Sensitivity
The sensitivity is an important specification for a spirit level. The overall accuracy of the device depends on its sensitivity. The sensitivity of a level is defined as the change of angle or gradient required to move the bubble by unit distance. If the bubble housing has graduated divisions then the sensitivity refers to the angle or gradient change required to move the bubble by one of these divisions. Sensitivity of a spirit level is expressed in mm/m. 2mm is the standard spacing for graduations. The standard sensitivity for a machinst level is .0005 inch per 2mm division (10 seconds arc).
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Famous quotes containing the word sensitivity:
“The sensitivity of men to small matters, and their indifference to great ones, indicates a strange inversion.”
—Blaise Pascal (1623–1662)
“What we think of as our sensitivity is only the higher evolution of terror in a poor dumb beast. We suffer for nothing. Our own death wish is our only real tragedy.”
—Mario Puzo (b. 1920)
“Freedom of choice for women, at the expense of the caring, warmth, and sensitivity to others so often associated with them, may be empty. In the thrust to redefine male and female roles, women must not become men; nor can men be permitted the continual dehumanization of their roles.”
—Kathleen Weibel (b. 1945)