Multi Sensor Fire Detector

MTD 533X

The MTD 533X Multiple Sensor Detector is an advanced fire detection device designed for early and reliable detection of fire hazards using a combination of smoke and temperature sensing technologies. Based on Tyndall (optical smoke) and NTC temperature sensing principles, it ensures accurate detection of both smouldering and open fires. With features like dynamic environment adaptation, false alarm filtering, and integrated short-circuit isolator, it delivers highly reliable performance in diverse industrial and commercial environments.

  • Early detection of both smoke and heat-based fires
  • Reduces false alarms with intelligent signal processing
  • Adapts automatically to changing environmental conditions
  • Improves system reliability with short-circuit isolation
  • 360° LED visibility for quick alarm identification

Application-Based Customization

Engineered for Your Process Conditions

Expert Selection Support

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  • Combined smoke + heat detection (multi-sensor technology)
  • Tyndall principle (optical smoke detection)
  • NTC sensor (temperature detection)
  • Early detection of smouldering and open fires
  • Dynamic adaptation to environmental conditions
  • Pre-alarm and false alarm filtering system
  • Integrated short-circuit isolator for loop protection
  • 360° visible LED alarm indicator
  • Programmable sensitivity as per EN 54 standards
  • 2-stage contamination detection (maintenance alert)
  • Commercial buildings and offices
  • Industrial plants
  • Warehouses and logistics hubs
  • Hospitals and educational institutions
  • Data centers and control rooms
  • Fire alarm systems in critical infrastructure
  • Detection Type: Smoke + Heat (Multi-sensor)
  • Operating Voltage: 12 – 30 V DC
  • Quiescent Current: ~120 µA
  • Alarm Output: 3 programmable levels
  • Alarm LED Current: 0.1 / 1 / 5 mA
  • Loop Voltage: 6.3 V
  • Signal Transmission: Serial data (2-wire loop)
  • Detector Base: USB 501
  • Protection: IP44 (IP54 with base)
  • Operating Temp: –25°C to +60°C
  • Air Velocity: Up to 20 m/s
  • Weight: ~125 g

    Comprehensive Services Using This Product

    From installation to ongoing support, we’re with you every step of the way.

    What Customers Say About Us

    Trusted Engineering Support

    The team provided clear technical guidance and practical solutions. Execution was smooth and well coordinated throughout.

    Mr. Vivek NairGeneral Manager – Operations, Cement Industry
    Dependable Technical Partner

    Their approach was systematic and aligned with our plant needs. Overall experience with product and service has been positive.

    Ms. Kavita RaoSenior Manager – Maintenance, Steel Sector
    Application-Focused Solutions

    They understood our process conditions before recommending equipment. Support during installation was handled professionally.

    Mr. Rohan MehtaProject Lead – Power Plant
    Consistent Service Delivery

    Product performance has been stable in regular operations. The support team responds in a timely manner.

    Mr. Anil DeshmukhInstrumentation Head, Process Manufacturing

    Insights & News

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    Learn how Continuous Emission Monitoring Systems (CEMS) help industries stay compliant with environmental norms, providing real-time emission data, remote monitoring, and actionable insights for sustainable and responsible manufacturing.
    How Predictive Maintenance is Transforming Industrial Efficiency
    Discover how advanced monitoring tools like vibration and ultrasound solutions are helping industries move from reactive to predictive maintenance—reducing downtime, extending equipment life, and optimizing productivity across critical operations.

    Clients Who Have Transformed Their Operations with This Product

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    Frequently Asked Questions About This Product

    It combines: Smoke detection and Heat detection
    Detects more fire types, Reduces false alarms, and Adapts to environment
    Protects loop system, Isolates faulty section, and Keeps rest of system operational
    Yes. It includes: Contamination detection and Alerts when cleaning is required
    Fire alarm systems and Industrial and commercial buildings

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