Oxygen Sensor

VadoScan Oxygen sensor with logger

Applications (See Application Notes for more)

  • Design and monitor bio-venting, vapor extraction, and air sparging systems
  • Perform in-situ respirometry tests
  • Monitor performance of ex-situ bioremediation systems

Features/Installation

  • One-step calibration in ambient air
  • Measures oxygen levels in-situ - does not require soil gas pumping
  • Install directly in soil or hang in monitoring well with screened interval in vadose zone
  • Optional ported sensor allows for soil gas sampling, in-situ calibration, and simultaneous pressure monitoring.
  • Sensor is not cross sensitive to CO2, CO, CH4, H2S, H2, or N2
  • Unique design allows sensor to recover after being submerged
  • Optional signal converter allows operation with conventional multi-channel logger interface.

Summary Specifications (specification sheet)

  • Size - 1.1 in. diameter by 7 in. anodized aluminum cylinder
  • Accuracy - approx. 1% (full scale)
  • Response time - 12 sec.
  • Operating temp. - 0-70°C
  • Cable length - 25, 50, and 75 feet
  • Sensor life - greater than 7 years

Model Numbers

  • Oxygen sensor (with 25 ft. cable) (XT253-25)
  • Oxygen sensor (with 50 ft. cable) (XT253-50)
  • Oxygen sensor (with 75 ft. cable) (XT253-75)
  • Ported Oxygen sensor (with 25 ft. cable) (XT253SP-25)
  • Ported Oxygen sensor (with 50 ft. cable) (XT253SP-50)
  • Ported Oxygen sensor (with 75 ft. cable) (XT253SP-75)
  • Oxygen data logger (EX064-E)
  • Internal 4-20 m amp signal converter (XMC420SE)
  • External 4-20 m amp signal converter (XMC420A)