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Sensitivity testing is not required when smoke detectors are first installed, but must occur within one year, then every two years after that.

This needs to be done one year after installation and then every other year, if the detector remains within its listed and marked sensitivity, the testing can be completed every 5 years.

High Sensitivity Smoke Detection (HSSD) is the most sensitive form of smoke detection on the market. It is designed to give very early indication of an emerging fire condition. This pre-emptive warning provides the time necessary to take corrective action and avoid the danger that a fire can cause.

Per NFPA 72, smoke detectors must be checked within one year after installation, then every alternate year thereafter. If the first two tests demonstrate the smoke detector is performing in the recommended range of sensitivity, the period between smoke detector sensitivity tests can be extended up to five years.

Obscuration is a unit of measurement that has become the standard way of specifying smoke detector sensitivity. Obscuration is the effect smoke has that reduces light intensity, expressed in percent absorption per unit length; higher concentrations of smoke result in higher obscuration levels.

Test the alarm monthly. Replace the backup battery at least once every year. Replace the entire smoke alarm every 10 years.

To complete smoke detector sensitivity testing, a fire safety technician will use a specialized tool that introduces a controlled smoke to the system to measure the sensitivity of each detector head. The tool will determine the sensitivity of the smoke detector in percentage per foot.

If your alarm has accumulated a lot of dust, its sensors could become overly sensitive. Be sure to clean your alarm often to avoid excessive build-up.

Sensitivity testing is not required when smoke detectors are first installed, but must occur within one year, then every two years after that.

This needs to be done one year after installation and then every other year, if the detector remains within its listed and marked sensitivity, the testing can be completed every 5 years.

High Sensitivity Smoke Detection (HSSD) is the most sensitive form of smoke detection on the market. It is designed to give very early indication of an emerging fire condition. This pre-emptive warning provides the time necessary to take corrective action and avoid the danger that a fire can cause.

Per NFPA 72, smoke detectors must be checked within one year after installation, then every alternate year thereafter. If the first two tests demonstrate the smoke detector is performing in the recommended range of sensitivity, the period between smoke detector sensitivity tests can be extended up to five years.

Obscuration is a unit of measurement that has become the standard way of specifying smoke detector sensitivity. Obscuration is the effect smoke has that reduces light intensity, expressed in percent absorption per unit length; higher concentrations of smoke result in higher obscuration levels.

Test the alarm monthly. Replace the backup battery at least once every year. Replace the entire smoke alarm every 10 years.

To complete smoke detector sensitivity testing, a fire safety technician will use a specialized tool that introduces a controlled smoke to the system to measure the sensitivity of each detector head. The tool will determine the sensitivity of the smoke detector in percentage per foot.

If your alarm has accumulated a lot of dust, its sensors could become overly sensitive. Be sure to clean your alarm often to avoid excessive build-up.