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Lab Equipments & Instruments

Sper Scientific
Dissolved Oxygen Pen

Measures dissolved oxygen to determine water quality in environmental testing, labs, industrial and municipal waste water, 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. IP-67 water proof. Comes ready to use in a soft carrying case with belt loop, two spare probe heads, electrolyte and 4 AAA batteries. Dim: 8 x 2 x 1 1/2 inch (180 x 40 x 40 mm). Weight: 6 oz (175 g).

Unit of Measure Range Resolution Accuracy
Dissolved Oxygen mg/L 0 ~ 20.0 0.1 ±0.4
Oxygen % in Air (for calibration reference) 0 ~ 100.0% 0.1% ±0.7
Temperature °F 32~122 0.1 ±1.5
Temperature °C 0~50 0.1 ±0.8
CanLab No. Mfr. No. Description
81F9221 850045 Dissolved Oxygen Pen
06Q9221 850089 Head w / Diaph

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