D-GT 800

Flame sensor

Flame sensor (flame scanner) for the monitoring of gas and oil flames, primarily in gas turbines or in particularly harsh environments.


  • Optionally available with air/water cooling
  • Deployable with high combustion chamber overpressure
  • High vibrational stability.
  • Conforms to general safety regulations
  • Self-monitoring and fail-safe in conjunction with a control unit/burner control
  • Connection to the D-UG 120, D-UG 660 control unit and the D-GF 150 burner control


  • Burners with difficult installation conditions for conventional flame sensors or on those whose environmental temperature near the sighting tube is very high
  • Power stations
  • Chemical industry
  • Refineries
  • Waste incinerators
  • Steam generators
  • Heating plants
  • Gas turbines

Technical Data

Operational modeIntermittent operation, continuous operation and 72-hour operation without permanent supervision
SafetySelf-monitoring and fail-safe in conjunction with a control unit/burner control
ProtectionWith cable gland (D-GT 800.../801...-P) IP67, Ex-Version (D-GT 800.../801.../Ex) IP66
Ex-Protection (D-GT 800/810 Ex)II 2G Ex d T4/T5/T6
Spectral rangeUV
Viewing angle
Perm. ambient temperatureWithout cooling: -20…+120°C
Air cooling: -20…+200°C
Water cooling: -20…+300°C
Vibration10 g
DimensionsØ100 mm; length approx. 190 mm
WeightWithout cooling: approx. 1.5 kg,
with cooling: approx. 2.0 kg
Max. combustion chamber overpressure30 bar
Sighting tube connection¾“ NPT (F)
Cooling connection½“ NPT (F)


  • UV-A, UV-B and IR test light source 230 V/50 Hz (D-ZS 093)
  • Terminal box for connecting the flame sensor (D-ZS 140, D-ZS 141)

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