ex-proof visual-audible telephone call sounder ( VS1)[1 Feb. 2012, 6:27:27]
Keterangan
explosion proof visual-audible telephone call sounder
for universal applications in industrial explosion endangered areas
for distinct signalling of incoming telephone calls in loud ambient conditions
3 tone types and up to 4 tone frequencies selectable via DIP switch
230 V power supply
strobe beacon with call break bridging, 5 lens colours
Prioritas Idnwork Tahun ke-15
27C153F4