3
AN INTRODUCTION TO SMOKE TECHNOLOGY
Smoke Machine Markets
Jem / Martin smoke machines are categorised into 2 ranges: The
Professional
and the
Club / DJ
range.
If a product is branded as a “Martin” product this is aimed at the
Club / DJ
market.
All products branded as a “JEM” product are classed as
Professional
and are aimed at the higher end touring /
installation market.
All JEM / Martin Smoke products can be used across both of the different markets without any
compromise of
performance or features.
Smoke machine principles:
All JEM / Martin
conventional
smoke machines utilise the same technology:
In Brief:
When the
run button
on the
remote
is pressed,
smoke fluid
is pumped from a removable
container
situated within the machine via the flexible fluid pipe into an
oscillating piston pump
.
The
fluid
passes through the
pump
and enters the
heat exchanger
were the
fluid is vaporised
and
exits as thick, white
smoke
.
The
heat exchanger
is comprised of a
heating element
and a
coil
of copper or steel tubing between 3 and 6
metres in length. This is cast into a mass of
aluminium
.
The
heat exchanger
is heated via the
heating element
.
This is controlled by a
J Type thermocouple
fitted to the
heat exchanger.
The
temperature
is determined by the
calibration
of the
main control PCB
.
Once the working
temperature
is reached, the
main control PCB
will allow the
pump
to be operated and the
machine will now be ready to
run
.
Haze machine principles:
The JEM ZR24/7 and Magnum Hazer work on the same smoke generation principles as the JEM / Martin
smoke machines.
The only difference is the smoke output on a hazer exits into a
metal chamber
where there is a
fan
creating a
fast moving air stream
. This air stream
disperses
the smoke output and creates the
haze
.
Again the principles are identical to that of a
conventional
smoke machine.
There is a
pump, heat exchange, PCBs
and
onboard controls
. The major difference is the
air chamber
.
A
radial fan
is used with this system. It is used to allow the exiting smoke to have the
maximum dispersal
.
As with several of the smoke machines, the haze machine has a
low fluid shut off
system. This is an
electronic temperature control device
that measures the
temperature
of the
heat exchange
over a short
period. If the
temperature
has not changed but the unit has been
pumping
; the unit will assume that the
system has
run out of fluid
and shut down.
This prevents the system from running dry and burning out
the pump.
Summary of Contents for AF-2
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