Review – Klein Tools ET110 CO Meter, Carbon Monoxide Tester and Detector with Exposure Limit Al…

https://amzn.to/3n4Xw20 – Klein Tools ET110 CO Meter, Carbon Monoxide Tester and Detector with Exposure Limit Alarm, 4 x AAA Batteries and Carry Pou…

Great tool and works good! HVAC trade!
Overall, I like this item and it seems to give reliable readings. But the accuracy is questionable at times, as some other reviews have noted. First, there definitely seems to be about a 20 second delay at all times.
I can walk behind my running car with the device, and roughly 15-20 seconds later, the readings clearly jump to 20-40 ppm. Walking into a clean space seems to be a quicker response.
Often less than 10 seconds. I have had a couple odd moments where my parking garage registers zero ppm. This would…
Klein Tools ET110 CO Meter, Carbon Monoxide Tester and Detector with Exposure Limit Alarm, 4 x AAA Batteries and Carry Pou…

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