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Measurement and Calibration
Overview
I. Introduction to
Measurements,
Fundamental
&
Derived
Units
A.
Introduction
to
Metrology
Need
for
measurements
Importance
of
Calibration
Early
measurements
and metric
system
B.
Principles
of
Metrology
7
Fundamental
SI Units ?
Length,
Mass,
Time, Electric
Current,
Thermodynamic
temperature,
Luminous
intensity,
Amount of
substance
Derived
Units ?
Examples
(resistance,
capacitance,
pressure,
etc.)
Prefixes
and
Multipliers
(use of
milli,
micro, nano, etc.)
Measurement
Terms:
True Value, Accuracy, Precision, Resolution, and Bias
Traceability
? What
is
it?
Relation
to
NIST.
II. Dimensional Standards,
Measurements,
Calibration
A.
Measuring
Instruments
Micrometers, scales
&
rules,
squares,
protractor,
calipers,
depth gage
B.
Dimensional
Calibration
Standards
- gage
blocks
III. Physical Metrology
Terminology,
Instruments,
Calibration
A.
Types of
Measurements
- Mass,
Force,
Pressure, Flow,
Humidity
B.
Calibration
Physical
standards
IV. Thermodynamic
Temperature
Devices
A.
Types of
Measuring
Instruments
General
applications
of glass
thermometers,
thermocouples,
thermistors,
PRT,
pyrometers
B.
Introduction
to
Temperature
Calibration
Principles
V. Electrical Metrology
A.
ELECTRICAL
METROLOGY
Metric
prefixes
Basic
electrical
units ?
volt,
ampere,
ohm
Analog
vs.
Digital
measurements
Classical
types of
errors
Electrical
calibration
?
Application
of Derived
units
Noise
and
grounding
VI. Standards
Organizations
and
Document
Standards
A.
STANDARDS
ORGANIZATIONS
ISO,
IEC, ANSI,
ISA, PMA,
NCSL,
DOD
B.
Documented
Standards
ANSI/NCSL
Z540-1-1994
ISO/IEC
17025
Laboratory
Accreditation
Accrediting
Organizations
VII. Calibration
Systems
A.
Calibration
procedures
B.
Calibration
methods
C.
Calibration
practices
and
regulations
D.
Calibration
environments
E.
Calibration
processes
(includes
establishing
calibration
intervals)
F.
Document
control
VIII. Measurement
Uncertainty
A.
Statistics
and
measurements
B.
Types of
distributions
? normal,
rectangular, triangular, U
shape
C.
Type A
and
Type B
Uncertainty,
Combined Expanded
Uncertainty
D.
What is
GUM?
E.
Factors
that
introduce
errors
into
measurements
F.
What
is an
Uncertainty
Budget?
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