Meet standards of former NBS circular 602 for accuracy, appearance, quality of glass, calibration lines, and inscription Both serialized and standard volumetric pipets have tempered ends calibrated “To Deliver”
Each serialized/certified pipet is permanently marked with an individual serial number and comes with a Certificate of Graduation Accuracy
The 20, 25, and 100mL pipets come with six certificates per case; 50mL pipets, eight per case
All other sizes are supplied with two certificates per case
Certifications
Marked with “A” to certify that they are designed from ASTM? Specification E 969, Class A requirements
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