The Drager PSS Merlin Telemetry is designed to enhance the safety
of the fire fighter during active fire fighting duties – ensuring a
disciplined entry control procedure and the accountability of
fire fighters during active duties whilst logged into the Merlin
Entry Control Board.
Integrated into backplate leaving waist belt free
Reduced problems of snagging during stowage
Utilises a single rechargeable battery
In-cab charging available for the battery
4-way charger with battery health check available
TELEMETRY AT YOUR SERVICE
This technology for life system shares the
information available to the firefighter on
his Bodyguard® 7000 with the PSS Merlin
Entry Control Board positioned outside the
emergency area. Distress to wearer
and recall signals can be sent and
acknowledged including mass evacuation
A voluntary withdrawal signal can
also be sent and acknowledged indicating
the firefighter is leaving the incident. Using
state of the art radio technology, the Drager PSS
Merlin is a fully automatic, electronic
breathing apparatus monitoring system.
It incorporates a control board, the
Bodyguard and a radio unit. The system
allows a team leader to monitor the exact
status of up to 12 individual team members
simultaneously and from outside the
Bodyguard is an advanced
electronic monitoring and signalling
device of Dräger, which combines
pressure gauge, end of service warning,
motion sensing and distress signalling
into a single instrument.
receives constant information from the
Bodyguard, which is repeated on PSS
Merlin Entry Control Board allowing the
team leader to have the same real time
PSS MERLIN MODEM
This is specifically designed for use on
Bodyguard 7000 fitted to both PSS 7000
and PSS 5000. This unit is fitted on the
backplate under the cylinder affording a
more streamline and user friendly fitment.
The power supply for this unit is a
rechargeable NiMH battery pack which is
also used by the Bodyguard 7000.
A kit is
available which incorporates all parts to
update your PSS 7000 or PSS 5000 to give
you the enhanced safety of firefighter
information outside the emergency
An in-cab charger is available to
ensure operational readiness at any time.
With this design no wires are used giving
much improved serviceability.
Complementing our Bodyguard 7000
electronic monitoring system, the PSS
Merlin modem utilizes a NiMH rechargeable
battery pack centrally integrated within the
backplate of the breathing apparatus.
The Dräger in-cab charging solution is
designed to be wired into the vehicle’s own
electrical supply and control system, and
comprises a central charging unit with
input and output leads for this purpose.
Connection to the breathing apparatus
is by means of a durable clip connector
located at the jump seat, which will
disconnect automatically as the wearer
leaves the cab of the fire vehicle.
intelligent charging system will automatically select either fast or maintenance
charging mode, according to the status of
the battery. Battery status can also be
determined visually by means of the LED
mounted on the unit. Maintenance mode
is employed once a full charge is attained,
and intelligence of the system ensures that
overcharging does not occur.
4-WAY BENCH CHARGER
For those users who wish to maintain
battery packs outside of the breathing
apparatus, Dräger has developed a bench
system, including mains power supply,
which allows up to 4 battery packs to be
This unit will
also automatically select either fast or
maintenance charging mode, according to
the status of the battery.
charger can also perform a health check
on each pack, resulting in a final calibration
to ensure the accuracy of the battery
condition signals. We recommend the
health check to be run every 6 months, and
this is initiated by means of controls on the
front of the unit, allowing individual battery
packs to be checked.
The power supply
module provides 12V DC output to the
4-Way charger via a single 2.5 mm jack
plug. A green LED situated on the power
supply indicates mains input.