1nm Scanning Mobility Particle Sizer (SMPS) 3938E57
The 1nm SMPS™ 3938E57 is a state-of-the-art nanoparticle sizer designed for precise characterization of ultrafine particles down to 1 nm. Leveraging TSI’s robust particle classification technology, this high-resolution system integrates the 3086 Differential Mobility Analyzer, Nano Enhancer 3757, and CPC 3750 to detect and size newly formed particles in real time. With exceptional resolution across 217 channels (1–50 nm), modular configuration, and minimal diffusion losses, the 3938E57 opens new frontiers in atmospheric science, aerosol research, engineered nanoparticle synthesis, and inhalation toxicology. Whether you’re investigating sub-3 nm particle formation, combustion-generated aerosols, or health effects of ultrafine particles, the 1nm SMPS™ is the gold-standard tool for scientists demanding accuracy, flexibility, and data integrity in nanoparticle sizing.
- Measures nanoparticles as small as 1 nm with 217 high-resolution channels (1–50 nm)
- Low diffusion loss design for accurate ultrafine particle characterization
- Wide measurement range: extendable to 1 µm with Long DMA 3081A
- Modular system architecture: easily upgrade existing 3938-series SMPS™ setups
- Nano Enhancer 3757 enables detection of sub-3 nm particles using diethylene glycol
- CPC 3750 compatibility – seamless integration and high-accuracy particle counting
- Auto-detection of components and built-in diagnostics ensure reliable operation
- Aerosol Instrument Manager® Software for intuitive setup, control, and analysis
- Ideal for multimodal aerosol distributions and dynamic nucleation events
- Supports standalone CPC or DMA usage for flexible research applications
- Atmospheric and climate research: new particle formation, nucleation, and cloud condensation studies
- Combustion aerosol analysis: particles from engines, organic fuels, gas turbines, soldering, and plastic molding
- Nanomaterial synthesis: laser ablation, spark discharge, and flame synthesis monitoring
- Inhalation toxicology and exposure chamber studies
- Filtration performance testing for nanomaterials
- Health and safety impact assessments of sub-3 nm particles
- Fundamental aerosol science and nanoscale analytical chemistry
- Pharmaceutical aerosol testing
| Specification | Value |
|---|---|
| Particle Size Range | Min. Detectable Particle (D50): 1.4 nm (electrical mobility diameter, 1.1 nm geometric diameter), verified with NaCl particles |
| Aerosol Flow Rate | 2.5 L/min |
| Aerosol Outlet Flow Rate | 1.0 L/min |
| Transport Flow Rate | 1.5 L/min |
| Flow Control | Volumetric flow control of transport flow internal critical orifices. Aerosol flow rate controlled by CPC 3750. |
| Aerosol Medium | Recommended for use with air; safe for use with inert gases such as nitrogen, argon, and helium (performance specifications are for air) |
| Accessories Required | Electrical: 100 to 240 VAC, 50/60 Hz, 240W maximum, auto-recovery have power failure built-in Vacuum: 60 kPa (18 inch Hg) minimum gauge (below atmosphere pressure) Included: Fill and drain bottles, dryer |
| Dimensions (H x W x D) | 30 × 28.2 × 32.5 cm (11.8 × 11 × 12.6 in.), not including fill bottle and bracket |
| Weight | 9.1 kg (20 lbs) |
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