Sper Scientific 850049 DO, pH, Conductivity Meter Kit

Interchangeable DO, pH, and Conductivity probes. Using interchangeable probes, this versatile meter reads DO (Dissolved Oxygen), PH, conductivity, and temperature. The DO mode features simple one-button calibration to air and manual compensation for salinity and altitude. DO probe heads include built in membranes and screw on and off for easy replacement. 3-point pH calibration and 4-point conductivity calibration. The display simultaneously reads temperature in user selectable °C & °F, and all measurements are automatically temperature compensated. Review 99 data points readings directly on the large backlit LCD. The meter and all three probes come in a hard carrying case complete with, 2 spare DO probe heads, electrolyte, pH buffers, distilled water and 4 AAA batteries. Dimensions: 6¾" × 2¾" × 1¼" (170 × 70 × 33 mm) Kit Dimensions: 18.5" x 12" x 3.5"Weight, Meter: 6.4 oz (181 g) Weight, Kit: 4.6 lbs (2 kg).