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      Product ID: 61973679

      Conventional Fire Alarm Photoelectric Smoke Detector

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      Description

      Product Description

      This product is a high-performance smoke detector designed for reliable and efficient fire safety. Below are the key features and specifications:

      Features:

      1. Long Battery Life: Equipped with a DC 9V battery that provides up to 1 year of continuous operation.
      2. Advanced Detection Technology: Utilizes a photoelectric chamber to detect smoke particles from all directions, ensuring early and accurate detection of potential fire hazards.
      3. Audible Alarm: Features a loud alarm signal with a sound level of >85 decibels (measured at 3 meters), ensuring the alarm is clearly heard in case of an emergency.
      4. Visual Alert: Equipped with a red LED flash alarm indicator to provide a visual alert in addition to the audible alarm.
      5. User-Friendly Controls: Includes a Test/Hush associative button that allows users to easily test the device or temporarily silence the alarm in case of a false alarm.
      6. Low Battery Indicator: Provides a low battery signal to alert users when it is time to replace the battery, ensuring continuous operation without unexpected failures.
      7. Replaceable Battery Options: Offers flexible battery replacement options with 1-year, 3-year, or 5-year batteries available to suit different user needs.
      8. Compact Design: Lightweight with a net weight of approximately 124 grams (including the battery), making it easy to install and handle.
      9. Space-Saving Dimensions: Compact size with dimensions of Ф100mm (diameter) × 37mm (height), fitting seamlessly into various environments without occupying much space.

      Aplications:

      • Ideal for residential homes, commercial buildings, hotels, and other places where early fire detection is crucial for safety.

      Safety and Compliance:

      • Designed and manufactured to meet international safety standards to ensure reliable performance and user safety.
      This smoke detector combines advanced technology with user-friendly features to provide a reliable and effective fire safety solution.

       

      Product Parameter

      Model No. LZ-1901
      Standard EN14604:2005/AC:2008
      Voltage DC 9V
      Standby current 10uA
      Alarm current 30mA
      Sensor type Photoelectric
      Temperature 0°C~+40°C
      Ambient Humidity 95%R.H
      Alarm indication Red LED & Buzzer
      Sound pressure 85dB(around 3m)
      Weight 126g(incl.battery)
      Product size Φ100*37mm
      Installation way Ceiling mounting

      Q&A

      Q: Can smoke alarms go off without power?

      A: Yes, smoke alarms can go off without being connected to a power source, but this typically applies to alarms that have a battery backup system or are solely battery-operated. Here’s a detailed explanation of how it works:

      1. Battery Backup System:
        • Many smoke alarms, even if they are hardwired into the home's electrical system (mains power), have a battery backup to ensure they continue to function during a power outage.
        • The battery serves as a secondary power source, allowing the alarm to remain active and responsive to smoke even when the mains power is interrupted.
      2. Activation During Power Outage:
        • If the smoke alarm detects smoke or fire, it will trigger the alarm regardless of whether it's powered by the mains or the battery. The primary function of the battery is to maintain the alarm's functionality in case of a power failure.
      3. Low Battery Warning:
        • A smoke alarm with a battery backup may chirp or emit a low battery warning sound when the battery is running low. This is not an alarm indicating smoke, but a signal that the battery needs to be replaced.
        • It is crucial to replace the battery promptly to ensure the alarm remains functional.
      4. Stand-alone Battery-Operated Alarms:
        • Smoke alarms that are solely battery-operated can also go off when they detect smoke, using the battery as their primary power source. These alarms are independent of the mains power supply and rely entirely on the battery for operation.
      5. Dual-Power Alarms:
        • Some smoke alarms are designed as "dual-power" devices, meaning they can operate on both mains power and a battery. These alarms will automatically switch to battery power if the mains power is interrupted, ensuring continuous protection.
      6. Testing the Alarm:
        • Smoke alarms with battery backup typically have a test button that, when pressed, will cause the alarm to sound using the battery power, even if the device is disconnected from mains power.
        • Regular testing is essential to ensure the alarm is working correctly and that the battery is still functional.

      Importance of Regular Maintenance:

      • Battery Replacement: Replace batteries at least once a year or when the low battery signal sounds. This is especially important for battery-operated and dual-power alarms.
      • Regular Testing: Test the alarm monthly by pressing the test button to ensure it responds correctly.
      • Investigating False Alarms: If a smoke alarm goes off without any apparent reason, investigate the cause. It could be due to dust, insects, or a faulty alarm. Cleaning or replacing the alarm may be necessary.

      Conclusion:

      Smoke alarms are designed to provide continuous protection, even during power outages, thanks to their battery backup systems. Regular maintenance and battery replacement are crucial to ensure they remain effective in detecting smoke and providing early warnings in case of fire.

       

      Applicable place

      smoke detector

       

       

       

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