D-LX 100

Compact flame monitor

Self-monitoring and fail-safe compact flame monitor for the monitoring of gas, oil and coal flames with integrated UV, VIS or IR flame sensor, primarily in single burner view applications.

Please note that this product will be discontinued by December 31st, 2021. Further details are given in the end of life notification (English, German).

A modernised successor product is available.

Overview

  • Suitable for continuous operation and 72-hour operation according to TRD 604
  • Compact design, flame sensor and control unit in one enclosure, takes up no space in control cabinet
  • LED display for settings and operational status
  • confirmed for operation up to SIL3

Applications

  • Power stations
  • Chemical industry
  • Refineries
  • Cement plants
  • Waste incinerators
  • Steam generators
  • Heating plants

Technical Data

Operational modeIntermittent operation, continuous operation,
72-hour operation without permanent supervision
SafetySelf-monitoring and fail-safe
Auxiliary supply24 VDC
Flame relay1x NO contact, 230 VAC, 2 A
Status relay1x NO contact, 230 VAC, 2 A
Flame Failure Detection Time (FFDT)1, 3, 5 s
Flame intensity0/4...20 mA
Spectral rangesUV, VIS, IR
Number of ranges1
Switching threshold0...9
Viewing angle
DisplayLED display
Perm. ambient temperature-20...+60°C
Sighting tube connectionG 1¼" or 1¼" NPT(F)
Purge air connectionG ½" or ½" NPT(F)
Protection classIP67
Dimensions90 x 92 mm, length approx. 350 mm
Weightapprox. 1.8 kg
Ex protection
D-LX 100 ../94ExII 2G Ex de IIC T5/T6
D-LX 100 ../95ExClass l, Div. 1, Group B, C & D
D-LX 100 ../96ExClass l, Div. 2, Group A, B, C & D
D-LX 100 ../97ExII 3G Ex nAnC IIC T6
Sighting tube connectionG 1“ (/94Ex, /95Ex)
G 1¼" (/96Ex, /97Ex)
Protection classIP65
DimensionsØ130 mm, length 313 mm
Weightapprox. 4.3 kg

Accessories

  • Digital display for optimal adjustment of the flame sensors by measuring the pulse rate and its extreme values (D-ZS 087-20)
  • Set of orifice plates for insertion in purge air flange (D-ZS 113 Set)
  • Optical adjustment aid for the alignment of the Swivel mount on the sighting tube (D-ZS 118)
  • UV-C test light source 230 V / 50 Hz (D-ZS 077-10)
  • UV-A, UV-B and IR test light source 230 V/50 Hz (D-ZS 093)
  • Swivel mount for alignment of flame monitor to the flame to be monitored (D-ZS 033-I)
  • Thermal isolator with electrical insulation (D-ZS 117-I)
  • Ball valve for closing sighting tube (D-ZS 133-I)
  • Terminal box for connecting the flame monitor (D-ZS 140 / 141)
  • Wide range power supply unit for supply of several D‑LX 100 (D-NG 24/25a)

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