Your position：Home > Support

FAQs of Electrochemical Gas Sensors

1. What are the typical lifespans of electrochemical gas sensors?
2. What may affect the sensor's lifespan?
3. How often do the sensors need to be replaced?
4. How do I find out if the sensor has failed?
5. What does calibration mean?
6. How often do I need to calibrate the sensor?
7. How fast can the sensor stabilize when first used?
8. Why do electrochemical sensors need to warm up before use?
9. Why do the working and reference electrodes of an unbiased sensor need to be shorted during storage?
10. What happens if ambient pressure exceeds the specified limits in the sensor data sheet?
11. What are the optimal storage conditions for EC gas sensors?
12. What is the typical EC gas sensor's power consumption?
13. How long does the sensor's internal chemical filter last?
14. What happens if the target gas concentration exceeds the maximum overload of a sensor?
15. Can electrochemical gas sensors work in an environment with no oxygen?
16. Why does my sensor's sensitivity not meet the specifications?
17. Does temperature affect the sensor's performance?
18. What do the cross-sensitivity data in the product datasheet mean?
19. What happens if the measured gas temperature is different from the sensor temperature?
20. What may cause damage to the electrochemical gas sensors?
21. How should I prepare electrochemical gas sensors before use?
22. Can electrochemical gas sensors be used for continual target gas detection?
23. What are the special features of 4-electrode gas sensors versus 3-electrode gas sensors?
24. Can electrochemical gas sensors be soldered directly on PCBs?
25. What is the sensor housing made of?
26. Are SemeaTech's electrochemical gas sensors intrinsically safe?
27. How do I verify whether my circuit is designed properly for gas sensors?
28. Does pumped gas flow make the sensor respond faster?
29. Can I place a membrane or other types of filter in front of the gas sensor?
30. What factors should be taken into consideration when designing a calibration system?
31. Are SemeaTech gas sensors traceable?
32. Why are some sensors required to be biased versions? Why do biased sensors need more warm-up time?
33. Does pressure have impact on sensors?
34. Why does the reading on the oxygen sensor change drastically when the pressure changes?
35. Are electrochemical sensors required to do humidity and pressure compensation?

TOP

About Us

Products

News

Telephone: +1-(510)-766-9639

Website: www.semeatech.com

Email: info_us@semeatech.com