Optical DO Probe

Description

The Vernier Optical DO Probe makes it easy to measure the dissolved oxygen concentration in water. Perfect for the field or for the laboratory, this plug-and-play probe requires no calibration, no filling solution, no warm-up time, and no stirring.

Specifications (Source: Vernier.com)

• Range: 0 to 20 mg/L (or ppm), 0 to 300%
• Accuracy:
  • mg/L
    • ±0.2 mg/L below 10 mg/L
    • ±0.4 mg/L above 10 mg/L
  • %
    • ±2% below 100%
    • ±5% above 100%
• Response Time: 90% of final reading in 40 seconds
• Typical Resolution: 0.006 mg/L
• Temperature Compensation: automatic from 0–50°C
• Pressure Compensation: automatic from 228 mmHg to 1519 mmHg
• Minimum sample flow: none