China DDX-1 Electric Whistle Signal Unit:
DDX-1 Electric Whistle Signal Unit
1) Annex III of Convention on The International Regulations for Preventing Collision at Sea (COLREG) 1972 and its Amendments.
2)Maritime Administration of the People's Republic of China: "Regulations on Legal Inspection of Ships and Marine Facilities-Domestic Navigation Sea Vessels Legal Inspection Regulations" Chapter 13 of Part 4
3) Maritime Administration of the People's Republic of China: "Regulations on Legal Inspection of Ships and Marine Facilities -Domestic Navigation Sea Vessels Legal Inspection Regulations" Chapter 8 of Part 4
4)IEC 60945:2002/COR1:2008 Maritime Navigation and Radiocommunication Equipment and Systems-General Requirements-Methods of Testing and Require Test Results.
Colour: White RAL7035
Shell material: Q235B
Power supply: AC220V±10% , DC24V±10%
IP rating: IP22
Power: 100W/200W
Power consumption: 250W/500W