Sieve Calibration Standard 4.75mm or No.4
Calibration Standard for 200mm (8") Diameter Sieves, NIST Traceable for 4500 μm; 3 bottle set, 50.0g per bottle. GET A DISCOUNT WHEN YOU BUY 4 OR MORE
LEAD TIME EST. 3-4 BUSINESS DAYS.
Calibration standards for 3-inch and 100mm diameter sieves are also available. Contact us for a quote.