Conforms to: JIS K 6253, JIS K 7215, ASTM D 2240, ISO 7619, ISO 868, DIN 53505FeaturesSupplied with NIST Traceable Calibration Certificate (ISO 17025 Optional)High performance and accuracyOperationAs the hardness tester is pressed against the sample, the material resistance force and indentor spring load balance. The depth of the indentor is measured, which provides a measure of the material's hardness. Values are based upon a 100 point scale (accuracy ±.75 point). However, as time elapses the indicator will "creep" back so that a reading taken a few seconds after the tester makes contact with the sample will be less than the peak reading. The optional peak indicator helps to more closely monitor the difference between peak and "creep" in hardness tests.Asker Durometer Models Model F
Similar to Model A, this model is defined as 'Durometer Type D' as described in various domestic and international standards. It is in widespread use for hardness measurement of plastics and hard rubber.
The Shore hardness is measured with an apparatus known as a Durometer and consequently is also known as 'Durometer hardness'. The hardness value is determined by the penetration of the Durometer indenter foot into the sample. Because of the resilience of rubbers and plastics, the indentation reading my change over time - so the indentation time is sometimes reported along with the hardness number. The ASTM test method designation is ASTM D2240 00 and is generally used in North America. Related methods include ISO 7619 and ISO 868; DIN 53505; and JIS K 6301, which was discontinued and superceeded by JIS K 6253.
Circular map of the A. theae mitochondrial genome. Gene names are annotated using standard abbreviations; single letters are indicated based on the International Union of Pure and Applied Chemistry-International Union of Biochemistry(IUPUC-IUB) abbreviation for the corresponding amino acid. 2b1af7f3a8