ELECTRIC MOTORS+CONTROLS ACTIVITIES MAN.
3rd Edition
ISBN: 9781260439380
Author: Petruzella
Publisher: MCG
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Chapter 6.1, Problem 14RQ
State one advantage and one limitation of a voltage tester.
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In the lab, you have setup a thermocouple and have used a thermistor along with an ice
bath and water at various temperatures (confirmed with the thermistor) up to 100
degrees Celsius for calibration. The calibration data is shown in the table below and
the full-scale output range is 0-5 mV.
You note that there is scatter in your data; however, you must use a linear curve fit to
efficiently process the measurements during an automated temperature measurement
process.
Question 1
100%
Question 2
100%
Question 3
100%
Question 4
100%
Question 5
100%
Question 6
100%
mV
The slope of your linear calibration curve for the thermocouple is 0.0334 °C with an
offset of -0.07 mV.
Question 7
100%
Question 8
100%
What is the maximum expected linearity error as a percentage of the full-scale output?
Question 9
0%
Summary
-0.08
Thermocouple Calibration Data
Temperature (°C) Voltage (in mV)
0
20
20
40
40
60
60
60
80
96
90
0.587
1.314
1.901
2.528
2.782
100
3.055
LIT…
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Chapter 6 Solutions
ELECTRIC MOTORS+CONTROLS ACTIVITIES MAN.
Ch. 6.1 - Explain how measurements are made using an analog...Ch. 6.1 - Prob. 2RQCh. 6.1 - Name the three basic metering functions that can...Ch. 6.1 - What is the purpose of the multimeter function...Ch. 6.1 - What is the purpose of the multimeter range...Ch. 6.1 - An analog voltmeter uses a single scale calibrated...Ch. 6.1 - Unlike analog multimeters, digital multimeters...Ch. 6.1 - Prob. 8RQCh. 6.1 - How are voltmeters connected relative to the...Ch. 6.1 - Digital voltmeters have little or no loading...
Ch. 6.1 - A digital multimeter is used to measure a DC...Ch. 6.1 - Define voltage drop.Ch. 6.1 - How are ground-referenced voltage measurements...Ch. 6.1 - State one advantage and one limitation of a...Ch. 6.1 - A noncontact voltage detector is to be used to...Ch. 6.1 - When measuring voltages and currents of unknown...Ch. 6.1 - How must ammeters be connected relative to the...Ch. 6.1 - Ammeters are required to have very low resistance...Ch. 6.1 - What is the advantage of taking a current reading...Ch. 6.1 - Explain how a clamp-on ammeter measures current...Ch. 6.1 - While attempting a voltage measurement across a...Ch. 6.1 - A clamp-on ammeter is to be used to determine the...Ch. 6.2 - What four basic components make up the internal...Ch. 6.2 - How is the pointer of an analog-type ohmmeter set...Ch. 6.2 - Series analog ohmmeters have nonlinear scales....Ch. 6.2 - What does a resistance reading of OL on a digital...Ch. 6.2 - A multimeter set to measure resistance is...Ch. 6.2 - When doing in-circuit component resistance...Ch. 6.2 - Explain the purpose of the multimeter continuity...Ch. 6.2 - An ohmmeter is connected across the two leads of a...Ch. 6.2 - Convert each of the following digital multimeter...Ch. 6.2 - Give an example of what might cause the occurrence...Ch. 6.2 - What energy-level category of multimeter is...Ch. 6.2 - A simple resistance measurement is made to test...Ch. 6.2 - What type of hand protection may be required when...Ch. 6.2 - Compare the input impedance of analog and digital...Ch. 6.2 - Define meter accuracy.Ch. 6.2 - Define meter resolution.Ch. 6.2 - What protection is afforded by the fuse connected...Ch. 6.2 - Prob. 18RQCh. 6.2 - The diode test function of a DMM is to be used to...Ch. 6.2 - Under what condition will true RMS and averaging...
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