Traceable® Dissolved Oxygen Pen

  • Measures dissolved oxygen to 100% air saturation
  • Compact design
  • Easy-to-use, MIN/MAX readings


Range 1 0.00 to 20.00 mg/l
Range 2 0.0 to 100% air saturation
Resolution 1 0.1 mg/l
Resolution 2 0.001
Accuracy 1 ±0.4 mg/l
Accuracy 2 ± 0.7% mg/l
Dimensions 1-1/2 diameter x 8 inches
Weight 5 ounces
Supplied With 2 replacement probe tips/membranes, electrolyte solution, carrying case, battery, Traceable® Certificate

Available on backorder



Tough ABS plastic housing and water-resistant design with o-ring seal and membrane keypad assure a long life in severe lab or harsh plant environments. HOLD button freezes the reading on the display. High contrast, easy to read 3/8-inch-high LCD digits simultaneously display oxygen concentration and temperature. At the press of a button, unit recalls minimum/maximum readings. Designed for intuitive, easy operation by everyone


An individually-numbered Traceable® Certificate provided with each unit, assures accuracy from our ISO/IEC 17025:2017 (1750.01) calibration laboratory accredited by A2LA.  It indicates traceability of measurements to the SI units through NIST or other recognized national measurement institutes (NMI) that are signatories to the CIPM Mutual Recognition Agreement.


Traceable® Certificate, Rugged ABS plastic case, two spare probe heads with membranes, electrolyte solution, nylon carry case, and batteries

Additional information

Weight 0.31 lbs

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