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Chapter 12: F. Calibration 115
its own card, and cards are sorted such that equipment in need of calibration move
toward the front of the index and appropriate individuals physically pull the cards
for equipment in need of calibration as the calibration interval requires.
Calibration Documentation and History
Each piece of equipment with a calibration interval generally has repair, maintenance,
and calibration documentation. Such documentation forms a critically
important component in the traceability and history of the equipment. The types
of information contained in the calibration documentation and history include,
but are not limited to: the calibration interval, identification of calibration procedures,
a summary of actions taken during calibration, a summary of failures/
discrepancies, a summary of parts replaced, identification of calibration technicians
who have worked on the equipment, and perhaps any special comments or
warnings such as any particular equipment function that may not have been calibrated
or functions that are inoperable.
Part II.F.1
Calibration Work Order
A calibration work order is initiated when a calibration interval is due or when a
piece of equipment is malfunctioning. Work orders commonly identify where the
equipment is located (which may mean where in the calibration laboratory it has
been temporarily stored/shelved or where the equipment is installed in a process
application), what calibration procedures are applicable, support equipment
required to complete the calibration, an indication of work prioritization (that is,
the order in which pieces of equipment are selected for calibration), identification
of a technician who will complete the calibration, and perhaps an estimate of the
time needed to complete the calibration process. A work order accompanies the
equipment for the duration of the calibration process, and the time needed to complete
and update the equipment documentation and history is normally considered
to be part of the calibration process.
Process Equipment
Process equipment refers to equipment used in production or service activities. It
is important to note that process equipment may be used in process flow directly
or it may be used in the measurement and assessment of process flow, depending
on the application.
Calibration Equipment
Calibration equipment refers to equipment used during, or in support of, the calibration
process. Calibration equipment may comprise assemblies or subassemblies
needed to evaluate the performance of any given piece of equipment. Calibration
equipment usually encompasses, but is certainly not limited to, things such as
oscilloscopes, electrical meters, flowmeters, temperature gages, special jigs and
fixtures, and associated clips, leads, and wires.