Waterproof Dissolved Oxygen Meter Pen

Measures dissolved oxygen to determine water quality in environmental testing, labs, industrial and municipal wastewater, aquariums and fish hatcheries.

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. 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

Dimensions: 7¾" × 1½" × 1½" (197 × 38 × 38 mm)
Weight: 4.1 oz (116 g)

Specifications

Unit of Measure:	Range:	Resolution:	Accuracy:
DO:	0 to 20.0 mg/L	0.1 mg/L	±0.4 mg/L
Oxygen % in Air:	0 to 100% O2	0.1% O2	±0.7% O2
Temperature ºF:	32 to 122ºF	0.1ºF	±1.5ºF
Temperature ºC:	0 to 50ºC	0.1ºC	±0.8ºC

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Comparison Chart

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