Autronica BSD-340/2 Product Introduction
1. Product Overview
The Autronica BSD-340/2 is a high-sensitivity industrial flame detector engineered for early fire detection in hazardous and general industrial environments. It serves oil & gas, petrochemical, marine, and power generation industries—focusing on monitoring areas like storage tanks, process vessels, and engine rooms, where timely flame detection is critical for preventing fire escalation and minimizing losses.
Integrating UV-IR (Ultraviolet-Infrared) dual-sensor technology, it distinguishes real flames from false triggers (e.g., sunlight, hot surfaces) with high accuracy. Its rugged, explosion-proof design withstands extreme industrial conditions, while compatibility with Autronica fire alarm control panels ensures seamless integration into safety systems—making it a reliable choice for high-risk fire monitoring.
2. Technical Parameters (Table)
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Category
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Specification
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Device Type
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UV-IR dual-sensor industrial flame detector
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Detection Spectrum
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UV: 180–280 nm; IR: 4.35 μm (targeting hydrocarbon flame emission)
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Detection Range
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Up to 25 m (82 ft) for hydrocarbon flames (e.g., methane, propane, diesel)
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Response Time
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≤200 ms (for visible hydrocarbon flames at rated range)
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False Alarm Immunity
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Rejects sunlight, incandescent lights, welding arcs, and hot surfaces (≤1200°C)
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Output Signals
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2×relay outputs (SPDT, 250 V AC/1 A); 4–20 mA analog (flame intensity feedback)
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Power Supply
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24 V DC (18–30 V DC); Power consumption: ≤2 W (operating)
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Environmental Ratings
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Operating temperature: -55°C to +85°C (-67°F to +185°F); Storage temperature: -55°C to +100°C (-67°F to +212°F); Humidity: 0%–100% (condensing); Protection class: IP66/IP68 (enclosure); Explosion rating: ATEX Zone 1 (Ex d IIC T6 Ga)
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Mechanical Design
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Housing material: 316L stainless steel; Mounting: Wall/ceiling (optional brackets); Weight: ~1.8 kg (4.0 lbs)
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Certifications
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CE; ATEX; IECEx; UL 521; Marine: DNV GL, ABS, Lloyd’s Register; SIL 2 (IEC 61508)
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3. Product Specifications & Features
3.1 Core Specifications
The Autronica BSD-340/2 uses UV-IR dual-sensor technology to target hydrocarbon flame emissions: the UV sensor detects flame’s short-wavelength radiation, while the IR sensor focuses on 4.35 μm (a unique signature of hydrocarbon combustion), eliminating false alarms from non-flame sources. Its 25 m detection range covers large industrial areas (e.g., refinery tank farms), and ≤200 ms response time ensures rapid fire alerts—critical for activating suppression systems or emergency shutdowns.
The 316L stainless steel housing and IP68 protection resist corrosion (e.g., saltwater in marine applications) and submersion (up to 1 m for 24 h), ensuring durability in harsh settings. Dual relay outputs enable direct control of safety devices, while the 4–20 mA analog signal provides real-time flame intensity data for trend monitoring.
3.2 Key Features
- Dual-Sensor Reliability: UV-IR combination delivers >99% flame detection accuracy and strong false alarm immunity, avoiding unnecessary system shutdowns.
- Extreme Environment Adaptability: -55°C to +85°C operating range and IP68 protection handle polar cold, desert heat, and wet conditions.
- Explosion-Proof Design: ATEX Zone 1 rating allows use in areas with flammable gas/vapor, meeting high-risk industrial safety standards.
- Marine-Grade Compliance: DNV GL/ABS certifications make it suitable for shipboard fire detection (e.g., engine rooms, cargo holds).
- Easy Integration: Works seamlessly with Autronica fire alarm panels (e.g., Autronica BHH-500), simplifying safety system setup.
4. Other Autronica Fire Detection Products
Autronica offers complementary fire detection devices for diverse hazard scenarios:
- Autronica BSD-310/1: UV-only flame detector (for environments with no IR interference, e.g., indoor chemical labs).
- Autronica BSD-350/3: IR3 (triple-IR) detector (for high false-alarm-risk areas, e.g., near welding stations).
- Autronica BDH-200: Heat detector (fixed temperature: 68°C/85°C) for complementing flame detection in confined spaces.
- Autronica BSM-410: Smoke detector (photoelectric) for early smoke detection in non-hazardous areas (e.g., control rooms).
- Autronica BSD-340/1: Single-relay variant of BSD-340/2 (for simple safety system setups, e.g., small storage facilities).
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