Devices, methods, and systems for a self-testing hazard sensing device are described herein. One device includes a sensor, a wire dipped in a material, a controller configured to provide a current to the wire to heat the material and generate aerosol and/or carbon monoxide, and an airflow generator configured to provide the aerosol and/or carbon monoxide to the sensor. The controller configured to determine whether the self-testing hazard sensing device is functioning properly using the aerosol and/or carbon monoxide provided to the sensor.

Devices, methods, and systems for a self-testing hazard sensing device are described herein. One device includes a sensor, a wire dipped in a material, a controller configured to provide a current to the wire to heat the material and generate aerosol and/or carbon monoxide, and an airflow generator configured to provide the aerosol and/or carbon monoxide to the sensor. The controller configured to determine whether the self-testing hazard sensing device is functioning properly using the aerosol and/or carbon monoxide provided to the sensor.

Devices, methods, and systems of a self-testing duct environment detector are described herein. One self-testing duct environment detector system includes a first portion to be mounted outside of a duct, the first portion having a detector housing with a space therein, the space having a detector with a sensing chamber and a self-testing sensing apparatus therein, wherein the self-testing sensing apparatus determines whether airflow through the detector housing is above a threshold and a second portion and third portion each configured to extend into the duct, wherein the second portion has at least one inlet aperture formed therein and wherein the third portion has at least on outlet aperture therein.

Devices, methods, and systems of a self-testing duct environment detector are described herein. One self-testing duct environment detector system includes a first portion to be mounted outside of a duct, the first portion having a detector housing with a space therein, the space having a detector with a sensing chamber and a self-testing sensing apparatus therein, wherein the self-testing sensing apparatus determines whether airflow through the detector housing is above a threshold and a second portion and third portion each configured to extend into the duct, wherein the second portion has at least one inlet aperture formed therein and wherein the third portion has at least on outlet aperture therein.

Example implementations include a method, apparatus, and computer-readable medium comprising executing a diagnostic tool locally at a control panel; and providing, by the diagnostic tool, via a display of the control panel, information related to a signal strength of a connection between the control panel and at least one device configured to communicate with the control panel over the connection.

Example implementations include a method, apparatus, and computer-readable medium comprising executing a diagnostic tool locally at a control panel; and providing, by the diagnostic tool, via a display of the control panel, information related to a signal strength of a connection between the control panel and at least one device configured to communicate with the control panel over the connection.

Devices, methods, and systems for a modular aspirated smoke, gas, or air quality monitoring system are described herein. One modular monitoring unit, includes a base having a plurality of sampling tubes mounted thereon, at least one pump, and at least one detector module that is releasably attached to the base, wherein the pump draws air from one of the sampling tubes into a particulate sensing chamber within the detector module.

A system, wearable device and management device provided for predicting a flashover event. According to one aspect of the disclosure, a wearable device for predicting a flashover event is provided. The wearable device includes at least one thermal sensor configured to generate thermal data associated with an environment, and processing circuitry configured to: determine a risk of ignition of at least one combustible gas in the environment based on the thermal data, and trigger at least one action based on the determined risk of ignition.

A system, wearable device and management device provided for predicting a flashover event. According to one aspect of the disclosure, a wearable device for predicting a flashover event is provided. The wearable device includes at least one thermal sensor configured to generate thermal data associated with an environment, and processing circuitry configured to: determine a risk of ignition of at least one combustible gas in the environment based on the thermal data, and trigger at least one action based on the determined risk of ignition.

The present invention relates to a multipurpose alert system for smoke, fire, natural gas, and/or carbon monoxide specially designed for elderly and hard-of-hearing individuals. The multipurpose alert system of the present invention is capable of sending emergency alerts notifying a user, a user's family, emergency medical services, and other individuals of the presence of smoke, natural gas leaks, fire, and/or carbon monoxide leaks. In addition, the multipurpose alert system may notify as user via a plurality of flashing displays, a wearable vibration device, an audible alarm, a SMS/text message, an email, or a phone call. Finally, the multipurpose alert system may be used as a standalone detector, be comprised of a plurality of additional detectors, or be used in conjunction with existing detectors of fire/smoke/natural gas/carbon monoxide.