General features 
•  Maximum outdoor range: 
- SB250-N : 50 m 
- SB2100-N : 100 m 
- SB450-N : 50 m 
- SB4100-N : 100 m 
- SB4200-N : 200 m 
The range of an infrared detector depends directly on visual range. 
Maximum range of an infrared cell according to visibility: 
- When visibility is 200 m, the range is 200 m. 
- When visibility is 60 m (dense fog), the range is 100 m. 
•  Four user-selectable frequencies (channels) for distinguishing between 
different detectors. 
•  SB250-N and SB2100-N detectors are equipped with one cell. 
•  SB450-N, SB4100-N and SB4200-N type detectors are equipped with two 
cells dual-beam. 
•  2 operating modes for SB450-N and SB4100-N: “AND” and “OR”. 
•  SB250-N, SB2100-N and SB4200-N have only 1 operating mode: “AND”. 
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SB Series AIR Beam Detectors Installation Manual