Lab 4-F2010

Lab 4-F2010 - IE 361 Lab#4/ Calibration Exercise _ (Name)...

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1 IE 361 Lab#4/ Calibration Exercise _____________________ ( N a m e ) We are going to check the calibration of some cheap scales sold for weighing food portions. Our method will be to weigh "standards" consisting of "known" amounts of water (that is supposed to weigh 1kg/1liter, i.e. 1g/ml). Those at your table will be given a (cheap) food scale a (cheap) graduated cylinder a plastic cup for carrying water some paper towel for drying the cylinder between measurements Before making each measurement, place the tray on the scale, move the zeroing knob, and then re-zero the scale. One person at the table should do all the preparation of the "standards" (amounts of water), a different person should do all of the reading of the scale, and a different person should do the recording of the measurements. Three times do the following: Measure out 30 ml of water in the graduated cylinder, pour it into the tray, read weight to the nearest gram and record your measurement. Pour the water back into the plastic cup, and dry the cylinder. Re-zero the scale.
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Lab 4-F2010 - IE 361 Lab#4/ Calibration Exercise _ (Name)...

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