time youre at the deli, look for a bright sticker
on the scale. It certifies that the scale has been checked
with weights traceable to NIST. The weights were checked
against other weights that, in turn, were checked against
weights maintained by NIST. This ensures that a pound
is a pound anywhere in the country.
works with federal, state, and local officials and with
industry to ensure that products contain the labeled
amount. This includes providing standards and calibrations
for accurate measurement of everything from the amount
of medicine in pills to the brightness of light bulbs.