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Dissolved Oxygen Probe (DO-BTA)

Dissolved Oxygen Probe (DO-BTA)


Item # 74352
Average Rating:
Recommended Grade(s): 9-12
Web Price $228.00


The Dissolved Oxygen Probe is great for biology, chemistry, ecology, or integrated science courses. It can be used to perform a wide variety of experiments to determine changes in dissolved oxygen levels, one of the primary indicators of the quality of an aquatic environment.

• Built-in temperature compensation lets you calibrate in the lab, then make measurements outdoors without having to recalibrate.
• Disposable caps with pre-fit membranes allow you to quickly and conveniently change membranes.
• Calibrate in the units you choose: % dissolved oxygen, mg/L, or ppm dissolved oxygen

• Range: 0 to 15 mg/L (or ppm)
• Accuracy: ±0.2 mg/L
• Response Time: 95% of final reading in 30 seconds, 98% in 45 seconds
• Typical Resolution: 0.014 mg/L
• Temperature Compensation: automatic from 5–35°C
• Pressure Compensation: manual
• Salinity Compensation: manual
• Minimum sample flow: 20 cm/second

What’s Included
• Vernier Dissolved Oxygen Probe (dissolved oxygen electrode with membrane cap)
• One replacement membrane cap
• Sodium Sulfite Calibration Standard (2.0 M Na2SO3) and MSDS sheet
• D.O. Electrode Filling Solution, MSDS sheet, and filling pipet
• Calibration bottle (empty, lid with hole)
• D.O. Polishing Strips (1 pkg)


  • Type: Class Resources


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