Unformatted text preview: PROBLEM 1.22 KNOWN: FSO = 1000 N
SOLUTION From the given speciﬁcations, the elemental errors are estimated by: CL = 0.001 x 1000N =1N eH = 0.001 x IOOON =1N
eR = 0.0015 x 1000N =1.5N
ez = 0.002 x 1000N = 2N The overall instrument error is estimated as:
e. = (12 +12 +1.52 + 22)“2 = 2.9N COMMENT This root-sum-square (RS S) method provides a "probable"
estimate) of the instrument error possible in any
here as error values will most likely change be estimate (i.e. the most likely given measurement. "Possible" is a big word
tween measurements. 3
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- Fall '08