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Thermo Scientific™ 3K/4K Series Particle Counter Standards

Ensure accurate and convenient calibration of laser particle counters with Thermo Scientific™ 3K/4K Series Particle Counter Standards.

Brand:  Thermo Scientific™ 4K-20

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Product Code. 11563263

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Description

Description

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
TRUSTED_SUSTAINABILITY
Specifications

Specifications

Contains trace amount of surfactant to inhibit agglomeration and promote stability
Unless otherwise stated, refrigerate (2° to 8°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.
NIST traceable particles that provide calibration of laser particle counters
Laser Particle Counter Calibration
Count Control Particles
1.05g/cm3
1.59 at 589nm (25°C)
Product stable for a minimum of 12 months
3 x 105/mL
Polymer particles in water
White or Colorless
Polystyrene
Certificate of Calibration and Traceability to NIST
15 mL
<3%
20 μm
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