HI! everyone. 

Does anyone have experience with Carbon Monoxide gas sensor for UL 
Certification?

What is UL standard for Carbon Monixide sensor?
How much time does I take to pass UL's test and get the certification?
What kind of tests does UL require to the CO sensor?

As I know, it is difficult to get the UL certification for only CO Sensor.
Please recommend me a good solution to get the certificate in short period.     
If someone think that a CO detector with the Co sensor is more easy to get UL's 
approval,
please advise me more details. 

I look forward to hearing a good news.   


Best regards,

Sang-Man Kim
[email protected]

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