Product Description
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300 um 315 um (ASTM 50) 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

The 300 um 315 um (ASTM 50) NIST Traceable Sieve Standard 5 bottle set is an essential tool for any laboratory seeking precision in particle size analysis. Each bottle contains 2.5 grams of high-quality microspheres, ideal for accurate sieve calibration and quality assurance in both pharmaceutical and industrial applications.
Designed with advanced technology, this sieve standard utilizes a unique microsphere method to ensure compliance with ASTM and NIST standards, delivering unmatched accuracy and reliability. The ability to measure over one million apertures per minute significantly enhances efficiency while maintaining an impressive typical calibration time of about one minute.
- Unique microsphere method of sieve calibration
- Mean aperture sizes traceable to NIST and NPL
- Measures 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
Optimize the accuracy of your particle size measurements with our NIST Traceable Sieve Standard set, and ensure consistent and reliable results in your laboratory operations.