Oxygen Sensor (O2 Sensor) - O2-A1

?? Output: 190 to 240 μA @ 20.9% O2
? Response time t90: < 15 (s) from 20.9% to 0% O2
? Linearity: < 0.6 % O2 deviation @ 10% O2
? Operating life: > 12 months
? Temperature range: -30 to 55°C?
? Pressure range: 80 to 120 kPa
? Humidity range: 5 to 95 % rh non-condensing
? Weight: < 16g

  • Model Number: O2-A1
  • Data Sheet: Date Sheet File
Quantity:
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  • Oxygen Sensor (O2 Sensor)
  • Oxygen Sensor (O2 Sensor)
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Product Specification

O2-A1 Oxygen Sensor O2 Sensor Description
Alphasense Oxygen sensors use capillary flow control.

Unlike partial pressure oxygen sensors, they have good pressure and temperature dependence, making them the best choice in safety applications.

Standard galavanic sensors use lead for greatest reliability but fixed lifetime. 

O2-A1 Oxygen Sensorsize:
20mm diameter, the industry standard size for portable gas detectors

O2-A1 Oxygen Sensor O2 Sensor PERFORMANCE
Output
μA @ 20.9% O2
190 to 240
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



O2-A1 Oxygen Sensor O2 Sensor LIFETIME
Output drift
% change in output @ 3 months
< 1
Operating life
months until 85% original output of 20.9% O2
> 12



O2-A1 Oxygen Sensor O2 Sensor ENVIRONMENTAL
Humidity sensitivity
% O2  change: 0% to 95% rh @ 40°C
< 0.7
CO2 sensitivity
% (change O2 reading)/% CO2 @ 5% CO2
0.1
Pressure sensitivity
(% change of output)/(% change of pressure) @ 20kPa
< 0.1



O2-A1 Oxygen Sensor O2 Sensor KEY SPECIFICATIONS
Temperature range
°C
-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°C (store in sealed pot,open circuit)
6
Load resistor
 ? (recommended)
47 to 100
Diameter
mm (including label) 
20.0
Height
mm (including foam ring)
17.4
Weight
g < 16

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