MOUDI™ Impactor Model 100S4

Product Details

The Model 100S4 features a three-stage design with an integrated after-filter and a low overall pressure drop of approximately 1 kPa (without final filter), enabling efficient operation with minimal flow resistance. Pressure taps and an included pressure gauge allow users to verify and monitor the required 30 L/min sampling flow rate throughout operation.

Interchangeable impaction plates and filter holders simplify sample preparation and recovery by allowing substrates to be loaded and unloaded in the laboratory. Sealed transport covers protect collected samples during transport and storage, helping minimize contamination, evaporative losses, and reactions with ambient gases.

Constructed from hard-coated anodized aluminum, the 100S4 is lightweight and has long-term durability and dimensional stability.

Applications

• PM₁₀, PM₂.₅, and PM₁ aerosol monitoring 
• Ambient air quality research 
• Workplace aerosol studies 
• Industrial hygiene investigations 
• Exposure assessment studies 
• Brake wear particle analysis 

Features and Benefits

• Three particle size fractions plus after-filter collection 
• Nominal cut points of 10, 2.5, and 1.0 µm at 30 L/min; inlet cuts at 18µm
• Low overall pressure drop for easy operation and flow control, about 1 kPa without final filter
• Sharp cut-size characteristics for accurate particle separation 
• Non-rotating design with low inter-stage particle losses 
• Interchangeable impaction plates and filter holders for convenient laboratory handling 
• Sealed transport covers help preserve sample integrity 
• Standard 47-mm collection substrates support multiple analytical techniques 
• Lightweight, durable hard-coated anodized aluminum construction 
• Pressure monitoring ports for simple flow verification