E sil-2 features, E.1.2.1 conditions for safe operating, Sil-2 features – Spectrex 40/40L-LB UV/IR Flame Detector Series User Manual
Page 77: 40/40lb, l4b flame detector, E.1.1, Safety relevant parameters, E.1.2, Esil-2 features, E.1.1 safety relevant parameters