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Product ID: 62004466
Good Qaulity Smoke Alarm for Home Security
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Description
Types of Smoke Alarms
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Ionization Smoke Alarm:
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Advantages: More effective against fast-flaming fires (e.g., paper fires, kitchen fires).
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Working Principle: Detects smoke particles by ionizing air molecules and measuring changes in electrical current.
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Photoelectric Smoke Alarm:
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Advantages: More effective against slow-smoldering fires (e.g., fires from burning cigarettes in couches or bedding).
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Working Principle: Uses a light source and a sensor to detect smoke particles that scatter light.
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Combo Units:
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Features: Combine ionization and photoelectric technologies.
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Advantages: Provide early warning for both fast-flaming and slow-smoldering fires.
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Power Sources
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Battery-operated: Easy to install, but batteries need regular replacement.
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Household current (hard-wired): More reliable, but installation requires a qualified electrician.
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Plug-in: Convenient, but must have restraining devices to prevent accidental disconnection.
Where to Install Smoke Alarms
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Locations:
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Install on every level of your home, including the basement.
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Install in every sleeping area.
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Ensure all family members can hear the alarm.
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Mounting:
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Wall-mounted: Place the top of the alarm 4-12 inches (10-30 centimeters) from the ceiling.
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Ceiling-mounted: Position at least 4 inches (10 centimeters) away from the nearest wall.
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Avoid These Areas:
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Do not install near windows, doors, or forced-air registers (drafts can interfere with the alarm's operation).
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Keep at least 10 feet away from stoves and steamy showers to avoid false alarms.
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How to Install Smoke Alarms
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Follow Manufacturer's Instructions: Use a drill and screwdriver as specified.
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Plug-in Alarms: Ensure they have restraining devices to prevent accidental disconnection.
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Hard-wired Alarms: Must be installed by a qualified electrician.
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Important Note: Never connect a smoke alarm to a circuit that can be turned off from a wall switch.
Additional Tips
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Regular Maintenance: Test smoke alarms monthly and replace batteries annually.
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Expiration: Replace smoke alarms every 10 years or as recommended by the manufacturer.
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Multiple Alarms: For larger homes, consider interconnected smoke alarms so that when one alarm sounds, all alarms go off
Key Features
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Power Supply:
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AC Power: Operates on 240V AC, suitable for standard household or commercial electrical systems.
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Battery Backup: Equipped with a 9V DC battery backup to ensure continuous operation during power outages.
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Detection Technology:
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Photoelectric Chamber: Utilizes a photoelectric sensor for early detection of smoke particles from all directions. This technology is particularly effective for detecting slow-smoldering fires, which produce large smoke particles.
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Alarm Signal:
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Loud Alarm: Produces an alarm signal louder than 85 decibels (A-weighted) at a distance of 3 meters. This loud alarm ensures that occupants are alerted promptly in case of a fire.
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Mounting Options:
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Ceiling or Wall Mounting: Suitable for installation on either ceilings or walls, providing flexibility based on the layout of the space.
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Surface Mount Base Plate: Features a surface mount base plate with large cable terminals for easy installation and connection.
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Interconnectivity:
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Single or Interconnected Operation: Can operate as a standalone unit or be interconnected with up to 24 other smoke alarms. This feature is particularly useful in larger homes or commercial buildings to ensure coordinated alarm activation.
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LED Indicators:
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Red LED: Indicates alarm status when smoke is detected.
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Green LED: Shows AC mains power status, confirming that the alarm is connected to the electrical supply.
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Low Battery Signal: Alerts users when the backup battery needs replacement, ensuring the alarm remains functional during power outages.
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Protection Features:
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Insect Screen: Equipped with an insect screen to protect the sensing chamber from interference by insects or dust, ensuring accurate detection.
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Physical Specifications:
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Net Weight: Approximately 214 grams.
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Dimensions: 120 mm diameter and 43 mm height (Ф120*43mm).
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Applications
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Residential Use: Ideal for homes, apartments, and residential buildings.
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Commercial Use: Suitable for offices, hotels, and other commercial spaces.
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Multi-level Buildings: The interconnectivity feature makes it perfect for large or multi-level structures where coordinated alarm activation is crucial.
Installation and Maintenance
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Installation: Follow the manufacturer's instructions for proper installation. Ensure the alarm is mounted high on walls or ceilings, away from drafts and sources of false alarms (e.g., near stoves or showers).
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Testing: Regularly test the alarm to ensure it is functioning correctly. Replace batteries annually or as indicated by the low battery signal.
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Replacement: Replace the entire unit every 10 years or as recommended by the manufacturer to ensure optimal performance.
Product Parameter
| Model No. | LZ-1907B |
| Standard | AS3786：2014 |
| Voltage | AC 240V with DC 9V battery back up |
| Standby current | ≤10uA |
| Alarm current | ≤50mA |
| Sensor type | Photoelectric |
| Temperature | 一10°C ~ 50°C |
| Ambient Humidity | ≤95%R.H |
| LED indication | Red LED & Buzzer |
| Hush time | 8~9min |
| Product life | 10 years |
| Sound pressure | ≥85dB(around 3m) |
| Weight | ≈214g |
| Product size | Φ120*43mm |
| Installation way | Wall or Ceiling mounting |
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