SEFAR-BZS Wireless communication system for mine rescuers in
Contents
1. THE EUROPEAN REGIONAL DEVELOPMENT FUND AND THE MINISTRY OF INDUSTRY AND TRADE OF THE CZECH REPUBLIC SUPPORT INVESTMENT IN YOUR FUTURE Zam Servis SEFAR BZS Wireless communication system for mine rescuers in action x Certificate ATEX Base station Use SEFAR BZS is used as a rescuer connection for rescuers taking actions in gas explosion hazard areas or in closed underground areas tunnels mines It makes communication possible for up to 5 members of the rescue team with the base station placed out of the hazard area The communication system consists of three main parts Base station ZS Antenna and Rescue station ZSt Communication system description The base station is a box There are ON OFF and volume controls loudspeakers output to connect the antenna input to connect the supply voltage input to connect the microphone and input to connect the head set on the front of the box The antenna output is in version M1 Ex ia I The box includes control electronics an accumulator and a charger The box is designed as a case made of plastic and aluminium compounds Its use in the underground mine environment is allowed with dispensation by the Czech Mining Authority The antenna consists of a special coaxial cable that is reeled on a cable drum to be handled and transported easily The electronics of the drum includes signal amplification route branching and or terminator of the made route The lengt2. Ah 15W 0 C to 40 C max of 95 w o cond IP 54 400 x 450 x 170 mm 13kg I M1 Exia l 7 4V 5 5 8 4V 200mA 2200mAh 0 C to 40 C 95 without cond IP 65 70 x 175 x 45mm 630g I M1 Exia l 200m 10 0 C to 40 C 95 without cond IP 54 470 x 400 x 235mm Weight of the drum with cable 20kg The catalogue sheet includes only some selected important parameters for your decisions For designing purposes always ask for our user manual to this product and possible technical consultation on possibilities of use ISO 9001 2001 ZAM SERVIS s r o K i anova 1116 14 702 00 Ostrava P voz V100714 tel 420 596 135 422 email Zam zam cz www zam cz Zam Servis THE EUROPEAN REGIONAL DEVELOPMENT FUND AND THE MINISTRY OF INDUSTRY AND TRADE OF THE CZECH REPUBLIC SUPPORT INVESTMENT IN YOUR FUTURE The catalogue sheet includes only some selected important parameters for your decisions For designing purposes always ask for our user manual to this product and possible technical consultation on possibilities of use ISO 9001 2001 ZAM SERVIS s r o KriStanova 1116 14 702 00 Ostrava P voz V100714 tel 420 596 135 422 email Zam zam cz www zam cz
3. h of the cable reeled on the drum is 200m A route of the total length up to 5km can be made from the individual drums One cable end is terminated with a connector to connect to the base station or to the previous drum and the other end is connected to the electronics in the drum The other input into the electronics is realized by a connector placed on the drum cover The rescue station consists of a small box with the following elements ON OFF amp volume controls emergency signal switch LED signalling that the station is ON and or the emergency switch is ON microphone and antenna There is a loudspeaker placed on the front of the station The rescue station is supplied from an accumulator unit that provides 10 hour operation The rescue station is in the transmission and reception modes all the time The base station is in the reception mode all the time also during the transmission period Rescue station Cable drum Technical parameters Base station SEFAR BZS A Model Supply voltage Input Ambient temperature Humidity Protection level Dimensions Weight Rescue station SEFAR BZS C Design Nominal supply voltage Operational voltage Consumption Accumulator Ambient temperature Humidity Protection level Dimensions Weight Cable drum SEFAR BZS D Design Cable length Number of drums max Ambient temperature Humidity Protection level Dimensions M1 Ex ia Accumulator 12VDC 24
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