Description:
The BMA (Battery Mini Amplifier) is a
battery powered amplifier unit that provides
voice communications and signalling
facilities.
An internal Nickel Metal Hydride battery is
trickle charged from a central power supply
unit via an interconnecting cable.
It comprises a steel enclosure which
houses two side facing loudspeakers, and a
polycarbonate amplifier unit (BMA Interior).
The BMA Interior includes a microphone
behind a grill on the front and three push
buttons. The whole unit is sealed to IP65 to
withstand arduous environments.
Cable entries (20mm) are provided at each
side of the unit. Internal connections are by
plugs and sockets for easy maintenance.
Stand-alone voice communication and
signalling can be provided by a PSU and a
number of BMAs interconnected by a 3-
core cable.
Applications:
Underground loudspeaking intercom unit for use in the mining sector where signalling or voice communications are required
Approvals:
Complies with EN50 014/020
Interior BaseefaATEX0011U
Battery BaseefaATEX0302U
The GAI-Tronics Quality Management System has been approved by LRQA to
ISO9001:2008 Certificate No. 861888
ISO 14001:2004 Certificate No. 861888
OHSAS 18001:2007 Certificate No. 4004472