1. General Introduction
Durag D-LX 201 flame monitor investigates intensity and frequency of the flame flickering as well as the stability of the flame. It monitors the flame the device evaluates electromagnetic radiation in the ultraviolet, visible and infrared region of the spectrum for its flame specific portions and analyses these in more detail. As a safety device the D-LX 201 is built fail safe and self monitoring. Through its design as a compact flame monitor it possesses a direct relay output for the flame signal. But as a modern flame monitor it also provides additional information about the flame via adequate bus systems. It mainly come with typical features as below:
u Safe process control: Even during strong and fast load changes of the combustion plant the process can be controlled safely by the flame stability signal. Reactions in due time are possible.
u Higher flexibility for different loads and different fuels: Excellent selective flame monitoring and information concerning the stability of the flame makes it possible to run the plant in less stable regimes
u Protection from unscheduled shutdown of the burner: Burner specific information concerning the stability allows decisions for preventative maintenance of the burner
u Fulfillment of special requirements: Flexible pre-settings for different combustion situations and fuels
u Same technology for the most variable application conditions: The same device technology can be used without change for the most different geographical regions and based on varying systems of standards
2. General Specification
Spectral sensitivity | UAF: 280 … 410 nm UA: 190 … 520 nm IG: 780 … 1800 nm | Electrical connection | 24 V , 5 W, PELV |
Ambient temperature | –40 °C … +85 °C; /86Ex, /87Ex: –40 °C … +65 °C | FFDT (safety time) | 1, 2, 3, 5 s (separately per Range) |
Relay outputs | Flame relay Ready for operation relay Closing contacts, 24 V , 0.5 A | Analogue output (signal configurable) | 0/4 … 20mA, 750 Ohm max. |
Optional real time information | Flame stability analysis | Ingress Protection | IP66 / IP68 IP65 (/MP3) IP66 (Ex-versions) |
Process connection | G1/4“ or NPT1/4" F | Purge air connection | G1/2“ or NPT1/2" F |
Viewing angle | 6° | ||
Dimensions | Hsg. P2 80 x 80 x 250 mm Hsg. M5 100 x 100 x 260 mm Hsg. M4 ∅ 120 mm Length approx. 310 mm | Weight (w/o cable) | Housing P2 approx. 0.9 kg Housing M5 approx. 1.2 kg Housing M4 approx. 2.8 kg |
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Tel: +971558915937
Fax: +971558915956
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