Product Description
90 um (ASTM 170) 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
