The flame scanners FFS07 and FFS08 are developed for the different, spectral bands of radiation as well as different types of fuel:
- Applicable for outdoor area usage
 - FFS07 applicable Ex-Zone II
 - FFS07 Ex applicable Ex-Zone I + Ex-Zone II
 - Available types for UV and IR
 - DIN EN 61508 Part 2 – SIL 3