Hydrogen Flame Detector – D-LE 103

DURAG GROUP

Flame sensor for monitoring gas, oil, and coal flames
Compliant to general safety regulations
Suitable for power stations, chemical industry, refineries, cement plants, waste incinerators, steam generators, and heating plants
Includes accessories like optical adjustment aid, UV-C test light source, UV-A/UV-B/IR test light source, swivel mount, thermal isolator, ball valve, and terminal box
Certified with DVGW, UL 372, FM Class 7610, AGA: AS 4625, EAC, and SIL3

The D-LE 103 Flame Sensor is a specialized device designed for monitoring gas, oil, and coal flames, primarily in single burner view applications. It features self-monitoring and fail-safe capabilities when integrated with a control unit or burner control, ensuring reliable operation in critical environments. The sensor is available with different photo elements to optimize selectivity for various fuels, making it versatile for different applications. It connects to control units such as D-UG 120 and D-UG 660, as well as burner controls like D-GF 150 (-MB). The sensor generates a signal proportional to flame radiation intensity, which is used as an input signal for control units or burner controls. It is compliant with general safety regulations and is suitable for use in power stations, chemical industry, refineries, cement plants, waste incinerators, steam generators, and heating plants. The D-LE 103 Flame Sensor is available with different models, including cable gland (-CG) and axial plug (-P), and comes with various accessories such as an optical adjustment aid, UV-C test light source, and thermal isolator with electrical insulation.

Use Cases

Power stations
Chemical industry
Refineries
Cement plants
Waste incinerators
Steam generators
Heating plants
Hydrogen burner monitoring (100% H2 or H2-mix fuels)

Capabilities

Flame monitoring for gas, oil, and coal flames
Self-monitoring and fail-safe in conjunction with a control unit/burner control
Connection to D-UG 120 and D-UG 660 control unit as well as D-GF 150 (-MB) burner control
Uniform output signal thus mutually interchangeable
Compliant to general safety regulations

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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