D-LX 700 Compact flame monitor with fibre optic system

Application with
- flexible fibre optic system D-LL 703
- or rigid fibre optic system D-LL 704.

  • 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
  • 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 furnaces.
  • Applications
  • Technical Data
  • Downloads
  • Accessories
  • Burners with difficult installation conditions for conventional flame sensors or on those whose environmental temperature near the sighting tube is too high
  • Chemical industry
  • Refineries
  • Steam generators
  • Heating plants.
Operational mode Intermittent operation, continuous operation, 72-hour
operation without permanent supervision
Safety Self-monitoring and fail-safe
Auxiliary supply 24 VDC
Flame relay 1x NO contact, 230 VAC, 2 A
Status relay 1x NO contact, 230 VAC, 2 A
Safety time 1, 3, 5 s
Flame intensity 0/4...20 mA
Spectral ranges UV, VIS, IR
Number of ranges 1
Switching threshold 0...9
Viewing angle
Display LED display
Protection class IP67
Perm. ambient temperature -20...+60°C
Dimensions 90 x 92 mm,
length approx. 350 mm
Weight approx. 1.8 kg
  • Digital display for optimal adjustment of the flame sensors by measuring the pulse rate and its extreme values (D-ZS 087 - 20)
  • UV-A, UV-B and IR test light source 230 V/50 Hz (D-ZS 093)
  • Terminal box for connecting the flame monitor (D-ZS 140 / 141)
  • Installation flange for D-LL 703 for fibre optic system (D-ZS 703)
  • Welding flange for D-LL 704 for fibre optic system (D-ZS 704).

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