Spectrex 20/20MI - Mini Triple IR (IR3) Flame Detector - Manual (Page 21)

Spectrex Inc. - SharpEye TM Mini IR3 Flame Detector Manual – TM 787100, Rev. D April 2011
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Table 6: Welding Immunity Distance – 20/20MI-1
Sensitivity Detection Range Immunity Distance
10 33 ft (10m) >10 ft (3m)
20 65 ft (20m) >15 ft (5m)
30 100 ft (30m) >20 ft (7m)
40 132 ft (40m) >33 ft (10m)
Table 7: Welding Immunity Distance – 20/20MI-3
Sensitivity Detection Range Immunity Distance
2.5 8.2 ft (2.5m) >2.5 ft (0.75m)
5 16.5 ft (5m) >5 ft (1.5m)
7.5 24.7 ft (7.5m) >7.5 ft (2.25m)
10 33 ft (10m) >10 ft (3m)