Product Description
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250 um 280 um (ASTM 60) NIST Traceable Sieve Standard 5 bottle set, 2.5 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

Enhance your laboratory's precision with the 250 um 280 um (ASTM 60) NIST Traceable Sieve Standard 5 bottle set. Each 2.5 gm bottle is meticulously calibrated using cutting-edge microsphere methods, ensuring compliance and accuracy for all your analytical needs.
Our sieve standards are specifically designed for professionals who demand reliability in powder and particle analysis. With traceability to NIST and NPL, this set allows you to achieve consistent results and maintain regulatory compliance effortlessly.
- 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
Invest in the future of precision with our 250 um 280 um (ASTM 60) NIST Traceable Sieve Standard set and experience the benefits of faster, more accurate sieving right in your lab.