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FAQs
FAQs of Electrochemical Gas Sensors
1. Conventional operating life
2. Factors affecting sensor lifetime
3. Filtrable gas sensor
4. Plan for gas sensor replacement
5. How to find sensor breakdowns?
6. Meaning of calibration
7. How long does the sensor need recalibration?
8. How fast can the sensor stabilize when first used?
9. Why do electrochemical sensors have to age before use?
10. Why is the working and reference electrode of electrochemical sensors (zero bias sensors) short-circuited during storage?
11. What happens if the pressure range exceeds that defined in the data sheet?
12. Optimal storage conditions for sensors
13. Requirement of power
14. How long can the internal filter last?
15. What happens if gas concentration exceeds the maximum overload?
16. How much oxygen needed for the sensor to work properly?
17. Why is my sensor indicator below the specification data?
18. Does temperature affect the sensor indicator?
19. About cross interference data
20. What is the recommended storage period?
21. Uncertainty of cross-sensitivity data
22. What if the gas temperature is different from the sensor temperature?
23. What substances may cause damages?
24. How to prepare and use SemeaTech electrochemical sensors?
25. How long does the sensor need to be replaced?
26. About interfering gases
27. Can sensors be exposed to target gas for a long time?
28. What is the difference between 3 electrode and 4 electrode gas sensors?
29. What is the sensor housing made of?
30. Are SemeaTech sensors intrinsically safe?
31. How to test circuits?
32. Will the sensor response faster with pump-suction air supply?
33. Can I place a membrane or filter in front of the sensor?
34. What factors should be considered when designing a sampling system?
35. The traceability of SemeaTech sensors
