Product Description
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45 um 50 um (ASTM 325) NIST Traceable Sieve Standard 5 bottle set, 1.0 gm per bottle
- Unique microsphere method of sieve calibration
- Mean aperture sizes traceable to NIST and NPL
- Measure over 1 million apertures per minute
- Typical calibration time of about 1 minute
- Method analyses over 80% of the sieve surface
- Accuracies and repeatabilities better than 1µm
- Results independent of sieve shaking method
- Single-shot bottles remove operator bias
- No need to send sieves away for calibration

The 45 um 50 um (ASTM 325) NIST Traceable Sieve Standard 5 Bottle Set (1.0 gm per bottle) is an indispensable asset for any laboratory requiring precise particle size analysis. Designed for the most exacting applications, this sieve standard ensures the utmost accuracy and compliance with industry regulations, making it ideal for scientific, pharmaceutical, and agricultural testing.
Utilizing a unique microsphere method of sieve calibration, this set provides measurable and reproducible results that you can trust. Each bottle contains precisely 1.0 gm of certified particles, enabling a clear and efficient workflow without the need for external calibration services. With our product, you can seamlessly maintain high standards in quality assurance and quality control.
- Unique microsphere method of sieve calibration
- Mean aperture sizes traceable to NIST and NPL
- Measure over 1 million apertures per minute
- Typical calibration time of about 1 minute
- Method analyses over 80% of the sieve surface
- Accuracies and repeatabilities better than 1µm
- Results independent of sieve shaking method
- Single-shot bottles remove operator bias
- No need to send sieves away for calibration
Enhance your laboratory’s performance with this reliable sieve standard set. Achieve unparalleled accuracy and efficiency in your measurements, ensuring compliance and confidence in your results.