PRODUCT DETAILS
  • PRODUCT:Electrochemical Oxygen Sensor O2 Sensor with Lead free LFO2A4

  • MODEL:LFO2A4
  • PRODUCT MANUFACTURER:Alphasense
  • DETAILS:
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DETAILS:
Electrochemical Oxygen Sensor O2 Sensor with Lead free LFO2-A4
DETAILS:

 Electrochemical oxygen sensor O2 Sensor with Lead free LFO2-A4          

                                                    Model Number: LFO2-A4                                                  

 

 

PERFORMANCE
Output μA @ 20.9% O2 90 to 110
Response time t90 (s) from 20.9% to 0 % O2 < 15
Linearity % O2 deviation @ 10% O2 < 0.10
LIFETIME Sensitivity @ -20oC % (output @ -20oC/output @ 20oC) 80 to 90
Sensitivity @ 50oC % (output @ 50oC/output @ 20oC) 105 to 115
Output drift % change in output @ 3 months < 1
Operating life months until 85% original output of 20.9% O2 > 48
KEY SPECIFICATIONS
Temperature range °C -30 to 50
Pressure range kPa 80 to 120
Humidity range % rh continuous (0 to 99 %rh short term) 5 to 95
Storage period months @ 3 to 20°C (store in sealed pot, open circuit) 6
Bias voltage mV -600
Diameter mm (including label) 20.0
Height mm (including foam ring) 17.4
Weight g < 6

 

 Description

Sensor response is fast and repeatable, returning rapidly to the baseline.
The sensor must be biased at -600mV continuously if instant response is required
when swiching on the gas detector. The very repeatable and nearly linear sensitivity 

temperature dependence allows for simple correction in software.

Although the signal is nearly linear up to 30% O2, theory is proven to be accurate by
fitting the output with the function K*Ln(1/(1-C))



 

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