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O2 Gas Sensor

The O2 Gas Sensor measures oxygen concentration in air, and is temperature compensated for use in different environments. It has a wide measurement range, allowing it to be used to study human and cellular respiration. The O2 Gas Sensor also includes a 250mL bottle that can be used to study the rusting of iron, or as a respiration chamber for monitoring plants and insects.


Measurement Range: 0–27% (0-270 ppt)

Accuracy (@ Standard Pressure 760 mm Hg): +/- 1% volume O2

Resolution: 0.01% (LabQuest 2, LabQuest, LabQuest Mini, Go!Link, LabPro)

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, Vout = Vout (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

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



Item # Description Unit Availability Price Quantity
470219-310 O2 Gas Sensor
Each Retrieving


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