Dissolved Oxygen Pen

Easy to carry, simple to calibrate and use Sufficient for many surface dissolved oxygen measurements Measures dissolved oxygen to determine water quality in environmental testing. Designed for simple one-hand operation with automatic temperature compensation and calibration to air. The polarographic probe has a built in temperature sensor and easy-to-replace pop-off probe heads. Simultaneously displays dissolved oxygen and temperature readings. Also holds readings and recalls minimum and maximum. IP65 waterproof, floats if accidentally dropped in water. Comes ready to use in a soft carrying case with belt loop, two spare probe heads, electrolyte and 4 AAA batteries. EPA Equivalency Method: 360.1  Features Automatic temperature compensation Calibration to air Polarographic probe has a built in temperature sensor and easy-to-replace pop-off head Simultaneously displays DO and temperature Holds readings and recall minimums and maximum IP67 waterproof Comes with soft carrying case with belt loop, two spare probe heads, electrolyte and 4 AAA batteries Dim: 8” x 2” x 1 1/2” / 180 x 40 x 40 mm Weight: 6 oz. / 175 g  Unit of Measure Range Resolution DO 0-20 mg/L 0.1 mg/L Oxygen % in AIr 0-100%O2 0.1% O2 Temperature ºF 32-122ºF 0.1ºF Temperature ºC 0-50ºC 0.1ºC Data Sheet