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Standalone Photoelectric Smoke Detector

This Photoelectric smoke alarm detects the smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can reflect infrared light. Infrared diodes are placed in the special chamber. The chamber can shield external light, but don’t affect the smoke into it. While have no smoke, the diode can receive very weak infrared light. When the smoke entering the detector, the diode can receive strong infrared light
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  • MTSD09

  • Mantern

Key Features & Performance Advantages

  • MCU automatic processing technology: Equipped with an advanced Microcontroller Unit, this standalone photoelectric smoke detector intelligently analyzes environmental data in real-time. This sophisticated processing significantly minimizes false alarms while ensuring an ultra-fast response to early-stage smoldering fires, providing critical extra minutes for safe evacuation.

  • Manual test: Designed with user convenience in mind, the device features a highly responsive, tactile manual test button on the front face. This allows facility managers, maintenance personnel, or residents to instantly verify the battery status and sensor functionality without requiring specialized diagnostic equipment, thereby streamlining routine safety checks.

  • Auto reset: Once a potential fire hazard is resolved and the surrounding smoke completely dissipates from the sensing chamber, the detector automatically clears its alarm state. This intelligent self-resetting mechanism eliminates the need for manual intervention, reducing post-incident hassle and immediately restoring the area's active monitoring status.

  • Automatic detection: The device provides relentless 24/7 continuous air sampling. By constantly drawing ambient air into its internal optical chamber, it maintains a vigilant watch over the environment, ensuring that no particulate matter goes unnoticed, whether during active daytime hours or quiet nighttime periods.

  • Infrared photoelectric smoke sensor: At the core of the unit lies a highly sensitive infrared optical sensor. Unlike traditional ionization models, this photoelectric technology excels at detecting the large smoke particles typically produced by slow, smoldering fires—such as burning upholstery or electrical insulation—long before open flames erupt.

  • Sound-light alarm: When triggered, the detector unleashes an immediate dual-sensory warning. It emits a piercing, high-decibel siren (≥85dB/m) that easily penetrates walls and closed doors, paired simultaneously with a vibrant, rapidly flashing red LED indicator. This ensures that occupants, including those with auditory or visual impairments, are instantly alerted to the danger.

  • Strong adaptability for circumstance: Engineered to withstand diverse indoor climates, the detector operates flawlessly across a wide temperature spectrum from -10℃ to +50℃ and handles working humidity levels up to 95% RH. This exceptional environmental resilience makes it highly dependable in unconditioned spaces like warehouses or transitional corridors.

  • SMT design, high stability: Manufactured utilizing precise Surface Mount Technology (SMT), the internal circuit boards boast superior electronic stability and structural integrity. This automated assembly process ensures consistent performance across large production batches, significantly extending the operational lifespan and reliability of every single unit deployed.

  • Dust-proof, Insect-proof, Anti-visible light: The sensing chamber features a specialized labyrinth structure that physically blocks insects and prevents heavy dust accumulation while effectively shielding the internal optics from stray ambient light. This meticulous physical design is crucial for drastically reducing nuisance alarms caused by environmental interference rather than actual smoke.

  • Wireless Interconnectivity (RF Models): For expanded coverage, the wireless type utilizes stable Radio Frequency (RF) signals to communicate with existing security alarm hosts or smart building networks. When one unit detects smoke, it can trigger a synchronized area-wide alert, making it an essential feature for large-scale property management and multi-room monitoring.

 

Technical Data & Specifications

The following specifications detail the precise operational parameters of our standalone photoelectric smoke detector. Engineered to meet rigorous safety regulations, these metrics guarantee dependable daily operation, extended battery efficiency, and optimal detection coverage tailored to specific ceiling heights.

Model

MTSD09

Operating Voltage

DC9V

Alarm Current

≤10 mA;  ≤40 mA (wireless type)

Battery Life

About 1 year

Indicate Alarm

Red LED flash

Sound Level

≥85dB/m

Operating temperature

-10~+50℃

Working humidity

≤ 95% RH

Alarm type

Flash & sound alarm

RF signal (wireless   type)

Installing

Wall-mounted

Detecting area

40 square meters   when installation height between 6-12 meters.

20 square meters when   installation height within 6 meters.

 


Comprehensive Application & Supplier Capabilities

Versatile Deployment Scenarios

Designed for maximum versatility, this standalone photoelectric smoke detector is the ideal fire safety solution for a wide array of indoor environments, including residential complexes, commercial office buildings, hospitality venues, and storage facilities. A single unit provides precise fire detection coverage ranging from 20 to 40 square meters, depending on the ceiling height. Its independent, wall-mounted configuration completely eliminates the need for complex, invasive wiring. This plug-and-play approach drastically reduces engineering labor and time during initial construction, while also keeping long-term maintenance costs to an absolute minimum.

Global Safety Compliance & Certifications

Safety and reliability are non-negotiable in fire protection. The MTSD09 model is engineered in strict accordance with mainstream international fire safety regulations. It fully complies with critical standards such as CE, RoHS, and EN14604. This comprehensive certification portfolio ensures that the product easily meets the stringent acceptance criteria of diverse engineering projects worldwide, facilitating smooth building code approvals and entirely frictionless cross-border trade clearance for global procurement networks.

OEM/ODM Customization & Manufacturing Excellence

We recognize that brand procurers and channel distributors often require tailored solutions to stand out in competitive markets. Therefore, we offer deep OEM and ODM customization services. From bespoke exterior silk-screen printing and custom packaging design to specific RF frequency tuning for wireless models, we adapt the product to align perfectly with your brand identity and technical requirements. Backed by mature, highly automated production lines and a rigorous, 100% factory Quality Control (QC) inspection process, we guarantee that even the largest volume engineering orders are fulfilled with uncompromising quality and strictly on-time delivery.

Standalone Photoelectric Smoke Detector Manufacturer Quality Certification and OEM ODM Capabilities

About Us

Mantern Industrial Co., Ltd. is engaged in international business since 2012. Our aim is to provide good products with competitive price for our clients.

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Add: No. 102 Hongqi, Jinshui Distr., Zhengzhou, China
Tel: +86-13838061200
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