Maricopa Community Colleges  HVA214   19962-19985 
Official Course Description: MCCCD Approval: 12/12/95
HVA214 19962-19985 LEC 3 Credit(s) 3 Period(s)
Instrumentation
Process and terms used in instrumentation, methods of heat transfer, calculations for heat temperature, and heat transfer. Measuring and calculating pressure, fluid flow, measuring humidity, control action, and instrumentation symbols. Prerequisites: None.
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MCCCD Official Course Competencies:
 
HVA214   19962-19985 Instrumentation
1. Describe the processes and terminology associated with instrumentation. (I)
2. Explain processes and terminology associated with heat transfer, temperature, and measurement of temperature. (II)
3. Describe specific methods for measuring and calculating pressure. (III)
4. Describe specific methods for measuring levels. (IV)
5. Explain specific methods for measuring flow. (V)
6. Explain specific methods for measuring humidity. (VI)
7. Describe the transmission of measured data. (VII)
8. Explain specific instrumentation control actions. (VIII)
9. Calculate specific electrical values for control circuits. (IX)
10. Calculate specific characteristics associated with temperature. (X)
11. Calculate velocity and volume of flow. (XI)
12. Identify specific symbols used in instrumentation. (XII)
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MCCCD Official Course Outline:
 
HVA214   19962-19985 Instrumentation
    I. Process and terminology
        A. Processes
          1. Closed loop control
          2. Characteristics of instrumentation
        B. Terminology
      II. Temperature
          A. Terminology
          B. Heat transfer
          C. Measurement of temperature
        III. Pressure measuring methods
            A. Pounds per square inch (PSI)
            B. Hydrostatic pressure
            C. Manometer
            D. U-tube
            E. Elastic deformation pressure elements
            F. Transducer
            G. Differential pressure measurement
            H. Other
          IV. Measuring levels
              A. Direct level measurement
              B. Displacer
              C. Contact method
              D. Electric probe
              E. Hydrostatic pressure
              F. Radioactive devices
              G. Loss of weight
              H. Discrete level
              I. Other
            V. Measuring flow
                A. Differential pressure meters
                  1. Orifice plate
                  2. Venturi tube
                  3. Flow rezzle
                B. Variable area meters
                C. Open channel measurement
                D. Total flow meters
                  1. Positive displacement
                  2. Velocity meters
                  3. Integrators
                E. Others
              VI. Humidity
                  A. Psychrometric chart
                  B. Measuring instruments
                    1. Hygrometer
                    2. Psychrometer
                    3. Capacitance probes
                  C. Dew point
                    1. Wet bulb element
                    2. Dry bulb element
                    3. Dew point mirror
                  D. Other
                VII. Transmission of data
                    A. Pneumatic
                    B. Electrical
                      1. Voltage
                      2. Current
                    C. Pulse telemetering
                    D. Frequency or tone
                  VIII. Controls
                      A. Elements
                        1. Primary
                        2. Measuring
                        3. Controlling
                        4. Final
                      B. Categories
                        1. Open-loop
                        2. Closed-loop
                      C. Action
                        1. On-off
                        2. Proportional
                        3. Proportional with reset
                        4. Proportional with reset and derivative
                      D. Electrical
                    IX. Electrical values and calculations
                        A. Ohm's law
                        B. Circuits
                          1. Series
                          2. Parallel
                          3. Combination
                        C. Wheatstone bridges
                        D. Inductance
                        E. Capacitance
                        F. Alternating current (AC)
                        G. Inductive reactance
                        H. Capacitive reactance
                        I. Electronics
                      X. Temperature characteristics and calculations
                          A. Thermal capacity
                          B. Expansion
                            1. Linear
                            2. Volumetric
                          C. Spring pressure
                          D. Gas-fill
                          E. Electrical temperature measurement
                        XI. Flow-calculations
                            A. Velocity
                            B. Volume
                          XII. Symbols
                              A. Instrument Society of America (ISA)
                              B. Electrical symbols
                              C. Mechanical symbols
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