O2-A2 Oxygen Sensor - O2-A2

Temperature range: -30 to 55 ℃
Pressure range :80 to 120 kPa
Humidity range:5 to 95 % rh non-condensing (0 to 99% rh short term)
Storage period :6 months @ 3 to 20℃ (store in sealed pot, open circuit)
Load resistor: 47 to 100Ω (recommended)
Diameter: 20.0 mm (including label)
Heigh: 17.4 mm (including foam ring)
Weight: < 16 g

Model Number: O2-A2
Data Sheet:
category: Sensors | Gas Sensors | Electrochemical Gas Sensor

Product Specification

O2-A2 Oxygen Sensor

PERFORMANCE
Output                  μA @ 20.9% O2                                        80 to 120
Response time        t90 (s) from 20.9% to 0% O2                            < 15
Zero current         μA in N2                                                         < 2.5
Linearity               % O2 deviation @ 10% O2                                  0.6

LIFETIME
Output drift % change in output @ 3 months < 1
Operating life months until 85% original output of 20.9% O2 > 24

ENVIRONMENTAL
Humidity Sensitivity % O2 change: 0% to 95% rh @ 40℃ < 0.7
CO sensitivity % (change O2 reading) / % CO2 @ 5% CO2 0.1
Pressure sensitivity (% change of output)/(% change of pressure) @ 20kPa < 0.1

KEY SPECIFICATIONS
Temperature range     ℃                                                                     -30 to 55
Pressure range         kPa                                                                 80 to 120
Humidity range          % rh non-condensing (0 to 99% rh short term)      5 to 95
Storage period         months @ 3 to 20℃ (store in sealed pot, open circuit)       6
Load resistor             Ω (recommended)                                            47 to 100
Diameter                 mm (including label)                                                   20.0
Height                       mm (including foam ring)                                           17.4
Weight                    g                                                                             < 16