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The Corona OMG system produces an oil mist / fog of a consistent particle size and distribution throughout a wide range of pressures. 

Developed from the aerosol generating systems that Corona have produced for over 40 years (used to challenge HEPA filters with known aerosol concentrations), the OMG uses precision components throughout to ensure reliable and consistent operation.

The independently heated and temperature controlled oil reservoir ensures that the oil under test is at a constant viscosity.

Adjustment of the particle size from 0.2 micron mmd is possible via a precision mixing valve regulator.

Oil mist / fog from the OMG can be passed through flexible ducting if required using optional ducting adaptors (1, 2 and 3 available), or alternatively an extended nozzle can be fitted to allow entry into a pressurized system.

It uses an oil based fluid and inert gas, either CO2 or Nitrogen, as a propellant. A short burst of propellant purges the machine of any fluid residue at the end of each operating cycle.

The OMG is equipped with a wired remote control. Wireless remote available as an optional extra.


  • Adjustable Particle size from 0.2 micron mmd
  • Fully automatic self purge after every operation
  • Independently heated reservoir to ensure consistent viscosity of oil 
  • Splash Proof Switching
  • IP 65 Microprocessors with PID control
  • Machined Heater block, guaranteed for life
  • Quick connect coupling to any size of inert gas bottle and regulator

.Oil Mist Generator (OMG)

Principles of Operation

The oil mist / fog media is stored in the OMG in a heated pressure tank, the temperature of which can be controlled to ensure a consistent and appropriate oil viscosity. Temperature control of the reservoir is via its own PID microprocessor controller, allowing independent control from ambient to 70C / 158F.

The heat exchanger within the OMG is controlled by a second programmable microprocessor controller, the parameters of which can be adjusted to suit the specific physical properties of the oil in question. The high watt density cartridge heaters within the heat exchanger are controlled via a solid state relay, which proportionally bursts power to the heat exchanger to maintain optimum response time with minimum overshoot.

Oil mist / fog can be produced above a minimum temperature alarm value, which can also be adjusted to suit the physical properties of the test oil. Once this state is achieved, oil mist / fog is produced by pressurizing the integral oil tank with an inert carrier gas.

A mixture of oil and inert gas is then passed through the precision, machine heat exchanger chamber. The oil is vaporized, and the resulting vapor condenses on exiting the heat exchanger to form a dense, controllable oil mist / fog.


Corona's CFC180 Oil mist / fog has been extensively tested by independent bodies, including the Health and Safety Executive to ensure that it is non toxic and non flammable, Copies of the Health and Safety Data Pack are available on request. However, risk assessments should be carried out prior to the use of other "oil types" through the OMG.

Inert Gas Supply

Corona recommends that only approved CO2 or Nitrogen gas is used as a propellant.

  Note !

Compressed air should not be used. It contains Oxygen and hence the risk of forming a flammable aerosol is increased.

General Specification (approx) - OMG

  • Aerosol output: 5(g/sec) 0-850,000
  • Duration at max output before refill: 85 minutes
  • Mist/Fog Particle diameter (micron, mass median): From 0.2 micron mmd
  • Warm up Time: 6.5 minutes
  • Power Supply: 110 Volt, 50 - 60 Hz, 10 Amps (220 Volt optional)
  • Power Consumption: 2.2 KW
  • Size: 21 x 7 x 17
  • Weight: 44 lbs.


...Print Vicount Smoke Generator Specification Sheet

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Page by js '06                  Last updated on


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