5 | Product description
D-LX 201/721
35
Type Spectral
range (nm)
Suitable for fuels Features
Gas Oil Coal Wood
D−LX 201 UA
D−LX 721 UA
190-520 ++ ++ + Monitoring of gas and oil
flames, even in low-NOx
combustion.
D−LX 201 UAF
D−LX 721 UAF
280 - 410 + ++ Monitoring of very intensive
gas and oil flames, even in
low-NOx combustion.
D−LX 201 IG
D−LX 721 IG
780 - 1800 0 (++)* + ++ ++ Monitoring of oil and wood
dust flames and coal
flames.
Table5.2: Suitability of device variants (spectral ranges)
Symbol guide
:
+
The flame monitor is suitable for use with this fuel.
++
The flame monitor is ideally suitable for use with this fuel.
0
The flame monitor is suitable to a limited extent for use with this fuel. The monitoring
properties would depend to a large extent on the combustion method.
*
Gas may also be monitored in single-burner systems.
The table is based on years of experience with a range of different combustion plants.
A specific flame behaviour due to the combustion method used in an individual case
cannot, however, be taken into account. As a result, there may be deviations from this
table.
All flame monitor types are offered in the following housings:
Name Material Explosion protection
Plastic No
Aluminium Suitable for zone 2 and zone 22
No
Aluminium Suitable for zone 1/2 and zone 21/22
stainless steel
Table5.3: Housing and explosion protection
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