The First Alert
OneLink CO511B is part of the
Smoke & Carbon Monoxide Detectors test program at
Consumer Reports. In our lab tests, Carbon Monoxide Detector
models like the OneLink CO511B are rated on multiple criteria, such as those
listed below.
High CO levels:
High CO levels rates a model's response to CO of 400 parts per million.
Low CO levels:
A high score means the model reacts quickly to low levels of consistent carbon monoxide. Top-scoring models help keep you safe by sounding an alarm before gas builds up.
Display/voice:
Display/voice rates the accuracy of the CO level either displayed digitally or conveyed by voice message.
