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a calibration __ simulates the process variables to be measured by the instrument under test.
setup
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the following information can usually be located at the manufacturers instructions accompanying a measuring or indicating instrument.
ALL/recommended setups/test conditions/adjustment points for zero, span and linearity
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after any required adjustments have been made, another ________ should be performed to verify the results of the adjustments.
calibration cycle
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_____ is the algebraic difference between the upper and lower values of an instrument's range.
span
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_______ defines the highest and lowest values of the measured variable that an instrument is designed to measure, recieve, or transmit.
Range
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If zero shift and span errors are revealed during a series of calibration cycles, ___ is usually corrected first.
zero shift
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During a downscale check, test points should be approached form?
above
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milliammeters are usually connected in _____with the instrument under test when they are used as output standards.
series
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it is important to allow the ____ value to stabilize before recording the data.
output
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it is unlikely that some ___errors will be discerned in a three-point calibration check.
linearity
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during an upscale check, test points should be approached from ______.
below
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If the instrument under test is rated for an accuracy of plus or minus 1, the output standard selected for a calibration should ideally have an accuracy of plus or minus ___
0.1
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to prevent erroneous indications, instrument ____ should be checked to ensure that they are tight and leak free.
connections
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information on the recommended setup for a calibration can usually be found in?
manufacturers instructions
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instruments should be calibrated in the following situations?
ALL/ transferring the instrument to a new control loop/following the repair of the instrument/prior to installation
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instrumetns are calibrated to ensure that their ________ accurately represents the input
output
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an instruments repeatability is expressed as?
percentage of output span
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___ is the ratio of the maximum to minimum values of a measure variable that an instrument can measure within stated accuracy to the minimum value of the measured variable that it can be measured with stated accuracy.
Turndown.
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with _______, all of the ouput readings are either consistently high or consistently low throughout the entire range.
zero shift
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