Maricopa Community Colleges  ABC126   20052-20086 
Official Course Description: MCCCD Approval: 10/26/04
ABC126 20052-20086 LEC 1 Credit(s) 1 Period(s)
Electrical Test Equipment
Selection, inspection, use and maintenance of common electrical test equipment.
Prerequisites: (Registered apprentice status and ABC125) or permission of the apprenticeship coordinator.
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MCCCD Official Course Competencies:
 
ABC126   20052-20086 Electrical Test Equipment
1. Explain the primary applications of test instruments and the specific factors that affect selection of test equipment. (I)
2. Explain how test meters work. (II)
3. Describe the applications and operation of specific types of test equipment. (III)
4. Explain how to read and convert from one scale to another using electrical test equipment. (IV)
5. Explain the importance of proper meter polarity. (V)
6. Define frequency and explain the use of frequency meters. (VI)
7. Explain the difference between digital and analog type meters and list the advantages and disadvantages of each. (VII)
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MCCCD Official Course Outline:
 
ABC126   20052-20086 Electrical Test Equipment
    I. Test Instruments and Meters
        A. Applications
          1. Verification
          2. Calibration
          3. Troubleshooting
        B. Selection
          1. Type of measurement
          2. Level of accuracy
          3. Portability
          4. Level of information
          5. Damage potential
      II. Meter Operation
          A. Analog
          B. Digital
          C. d'Arsonval meter movement
            1. Galvanometer
            2. Coil movement
        III. Electrical Test Equipment - Applications and Operation
            A. Ammeters
              1. Range
              2. Shunts
              3. Connections
              4. One-scale ammeter
              5. Multiscale ammeter
              6. Clamp-on ammeter
            B. Voltmeters
              1. Meter movements
              2. Voltage drop
              3. 1-ma meter
              4. Multiplier resistors
              5. Multirange one-scale voltmeter
              6. Multirange multiscale voltmeter
            C. Ohmmeters
            D. Volt-Ohm-Milliammmeter (VOM)
              1. Range switch
              2. Function switch
              3. Scales
            E. Wattmeter
            F. Megohmmeter
              1. Types
              2. Safety precautions
            G. Cable-length meter
            H. Continuity tester
              1. Audio continuity tester
              2. Visual continuity tester
            I. Voltage tester
              1. Wiggy
              2. Operation
            J. Recording instruments - strip-chart recorders
          IV. Scale Conversions
            V. Meter Polarity
              VI. Frequency Meter
                  A. Phase rotation tester
                  B. Infrared sensing device
                  C. Cable-length meter
                VII. Digital vs. Analog
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