Oxygen Analyzer, Application Analyze Oxygen Levels, Measures O2, Measurement Range 0-99.9 Percent, Height 2 1/2 in, Width 2 1/2 in, Depth 3 1/2 in, Accuracy +/-3 Percent, Operating Temp. Range 15 Degrees to 40 Degrees C, Display Resolution 0.1 Percent...