Dissolved Oxygen Meter

For measuring oxygen in water, air or in respiration experiments on plants, human or animals. In a sheet metal case with 3 ½ digit LED display, mains operated, with DO probe, standard solution And with instruction manual, in a dust cover. Range -0-20 ppm                       Accuracy – 0.2 ppm ± 1 digit Resolution- 0.1 ppm Temp.     Compensation-10o – 50o C manual Automatic temperature controller can be fitted at extra cost.