D-LE 701 Flame sensor with fibre optic system
D-LE 701 flame sensor (flame scanner) for use with
- flexible fibre optic system D-LL 701
- rigid fibre optic system D-LL 702
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D-LE 701
- Self-monitoring and fail-safe flame sensor
with a fibre-optic connection (in conjunction
with a control unit/burner control)
- Monitoring of gas, oil and coal flames
- Connection to the D-UG 120, D-UG 660 control unit and the D-GF 150 burner control
- Spectral range from UV to IR
- Uniform output signal thus mutually interchangeable
- Adjustable to different combustion technologies such as exhaust gas recirculation.
- Applications
- Certifications
- 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
- Power stations
- Chemical industry
- Refineries
- Cement plants
- Waste incinerators
- Steam generators
- Heating plants.
| Operation mode | Intermittent operation, continuous operation and 72-hour operation without permanent supervision |
| Safety | Self-monitoring and fail-safe in conjunction with a control unit/burner control |
| Gain | four settings |
| High-pass filter | three settings |
| Spectral ranges | UV, VIS, IR |
| Protection | with cable gland (D-LE 701…-CG) IP65, with axial plug (D-LE 701…-P) IP67 |
| Perm. ambient temperature | -20…+60°C |
| Dimensions | 160x185x100 mm (WxHxD) |
| Weight | approx. 1.2 kg |
- Digital display for 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 flame sensor (D-ZS 140)
- Installation flange for D-LL 702 for fibre optic system (D-ZS 702)
- Welding flange for D-LL 702 for fibre optic system (D-ZS 704).
