NEVER use an open flame of any kind to test this unit. You might accidentally damage or set fire to the unit or to your home. The built-in test switch accurately tests the unit's operation as required by Underwriters Laboratories Inc. (UL).

If you choose to use an aerosol smoke product to test the smoke alarm, be certain to use one that has been Listed to Underwriters Laboratories, Inc. Safety Standards and use it only as directed. Use of non-UL Listed products or improper use of UL Listed products may affect the smoke alarm's sensitivity.

MAINTENANCE: The smoke alarm is virtually maintenance free. However, under dusty conditions, a vacuum hose may be used to clear the sensing chamber of dust.

BATTERY REPLACEMENT

The smoke alarm uses a 9 Volt carbon-zinc battery. The battery should last for at least one year under normal operating conditions. The smoke alarm has a low battery indicator, an audible "beep." It will operate at 30-40 second intervals for a minimum of 7 days. When this indication occurs, replace the battery with an Alkaline type (Eveready Energizer #522, Duracell #MN1604), Carbon-Zinc type (Gold Peak #1604P, Eveready #216).

REPAIRS AND SERVICES

If the smoke alarm is defective in any way, do not tamper with the unit. Return the unit for servicing. (See warranty for instructions or in-warranty returns.) There will be a service charge for repairing out of warranty units.

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Universal Security Instruments SS-901 manual Battery Replacement, Repairs and Services
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SS-901 specifications

Universal Security Instruments SS-901 is a versatile and reliable smoke detector that enhances home safety and gives homeowners peace of mind. This model boasts a range of features designed to meet the needs of modern living while maintaining user-friendly operation.

One of the standout features of the SS-901 is its dual sensor technology. It combines ionization and photoelectric sensors, which work together to effectively detect a wide range of fire types. Ionization sensors are highly sensitive to fast-flaming fires, while photoelectric sensors excel at detecting smoldering fires. This dual capability ensures comprehensive protection, significantly reducing the risk of false alarms while enhancing smoke detection accuracy.

The SS-901 is also equipped with a built-in battery backup. This feature ensures that even during power outages, the smoke detector continues to function, providing uninterrupted safety for the household. The unit operates on a long-lasting battery, minimizing the need for frequent replacements and enhancing overall convenience.

Another key characteristic of the Universal Security Instruments SS-901 is its user-friendly design. The unit includes a single test button, allowing homeowners to easily check the functionality of the smoke detector with just a press of a button. An LED indicator informs users of the device's status, including battery life and alarm status, delivering clear communication about the detector’s operation.

Additionally, the SS-901 incorporates a low battery warning signal. This alerts users when the battery is running low, prompting timely replacement to ensure continuous protection. The compact and sleek design of the smoke detector allows for easy installation in various environments, whether on a ceiling or wall, making it suitable for any home setting.

The Universal Security Instruments SS-901 complies with safety standards set by authorities, providing an extra layer of reassurance for users. The combination of advanced technologies, user-friendly features, and reliable operation makes the SS-901 a preferred choice for families looking to enhance their fire safety measures. Investing in this smoke detector is a proactive step towards creating a safer living environment, underlining the importance of fire safety in every household.
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