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The EFB method (13) was developed at NIST to provide SI traceable nanonewton force measurements.
They found that the two surfaces performed nearly identically, with the plastic coating generating an adhesive force of 201 nanoNewtons (billionths of a Newton) and the leaf generating 207 nanoNewtons.
The measurement range and sensitivity of the TI 950 are evident in the performance of the transducer: It exerts force to less than 30 nanonewtons of quantitative value and displacement to 2 Angstroms, says Dan Carlson, vice president of sales and marketing and business development.