Technology
LN₂-based Applied Physics fogger platform.
AP95 LN₂ Ultrapure Cleanroom Fogger with rolling, stainless steel enclosure, ≈ 19–20 M³ / Min. ultrapure fog, ≈ 25–35 ft. visual distance, ≈ 1600–1800 M³ fog during typical 85–95 minute operation cycle to visualize airflow turbulence in medium-to-large Clean Rooms, ISO Suites and Barrier Isolators. Dual 80mm fog outlets with velocity control and volume control.
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The AP95 Ultrapure Cleanroom Fogger is a high-performance LN₂ fogging system engineered for medium-to-large cleanroom environments, delivering exceptional fog density, extended runtime, and long-range airflow visualization.
Using Applied Physics’ proven ultrapure fogging technology, the AP95 generates a dense, residue-free fog using Liquid Nitrogen (LN₂) and DI / WFI water, enabling precise visualization of airflow patterns, turbulence, dead zones, and contamination pathways in:
The AP95 produces ultrapure fog with no residue, no contamination, and no cleanup required, making it ideal for critical environments.
The AP95 utilizes a dewar-style LN₂ system, a time-tested and widely accepted approach for cleanroom smoke studies and airflow visualization.
Dewar-style foggers operate using natural LN₂ evaporation, where liquid nitrogen transitions to gas and creates internal pressure used to drive fog production.
This passive process creates a stable and predictable fog generation system without reliance on active pressurization components.
Dewar systems have been used for decades in:
Their reliability and simplicity make them a trusted standard across regulated industries.
Because dewar systems rely on natural LN₂ behavior, they provide:
Dewar systems have:
This results in:
Dewar-style systems are well suited for cleanroom environments because they:
The passive nature of dewar systems allows for:
This is particularly important for:
When properly engineered—as in the AP95—dewar systems can:
While newer technologies exist, dewar-style systems remain widely used because they offer:
For many validation teams, this translates to:
The AP95 is engineered to maximize the strengths of dewar-style fogging, delivering:
This makes it ideal for:
Fog density determines:
With ~1900–2000 ml/min, the AP95 provides:
| Model | Fog Volume | Fog Density | Runtime | Distance | Best Use |
|---|---|---|---|---|---|
| AP30 | ~6–7 m³/min | ~600–700 ml/min | ~60 min | ~15–20 ft | Small rooms |
| AP50 | ~10–12 m³/min | ~1000–1200 ml/min | ~75 min | ~18–25 ft | Medium rooms |
| AP95 | ~19–20 m³/min | ~1900–2000 ml/min | ~85–95 min | ~25–35 ft | Medium–Large rooms |
| AP100 | ~20+ m³/min | ~2000+ ml/min | ~90 min | ~30–40 ft | Large rooms |
| AP200 | ~40+ m³/min | ~4000+ ml/min | ~100+ min | ~30–50 ft | Massive facilities |
Produces:
Choose the AP95 when:
The AP95 combines:
It is engineered for teams that need consistent, dependable performance in critical cleanroom validation environments.
AP95 is a current passive/dewar AP Series fogger. Select it from the real application, study duration and delivery restriction rather than nominal capacity alone.
LN₂-based Applied Physics fogger platform.
Nominal 95 L Dewar-style tank reference for this catalog model.
Compare AP35, AP95 and AP175 within the passive/dewar family; compare the self-pressurized AP30, AP50, AP100 and AP200 when architecture or handling requirements favor that design.
Hose length, diameter, bends, Y/T adapters, a restrictive injection port and enclosure pressure can all reduce or redistribute the fog that actually reaches the test area. For isolators and RABS, evaluate the intended delivery path under representative pressure conditions.
Use the current Applied Physics quote and product sheet for the exact configuration being purchased.
Use the product’s existing Request a Quote or Add To Order control so the requested item remains attached to the existing RFQ workflow.
AP95 identifies the current Dewar-style LN₂ platform with a nominal 95 L tank capacity.
AP95 remains a current AP Series option. Compare it with AP30, AP50, AP100 and AP200 around application geometry, study duration and delivery restriction.
Use the actual hose length, port diameter, bends, pressure differential, injection strategy and required visual path. Do not size a restrictive enclosure from a free-air number alone.
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