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.
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