Ultrapure nitrogen fogger to visualize airflow and turbulence

Applied Physics, Inc.

Clean Room Fogger, CRF4

Ultrapure Nitrogen Fogger, AP35

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Ultrapure Fogger, LN2 Fog Generator

The AP32 ultrapure Nitrogen fogger has been superseded by the AP35 Ultrapure Fogger with more fog volume and fog density. AP32 uses liquid nitrogen and DI water or water for injection to produce a dense, ultrapure fog at 493 ml per minute, to provide superb visualization of airflow, patterns, direction, turbulence, dead zones and velocity for up to 70 minutes in clean rooms, ISO suites, sterile rooms, barrier isolators and medical rooms. The fog output 4.6 cubic meters per minute with about 20 feet airflow visualization of turbulence in the airflow and around equipment. 3D airflow modeling can be accomplished with this level of fog volume. No airflow contamination is created and no clean is required after visualizing airflow with an ultrapure fog.

The AP32 Ultrapure Fogger provides the highest volume of fog to visualize airflow for periods up to 70 minutes with about 20 feet of visible airflow distance. High purity fog requires no cleanup of any kind after fogging! If visual airflow modeling is needed, the AP32 Ultrapure Fogger is the tool capable of providing 493 ml per minute of fog density, high fog volume with superb visual airflow distance to achieve 3D airflow modeling. - Request a Quote

UltraPure fogger - The AP32 nitrogen fog generator is used in clean rooms, ISO suites and sterile rooms to provide visualization of airflow, flow patterns, dead spaces and turbulence. Nitrogen fog generators support Pharmaceutical guidelines, USP 797 In-Situ Airflow Analysis, ISO 14644-3 Annex B7 guidelines and semiconductor clean room guidelines.

The ultrapure fogger uses liquid nitrogen and De-ionized water or WFI (Water for Injection) to generate a high purity fog with a fog output of 4.6 cubic meters of ultrapure fog per minute for 70 minutes with about 25 feet visible airflow distance, providing more than 322 cubic meters of ultrapure fog. Water for Injection is often used in ISO suites, sterile rooms and clean rooms. Liquid nitrogen is filled into an LN2 dewar, while DI Water is filled into a Stainless Steel chamber. Water is brought to a high temperature and the LN2 boils at room temperature, allowing the vapor from both liquids to form a highly dense, high purity fog. The boiling process creates an ultra pure nitrogen and water vapor. The two vapors then mix together to form a nominal 3 micron vapor droplet at an extremely high fog density of 493 ml per minute. The high purity fog exits at very low pressure, making it buoyant in the airflow. It is highly visible and does not create a disturbance as it enters the airflow. Ultrpure foggers provide the greatest visible distance to visualize airflow, turbulence and patterns. The high fog density is superb to visualize airflow, and when using video, the dense fog is easily tracked in the airflow of a sterile room, clean room or ISO suite. The nitrogen fog generator does not generate any contaminants in the airflow and evaporates back to the same elements we breathe, that being oxygen, nitrogen and hydrogen. Although DI water is quite clean, the LN2 chamber is grounded which helps to add additional purity to the 16 Meg Ohm DI water vapor process. The very high density of ultrapure fog provides superb visualization of airflow, patterns and turbulence. It also has the advantage of providing increased visual distance of the moving airflow. Ultrapure nitrogen foggers create the most pure form of fog that can be used in clean rooms, ISO suites and sterile rooms.

A nitrogen fog generator creates the purest form of fog, particle free, non-contaminating, leaving no contamination or residue behind; thus no cleanup after fog use is required. The ultrapure fog enters the airflow at very low pressure and does not create airflow turbulence. It is CE Mark and compliant to ISO and USP guidelines, and can be used in Class 1 - 100,000 clean rooms for airflow, turbulence visualization, flow balancing and contaminant transport studies. The AP32 ultrapure fogger produces a high volume of fog.

Watch video of the UltraPure Cleanroom Fogger
AP32 nitrogen fog generator
Ultrapure Fog Generator, 4.6 cubic meters / minute for up to 70 minutes, 20 feet visible airflow and 493 ml per minute of fog density

Performance of the AP32 Ultrapure Fogger- Request a Quote

Metric AP32 Ultrapure Fogger Other Ultrapure Foggers
FOG Duration about 70 minutes about 25 to 45 minutes
FOG Volume Output 4.6 cubic meters per minute with adjustable output 1.5 to 2 cubic meters per minute, constant output
Total FOG Volume about 322 cubic meters, ultrapure fog, during 70 minute cycle about 80 to 90 cubic meters, ultrapure fog, 40 to 45 minute cycle
Fog Density (ml/minute) supports visible airflow distance 493 mL per minute of liquids converted to ultrapure fog 150 to 250 ml per minute of liquids converted to ultrapure fog
Visible Fog Distance 25 feet visible airflow distance 10 to 15 feet visible airflow distance
FOG Type Ultrapure Fog using liquid nitrogen and DI Water or WFI Water Ultrapure Fog using liquid nitrogen and DI Water or WFI Water
Class of Clean Room Use Class 1 to Class 10,000 Class 1 to Class 10,000
Compatible Guidelines USP 797, ISO 14644-3 Annex B7, Semiconductor and Pharmaceutical Clean Rooms USP 797, Semiconductor and Pharmaceutical Clean Rooms
Type of Room Clean Rooms, Sterile Rooms, ISO Suites, Medical Rooms Clean Rooms, Sterile Rooms, ISO Suites, Medical Rooms
Water Boiler volume 5.0 liters 2.0 to 3.0 liters
LN2 Dewar volume 32 Liters
6 Liters to 10 Liters
Method of Operation Direct or Remote Wireless
Direct Power Only
Method of Movement Rolling enclosure
Hand Carry
Liquid Weight 28.14 kg (62.04 lbs) LN2 and 4.8 Kg (10.6 lbs) Water
Standard Power Requirements 110 VAC, 50/60 Hz, 10A 110VAC, 50/60 Hz, 10A
Optional Power 220VAC, 50/60 Hz, 15A; 100VAC 50HZ, 15A 220 VAC, 50/60 Hz, 10A; 100VAC 50HZ, 10A
Dimensions, Inches 1095mm D x 540mm W x 766mm H
Dimensions, Metric 42.7 inches D x 21.06 inches W x 29.9 inches H
Full Weight 77 kg (170 lb.)

Cleanroom Ultrapure Fogger Features - Request a Quote

Apollo Fog Curtain
Ultrapure Fog Generator with Fog Curtain
  • Continuous airflow visualization to describe direction, velocity and patterns in airflow
  • Containment transport airflow studies
  • Visualization of unwanted gas emission locations and dead zones
  • Tracking routes of unwanted air flow infiltration into clean rooms
  • No contamination created, no contamination left behind
  • No cleanup of any kind after fog visualization
  • Superb 3D airflow modeling capabilities
  • Very low fog exit pressure, as as not to create turbulence as fog enters airflow
  • Compact, transportable, shipping case
  • Fog stream output and fog rake output
  • For use in sterile rooms, ISO suites and clean rooms
  • High density fog visualization of airflow and turbulence
  • Exhaust and ventilation studies around wafer handling systems
  • Air balance studies in Pharmaceutical suites and clean rooms

Cleanroom Ultrapure Fogger Advantages - Request a Quote

Very dense, Stream Fog
Very dense, Stream Fog
  • Most dense fog by converting 493 ml of liquid per minute to an ultrapure fog
  • Greatest visible airflow distances of 250 feet
  • Excellent volume of ultrapure fog at 4.6 cubic meters per minute
  • Total volume of 322 cubic meters of ultrapure fog per operating cycle
  • Longest operating time of 70 minutes
  • No contamination is created, no cleanup is required, no contamination to the process
  • No turbulence created as fog enters the airflow
  • Roller castors for easy movement over floor
  • Large, 80mm, 3.15", fog outlet
  • User Friendly display and touch pads
  • Stainless steel contacts the LNG and DI Water for best purity of fog
  • very low fog exit pressure that does not create a disturbance to airflow
  • No metal contamination to fog using Stainless Steel water heater and LNG Dewar
  • Easy DI Water and LN2 (LNG) fill up

* Fog distance measured at 40% humidity and air velocity of 90fpm. Visual fog distance decreases as humidity decreases or as airflow velocity increases.

20-30 feet visible fog distance
20-30 feet visible fog distance