Qubit Systems Inc.

Qubit Systems Inc.

Model S108 - Absolute O2 Analyzer

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S108 Absolute O2 Analyzer is the most flexible, accurate and affordable oxygen analyzer on the market.  It uses a fuel cell sensor that operates at ambient temperature unlike power hungry zirconium sensors that require an on-board furnace.   The sensor incorporates  acid electrolyte and teflon diffusion membrane.  Measurements of pO2 are precise across the entire range from 0% to 100%. For animal and human respirometry, the S108 Absolute O2 Analyzer can be used with our S158 CO2 Analyzer to measure respiratory quotient. For respirometry in smaller or less active organisms, it may be configured in a stop flow or closed gas exchange system. Calibration is easy.  All you need is dry ambient air (use a N2 zero gas for most stringent measurements). Linearity is maintained across the entire dynamic range.  We recommend using S108  with our C901 Logger Pro Software or other data acquisition software.

  • Switchable ranges of 0-25% and 0-100% O2
  • Integrated pressure sensor
  • Integrated gas pump
  • Analog outputs 0-5 V for O2 and P
  • Response time (90%) 12 sec
  • O2 output displayed in % or kPa
  • Pressure pressure output displayed (kPa)
  • Optional battery pack for field use
  • Built in Temperature compensation
  • Weatherproof case
  • Stand alone use or with software

  • Animal respiration
  • Human respiration
  • Environmental Monitoring

  • Operating principle  – Acid Electrolyte, Teflon Diffusion Membrane
  • Detection Range – 0-25% and 0-100 %O2 (Linear)
  • Resolution – ±40 ppm
  • Accuracy ± 0.21% of Full Scale
  • Response Time (90%) – 12 Seconds
  • Life Expectancy of sensor – 3-5 years
  • Sensor easily replaceable
  • Influence by Other Gases – Ammonia and Ozone
  • min flow – 5 mL/min
  • max flow – 650 mL/min
  • Gas pump 0-650ml/min, default setting of 100ml/min
  • Built in total gas pressure reading at the sensor (for pressure correction in the software)
  • Pressure Range – 0.5 atm to 1.5 atm
  • Pressure Effect – Output voltage changes proportionally
  • Shock Resistant – to 2.7 G Avoid strong vibration
  • Operating Temperature – 5 to 40C (Effective range)
  • Weight – 2.45 kg
  • Dimensions (cm) – (L x W x H: 27.7 x 25.5 x 11.2)
  • Analog Output – 0 to 5 volt
  • optional data interface and software
  • Power Supply – 12 Volts
  • Warranty: 1 year

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