+32 (0)3 653 21 82 |info@athex.eu

D-LX 720 Flame Monitor Fibre Optic with Software Interface

Self-monitoring and fail-safe compact flame monitor with fibre optic system and software interface, for the monitoring of gas, oil and coal flames.

Replacement product D-LX 721



Self-monitoring and fail-safe flame monitor with fibre optic system and software interface.

This product is discontinued, and replaced by D-LX 721 Flame Monitor

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

  • Wide sensitivity range
  • For ambient temperatures from -40°C up to +85°C
  • Dual channel design throughout
  • Measurement of flame flicker frequency
  • Selective to individual burners and fuels
  • Optionally with complete SIL3 certification
  • Available with cable gland, cable plug (version /MP) or as version for hazardous areas


  • Terminal box for connecting the flame monitor (D-ZS 140-12)
  • Installation flange for D-LL 703 fibre optic system (D-ZS 703)
  • Welding flange for D-LL 704 fibre optic system (D-ZS 704)
  • Wide range power supply unit for supply of several D‑LX 720 (D-NG 24/25a)
  • D-LX 200 Test kit for software supported tests of the compact flame monitors D-LX 200/720


Go to Top