Det-Tronics U9500A1001 Product Introduction
1. Product Overview
The Det-Tronics U9500A1001 is a high-sensitivity industrial flame detector engineered for early fire detection in hazardous environments. It serves oil & gas, petrochemical, chemical, and marine industries, focusing on monitoring areas like storage tanks, process vessels, and offshore platforms—critical for mitigating fire and explosion risks.
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 Det-Tronics safety controllers ensures seamless integration into safety instrumented systems (SIS)—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: 185–260 nm; IR: 4.35 μm (targeting hydrocarbon flame emission)
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Detection Range
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Up to 30 m (98 ft) for hydrocarbon flames (e.g., methane, propane)
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Response Time
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≤300 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 (≤1000°C)
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Output Signals
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4–20 mA analog (flame intensity); 1 digital alarm relay (SPDT, 250V AC/1A)
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Power Supply
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24 V DC (18–32 V DC); Power consumption: ≤1.5 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/pipe (optional brackets)
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Certifications
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SIL 2 (IEC 61508); ATEX; IECEx; UL 61010-1; CSA C22.2 No. 61010-1; NFPA 72
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3. Product Specifications & Features
3.1 Core Specifications
The Det-Tronics U9500A1001 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 signature of hydrocarbon combustion), eliminating false alarms from non-flame sources. Its 30 m detection range covers large areas (e.g., refinery tank farms), and ≤300 ms response time ensures early fire alerts—critical for fast safety actions (e.g., activating suppression systems).
The 4–20 mA analog output transmits flame intensity data (enabling trend monitoring), while the digital relay triggers immediate alarms. The 316L stainless steel housing and IP68 protection resist corrosion (e.g., saltwater in marine applications) and submersion (up to 1m for 24h), ensuring durability in harsh settings.
3.2 Key Features
- Dual-Sensor Accuracy: UV-IR combination delivers >99% flame detection reliability and strong false alarm immunity, avoiding unnecessary shutdowns.
- Wide Environmental 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 safety standards.
- Easy Integration: 4–20 mA/relay outputs pair seamlessly with Det-Tronics CGSS series controllers, simplifying SIS setup.
- Low Maintenance: Sealed sensor design and long service life (≥10 years for IR sensor) reduce maintenance frequency and costs.
4. Other Det-Tronics Flame Detection Products
Det-Tronics offers complementary flame detectors for diverse hazard scenarios:
- Det-Tronics U9500A1002: UV-only variant (for environments with no IR interference, e.g., indoor chemical labs).
- Det-Tronics U9500A1003: IR3 (triple-IR) detector (for high false-alarm-risk areas, e.g., near welding stations).
- Det-Tronics X3301: Compact UV-IR detector (smaller footprint for space-constrained areas, e.g., offshore rig cabins).
- Det-Tronics U9500A1004: High-temperature variant (up to +125°C operating temp, for furnace proximity monitoring).
- Det-Tronics FSC Series: Fiber-optic flame detectors (for remote/harsh areas, e.g., inside process vessels).
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