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3K/4K Series Particle Counter Standards
Ensure accurate and convenient calibration of laser particle counters with Thermo Scientific™ 3K/4K Series Particle Counter Standards.
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| Catalog Number | Diameter (Metric) |
|---|---|
| 4K-25 | 25 μm |
| 3K1000 | 1.0 μm |
| 3K-150 | 0.15 μm |
| 3K1600 | 1.6 μm |
| 3K-200 | 0.2 μm |
| 3K-220 | 0.22 μm |
| 3K-269 | 0.27 μm |
| 3K-300 | 0.3 μm |
| 3K-350 | 0.35 μm |
| 3K-400 | 0.4 μm |
| 3K-500 | 0.5 μm |
| 3K-600 | 0.6 μm |
| 3K-700 | 0.7 μm |
| 3K-800 | 0.8 μm |
| 3K-900 | 0.9 μm |
| 3K-990 | 0.99 μm |
| 4K-02 | 2.0 μm |
| 4K-03 | 3 μm |
| 4K-04 | 4 μm |
| 4K-05 | 5.0 μm |
| 4K-06 | 6 μm |
| 4K-07 | 7 μm |
| 4K-10 | 10 μm |
| 4K100 | 100 μm |
| 4K-15 | 15 μm |
| 4K-20 | 20 μm |
| 4K-30 | 30 μm |
| 4K-40 | 40 μm |
| 4K-50 | 50 μm |
| 4K-60 | 60 μm |
| 4K-70 | 70 μm |
| 4K-80 | 80 μm |
| 3K-100 | 0.1 μm |
Catalog number 4K-25
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Diameter (Metric):
25 μm
Ensure accurate and convenient calibration of laser particle counters with Thermo Scientific™ 3K/4K Series Particle Counter Standards. Compared 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.
Features:
- 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)
- Accurately calibrates or checks performance of laser particle counters used in cleanrooms and other contamination monitoring applications
- Particles prepared as low residue aqueous suspensions for minimal background interference
Specifications
AdditiveContains trace amount of surfactant to inhibit agglomeration and promote stability
Concentration3 x 105/mL
ContentsPolymer particles in water
DescriptionNIST traceable particles that provide calibration of laser particle counters
ColorWhite or Colorless
For Use With (Application)Laser Particle Counter Calibration
MaterialPolystyrene
Product TypeCount Control Particles
IncludesCertificate of Calibration and Traceability to NIST
Particle Density1.05 g/cm3
Quantity15 mL
Refractive Index1.59 at 589nm (25°C)
Size Distribution<3%
StabilityProduct stable for a minimum of 12 months
Diameter (Metric)25 μm
Unit SizeEach
Contents & Storage
Unless otherwise stated, refrigerate 2° to 8deg;C product when not in use but do not freeze. Store upright and keep bottle tightly sealed. Mix product with gentle inversion by hand or vortex mixer.