Dissolved Oxygen Meter Kit (Sper Scientific 850081DOK)

Measures dissolved oxygen to determine water quality in environmental testing, labs, industrial and municipal waste water, aquariums and fish hatcheries. 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. Features simple one-button calibration to air. 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.

Comes in a hard carrying case complete with DO probe, 2 spare probe heads, electrolyte, instructions and a 9V battery. EPA Equivalency Method: 360.1.

Dimensions: Meter: 7” × 2¾” × 1¼” (177 × 68 × 45 mm) Kit: 11” × 9½” × 2” (279 × 241 × 51 mm)

Weight: 16 oz (489 g)