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Qubit Systems

S101 Diffusion O2 Sensor

Soil & CropsPhotosysnthesis Chlorophyll & Respiration
The S101 Diffusion Oxygen Sensor measures oxygen concentration from 0-100% in a sealed chamber. Oxygen difuses to the sensor from surrounding atmosphere. This sensor is the core of Qubit Systems’ PH1LP Teaching Photosynthesis Package.
Quantity
1

Overview

  • Simple one point calibration requiring only atmospheric air
  • Output linear
  • 90% response in 12 seconds
  • Adjustable gain
  • Output range adjustable from 0 – 25% = 5 V
  • Temperature compensation
  • Expected sensor life is 3 to 5 years. Replacements are inexpensive.
  • Sensor is fitted with 1/8 inch Nylon NPT Union
    Oxygen Sensor.

Specification

Principle Acid Electrolyte, Teflon Diffusion Membrane
Detection Range 0-25 %O2 (Linear) standard (can extend to 0-100%)
Resolution ±50 ppm
Accuracy ± 0.21% of Full Scale
Influence by Other Gases Ammonia and Ozone
Response Time (90%) 12 Seconds
Required Sample Volume Minimum of 2-3 mL/min

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