw on and off for easy replacement. Also functions as a pH, ORP, conductivity, TDS or salinity meter when used with the optional probes.

Delivery information: Comes in a hard carrying case complete with DO probe, two spare probe heads, electrolyte, instructions and a 9 V battery. EPA equivalency method: 360.1.