The Benefits of Universal Smoke Sensing Technology Alarms

Three Types Of Smoke/Fire Sensors In Today's Alarms

U.S.S.T® IoPhic®

Containing a patented smoke sensing technology, U.S.S.T. Alarms are very effective at detecting fast flaming fires. U.S.S.T. Alarms also respond quickest to slow smoldering fires. A U.S.S.T. sensor type provides Maximum Overall Protection while addressing the primary concerns of Fire Service Professionals.


Ionization technology is most effective in detecting fast flaming fires. This category of fire spreads at a rapid pace while consuming combustible materials. Origin points for these fires include, but are not limited to: fires burning in a wastebasket or kitchen grease fires.


Photoelectric technology is most effective in detecting slow smoldering fires. This category of fire burns slowly for hours before bursting into flame. Origin points for these fires include, but are not limited to: discarded cigarettes and unattended candles.

The power of USI patented Smart Alarm Technology - Virtually Eliminates Nuisance Alarms

Universal Security Instruments created its microprocessor software to virtually eliminate nuisance alarms caused by non-hazardous sources such as everyday cooking smoke and steamy showers. Nuisance alarms are the leading reason given for disabled smoke alarms. Almost 50% of deaths attributed to fires were in homes without a functioning smoke alarm. Opposing smoke alarm brands have used the same sensor technology for years, while USI has gone above and beyond to provide a cost effective smoke/fire alarm integrated with the newest microprocessor technology.

Why Should I Choose USST Smoke Alarms For My Home?

The National Fire Protection Association has recommended both ionization and photoelectric smoke alarm sensing technologies to be used in the home for optimum response to both fast flaming and slow smoldering fires. Our new Universal Smoke Sensing Technology alarms have been tested to respond to both of these types of fires faster than normal ionization or photoelectric alarms. Every minute counts when it comes to protecting your home and loved ones. Make sure you are properly prepared with a brand you can trust.

Where Should I Install My USST Alarms?

Unlike other smoke alarms, Universal Smoke Sensing Technology smoke and fire alarms are ideal for every room in the home. According to the NFPA, smoke alarms should be installed in every sleeping room, outside each separate sleeping area, and on every level of the home.

Universal Smoke Sensing Technology, Iophic smoke alarms and detectors

New Patented Sensor Technology

Offers the benefits of both photoelectric and ionization alarms in one device to protect against fast flaming and slow smoldering fires.

  • Not your average alarms - responds to both fast flaming and slow smoldering fires - with one sensor, in one alarm.
  • Contains patented microprocessor technology.
  • Respond up to 87% faster to slow smoldering fires.
  • More affordable than dual sensor alarms, and most competitor's stand-alone photoelectric alarms.
  • Can distinguish between cooking smoke or steam and real fire, significantly reducing nuisance alarms.
  • Several options available: combo smoke/co alarms, 10 year battery alarms.
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