Calibration | ISA

CCST Performance Domains with Tasks — Domain I

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The job analysis panel determined the knowledge and skills required to perform each task competently. These knowledge and skill statements are shown below.


Domain I: Calibration

Task 1: Obtain all documents needed for device calibration in order to proceed with calibration.
  • Knowledge of:
    • Data sheets
    • Calibration sheets
    • P&ID drawings
    • Loop sheets
    • Site procedures
    • Mechanical and electrical drawings
  • Skill in:
    • Interpreting drawings
    • Searching technical information
    • Communication
    • Following site procedures

Task 2: Identify the correct device to be calibrated through documentation and instrument identification systems in order to ensure proper calibration.
  • Knowledge of:
  • ISA standards
  • Site documentation
  • Skill in:
  • Interpreting data sheets
  • Converting unit from metric/English or English/metric

Task 3: Select the correct test equipment through documentation and visual inspection as identified by site calibration procedures in order to correctly calibrate the device.
  • Knowledge of:
    • Electrical and pneumatic test equipment
    • ISA standards on calibration of test equipment
    • All appropriate procedures
    • Acceptable certifying agencies, companies, etc.
    • Basic measurement units
  • Skill in:
    • Obtaining appropriate test equipment
    • Validating certification by matching or locating certification stickers
    • Using hand tools
    • Using test equipment

Task 4: Connect the test equipment to the device as required by manufacturer specifications and site procedures in order to properly and safely calibrate the device.
  • Knowledge of:
    • Fundamentals of pneumatics
    • Fundamentals of electricity
    • Fundamentals of schematic diagrams
    • Basic physics of energy and power
    • Basic physical and chemical properties of matter
    • Basic temperature scales
    • Basic pressure units
    • Basic flow units
    • Basic level
    • Basic conversions
    • All appropriate site procedures
    • Manufacturer specifications
  • Skill in:
    • Building a mechanical and electrical circuit, including piping, wiring circuits, and working with live circuits using test equipment
    • Using hand tools
    • Using test equipment
    • Using power sources
    • Using pressure sources

Task 5: Apply input values to the device as specified on instrument data sheet in order to simulate process parameters.
  • Knowledge of:
    • Fundamentals of pneumatics
    • Fundamentals of electricity
    • Fundamentals of schematic diagrams
    • Basic physics of energy and power
    • Basic physical and chemical properties of matter
    • Basic temperature scales
    • Basic pressure units
    • Basic flow units
    • Basic level
    • Basic conversions and mathematics
    • Manufacturers specifications
  • Skill in:
    • Simulating a mechanical/pneumatic/electrical signal into a device
    • Using/working with high pressure sources, high temperature sources, voltage and current sources, etc.
    • Using hand tools
    • Using test equipment
    • Using power sources
    • Using pressure sources

Task 6: Record "as found" readings on calibration sheets in order to provide a history of the device.
  • Knowledge of:
    • Mathematics
    • Physical sciences
    • Conversions
    • Electronic fundamentals
    • Pneumatic fundamentals
  • Skill in:
    • Gathering technical information
    • Writing
    • Applying mathematical units and relationships
    • Selecting required form

Task 7: Compare "as found" readings with the required values as specified by the instrument data sheet in order to identify if the device needs to be adjusted according to allowable tolerances.
  • Knowledge of:
    • Mathematics
    • Physical sciences
    • Conversions
    • Electronic fundamentals
    • Pneumatic fundamentals
  • Skill in:
    • Analyzing data
    • Writing
    • Applying mathematical units and relationships
    • Selecting required forms

Task 8: Make adjustments to the device, if necessary, through site calibration procedures in order to ensure accuracy.
  • Knowledge of:
    • Calibration procedures
    • Mathematics
    • Physical sciences
    • Electronic fundamentals
    • Pneumatic fundamentals
    • Electrical fundamentals
  • Skill in:
    • Working with tools
    • Reading and interpreting test equipment
    • Using power sources (electrical or pressure)
    • Analyzing data

Task 9: Complete all documentation as required in order to update all calibration records.
  • Knowledge of:
    • Calibration procedures
    • Mathematics
    • Physical sciences
    • Electronic fundamentals
    • Pneumatic fundamentals
    • Electrical fundamentals
    • Site documentation procedures
  • Skill in:
    • Gathering technical information
    • Writing
    • Applying mathematical units and relationships
    • Selecting required forms
    • Completing calibration sheets