Hikvision 4-Wired Smoke Detector (DS-PDSMK-4BAR)

The Hikvision DS-PDSMK-4BAR 4-Wired Smoke Detector is an advanced photoelectric smoke detector designed for early fire detection and reliable performance. It features a low-profile, sleek housing and advanced sensing technology that accurately identifies smoke while reducing the risk of false alarms. Its dual LED indicators provide 360° visibility, ensuring that alarm status can be seen from any direction.

⚙️ Performance and Features

Built with surface-mount device (SMD) circuitry, the DS-PDSMK-4BAR offers durability, stability, and long-term reliability. The photoelectric sensing chamber operates without requiring adjustments or replacement, minimizing maintenance needs. It supports N/C or N/O alarm relay outputs and operates on DC 12V, making it compatible with a wide range of alarm control systems. The unit delivers a loud 85dB alarm at 3 meters for effective alerting in emergencies.

🧠 Why Choose the Hikvision DS-PDSMK-4BAR

With its advanced algorithms, auto-reset function options, and internal sounder availability, this model ensures precision detection and high immunity against false alarms. Ideal for residential, commercial, and industrial applications, it provides dependable smoke detection performance in a compact, easy-to-install form. Its high IP42 protection rating and wide operating temperature range make it suitable for various indoor environments, ensuring continuous safety monitoring.

🔍 General Overview

• Model: Hikvision DS-PDSMK-4BAR

• Type: 4-Wired Photoelectric Smoke Detector

• Application: Residential, commercial, and industrial environments

• Design: Sleek, low-profile housing with 360° visibility LEDs

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⚙️ Detection & Performance

• Detection Type: Photoelectric smoke sensing chamber

• Detection Algorithm: Advanced processing for precise smoke discrimination

• Alarm Threshold: 0.10 ~ 0.16 dB/m (equivalent to 1.51 ~ 2.73%/ft obscuration)

• Immunity: High resistance to unwanted alarms (dust, light, or airflow)

• Sensing Chamber: Stable, no calibration or replacement needed

• Auto-Reset Option: Available in select models

• Internal Sounder Option: Available

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🔊 Audio & Visual Indicators

• Alarm Volume: ≥ 85 dB @ 3 m

• LED Indicators: Two continuous red LEDs

• Visibility: 360° viewing angle for easy status recognition

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⚡ Electrical Characteristics

• Power Supply: DC 10.2V ~ 13.8V (12V nominal)

• Alarm Relay Output: Normally Closed (N/C) or Normally Open (N/O) contacts

• Circuit Design: Surface Mount Device (SMD) board for reliability

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🌡️ Environmental Conditions

• Operating Temperature: 0°C ~ +50°C

• Storage Temperature: -25°C ~ +80°C

• Operating Humidity: 0% ~ 98% RH (non-condensing)

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🧱 Physical Specifications

• Dimensions: Φ100 mm × 35 mm

• IP Rating: IP42

• Installation Method: Ceiling mounted

• Housing Material: Durable and lightweight plastic

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