Hydrogen Flame Detector – D-LX 201

DURAG GROUP

Very large temperature range
Wide dynamic range
Ideal support for Functional Safety
Extensive certifications
Local display

The D-LX 201 Compact Flame Monitor is an advanced optical flame monitoring device designed for use in complex multi-burner plants. It offers a wide dynamic range of five orders of magnitude and is fully certified to EN 61508 1–7 up to SIL 3, ensuring high safety standards. The device provides real-time analysis of flame stability, making it ideal for safe process control even with strong and fast load changes. It features a local display with LEDs for operational status, settings, and flame intensity, allowing for easy monitoring. The D-LX 201 is available in different housing variants (P2, M5, M4) and supports various configurations with optional accessories like purge air flanges, heat insulators, and swivel mounts. It is certified for use in explosive environments and offers reliable performance across a wide temperature range, making it suitable for diverse applications.

Use Cases

Optical flame monitoring in complex multi-burner plants
Safe process control with flame stability analysis
Protection against unscheduled burner shutdown
Meeting special requirements for different combustion situations and fuels
Hydrogen burner monitoring (100% H2 or H2-mix fuels)
Low-NOx burner systems

Capabilities

Real-time analysis of flame stability
Ideal support for Functional Safety
Local display of operational status and flame intensity
Real-time information flame stability (optional)
Wide dynamic range with automatic gain adjustment

DURAG GROUP DURAG GROUP, a German gas analysis and measurement technology company, supports hydrogen purity monitoring through its subsidiary AP2E's ProCeas gas analyzers, which have been developing hydrogen industry solutions since 2015 and participated in the EU-funded MetroHyVe research project for controlling hydrogen purity per ISO 14687:2019. The ProCeas gas analyzer, based on patented OFCEAS (Optical Feedback Cavity Enhanced Absorption Spectroscopy) technology combined with low-pressure sampling (LPS), monitors trace-level impurities such as CO, HCHO, NH3, H2S, COS, and H2O at hydrogen refueling stations, providing real-time contaminant detection compliant with ISO 14687, EN 17124, ISO 19880, and Northern Lights CCUS specifications with no drift and no recalibration required. SGS France's laboratory in Harfleur uses ProCeas devices to monitor hydrogen purity for mobility applications (grade D, 99.97% purity), quantifying 14 different impurities from ppb to ppm levels in a single sample injection. DURAG GROUP also provides H2-ready combustion control and safety solutions including customized burners, igniters, flame scanners supporting up to 100% hydrogen fuel mixtures, and video/thermography monitoring systems for safe, reliable operation with complex and variable fuel mixtures.

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