O2 Gas Sensor

Description

The O2 Gas Sensor can be used to monitor gaseous oxygen levels in a variety of biology and chemistry experiments. The sensor is intended for measuring gaseous, not aqueous, O2 concentration.

ORDER CODE: O2-BTA

Specifications (Source: Vernier.com)

• Measurement Range: 0–27% (0-270 ppt)
• Accuracy (@ Standard Pressure 760 mm Hg): +/- 1% volume O₂
• Typical Resolution: 0.01%
• Response Time: ~12 seconds to 90% of final value
• Warm-Up Time: Less than 5 seconds to 90% of final value

• Pressure Effect:

  • Directly proportional
  • V_out = V_out (standard) x (P/1013)
  • Pressure range: 0.5 atm to 1.5 atm
• Output Signal Range: 0 to 4.8 VDC; 2.7 to 3.8 VDC @ 21% O₂
• Output Impedance: 1 KΩ
• Input Voltage: 5 VDC +/–0.25 VDC
• Gas Sampling Mode: Diffusion
• Normal Operating Temperature Range: 25°C (±5°C)
• Operating Temperature Range: 5 to 40°C (with calibration)
• Operating Humidity Range: 0 to 95% RH
• Storage Temperature Range: –20 to +60°C

• Dimensions:

  • Sensor Tube: 45 mm length, 28 mm OD; total length: 120 mm