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How often should smoke detectors batteries be checked? 

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1 It is time for a similar comprehensive reevaluation of smoke detectors for home fire safety.
These characteristics of smoke detector usage and acquisition should be considered in targeting future intervention strategies.
Based on the work discussed here, the author suggests that a new test standard be implemented to evaluate ionization-type smoke detectors.
The sensors are best for combination with other techniques, such as smoke detectors.
The results of these experiments show that the smoke detectors, especially the ionization detector, are sensitive to cooking fumes and nuisance alarms are easy to happen.
For smoke alarms to be effective, they must have a functional power source, be close enough to the smoke to activate, they must be heard, and occupants must take appropriate action.
Alarm algorithms utilizing ionization detector smoke measurements proved to be more effective than measurements from photoelectric detectors.
Therefore, the choice of detector should be taken into account in designing studies and considering bat activity levels among studies using different detectors.

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