TM 20/20MPI, Rev (D) September 2013
False Alarms Prevention
11
Table 4: Welding Immunity Distance
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
140 ft. (43m)
>33 ft. (10m)
