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Duke Standards 3K/4K Series Particle Counter Standards

Thermo Scientific* Duke Standards 3K/4K Series Particle Counter Standards are particle size standards for use in particle counting validation for particle counting instruments.
In comparison with our 3000 and 4000 Series products, this product line is precisely diluted for immediate use in laser particle counters with minimal time-consuming concentration adjustments.
 
 
 
 
Part Number Description   Quantity
3K-100 Dia.: 0.102 µm ± 0.003 µm, σ = 0.0076 µm, 7.5% CV
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3K-150 Dia.: 0.147µm ± 0.003µm, σ = 0.0043µm, 2.9% CV
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3K-200 Dia.: 0.203µm ± 0.005µm, σ = 0.0047µm, 2.3% CV
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3K-220 Dia.: 0.216µm ± 0.004µm, σ = 0.0050µm, 2.3% CV
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3K-269 Dia.: 0.269µm ± 0.005µm, σ= 0.042µm, 1.6% CV
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3K-300 Dia.: 0.296µm ± 0.006µm, σ = 0.0053µm, 1.8% CV
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3K-350 Dia.: 0.350µm ± 0.006µm, σ = 0.0053µm, 1.5% CV
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3K-400 Dia.: 0.400µm ± 0.009µm, σ = 0.0073µm, 1.8% CV
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3K-500 Dia.: 0.498µm ± 0.009µm, σ = 0.0079µm, 1.6% CV
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3K-600 Dia.: 0.600µm ± 0.009µm, σ = 0.010µm, 1.7% CV
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3K-700 Dia.: 0.707µm ± 0.009µm, σ = 0.0083µm, 1.2% CV
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3K-800 Dia.: 0.799µm ± 0.009µm, σ = 0.0048µm, 0.6% CV
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3K-900 Dia.: 0.903µm ± 0.012µm, σ = 0.0041µm, 0.5% CV
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3K-990 Dia.: 0.994µm ± 0.010µm, σ = 0.010µm, 1.0% CV
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3K1000 Dia.: 1.019µm ± 0.015µm, σ = 0.010µm, 1.0% CV
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3K1600 Dia.: 1.587µm ± 0.018µm, σ = 0.021µm, 1.3% CV
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4K-02 Dia.: 1.999µm ± 0.020µm, σ = 0.022µm, 1.1% CV
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4K-03 Dia.: 3.002µm ± 0.019µm, σ = 0.029µm, 1.0% CV
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4K-04 Dia.: 4.000µm ± 0.043µm, σ = 0.04µm, 1.0% CV
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4K-05 Dia.: 4.993µm ± 0.040µm, σ = 0.05µm, 1.0% CV
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4K-06 Dia.: 6.007µm ± 0.040µm, σ = 0.06µm, 1.0% CV
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4K-07 Dia.: 6.982µm ± 0.045µm, σ = 0.07µm, 1.0% CV
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4K-10 Dia.: 10.00µm ± 0.08µm, σ = 0.09µm, 0.9% CV
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4K-15 Dia.: 14.97µm ± 0.10µm, σ = 0.13µm, 0.9% CV
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4K-20 Dia.: 19.99µm ± 0.25µm, σ = 0.28µm, 1.3% CV
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4K-25 Dia.: 24.61µm ± 0.22µm, σ = 0.27µm, 1.1% CV
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4K-30 Dia.: 29.75µm ± 0.56µm, σ = 0.42µm, 1.4% CV
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4K-40 Dia.: 39.82µm ± 0.24µm, σ = 0.40µm, 1.0% CV
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4K-50 Dia.: 50.2µm ± 0.3µm, σ = 0.5µm, 1.0% CV
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4K-60 Dia.: 59.2µm ± 0.6µm, σ = 0.8µm, 1.4% CV
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4K-70 Dia.: 69.1µm ± 0.9µm, σ = 0.8µm, 1.2% CV
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4K-80 Dia.: 79.4µm ± 0.5µm, σ = 0.9µm, 1.1% CV
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4K100 Dia.: 100µm ± 1.5µm, σ = 1.6µm, 1.6% CV
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Please Note: Availability may vary by country. Show All
 
  • NIST* traceable size standards
  • Provide an accurate and convenient method for calibrating or checking performance of laser particle counters used in cleanrooms and other contamination monitoring applications
  • Suspensions of monodisperse polystyrene spheres for use in airborne or liquid particle dispersion systems
  • Particle diameters traceable to the Standard Meter through the National Institute of Standards and Technology (NIST)
  • Particles prepared as low residue aqueous suspensions for minimal background interference

Certifications: NIST traceable

 
 
 
 
 
 
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