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1 SO2 enriched environments are excluded.

2 Notice that absolute maximum rating is 14V, so that sensor can be used with 12V±10% supply.

3 Different options exist and can be customised depending on the application. Please contact Senseair for further information!

4 In normal IAQ applications. Accuracy is defined after minimum three (3) ABC periods of continuous operation. However, some industrial applications do

require maintenance. Please, contact Senseair for further information! 5 Accuracy is specified over operating temperature range. Specification is referenced to certified calibration mixtures.

Uncertainty of calibration gas mixtures (+-2% currently) is to be added to the specified accuracy for absolute measurements. 6 In normal IAQ applications. Accuracy is defined after minimum three (3) ABC periods of continuous operation. Some industrial applications do require

maintenance. Please, contact Senseair for further information!

Sensor PWM output timing diagram

2.0ms

1004ms

0 % vol:

2.0ms

2.5ms

0.01 %vol:

2.5ms

1004ms

3.0ms

0.02 %vol:

3.0ms

1004ms

1002ms

20.00%vol

2.0ms

1004ms

1001.5ms

19.99%vol

2.5ms

1004ms

1001ms

19.98%vol

3.0ms

1004ms