sound level of 80, 85 and 90 dB(A) For visual signaling devices: for devices in category O in types of application: Indicate, Warn, Alarm (according to EN 54-23 light intensity of minimum 0,4 lm/m²) Perc [...] ambient noise level and light intensity into account, focusing on the extent to which signals can be guaranteed to be heard and seen – an essential requirement for safe signaling solutions. Ideal sizing [...] presented in typical specifications. The goal of 3D-Coverage is to provide a visual representation of the effective range of the signaling device, lending justification to its successful implementation in the