In measurement technology and metrology, calibration is the comparison of measurement values delivered by a device under test with those of a calibration standard of known accuracy. Test your knowledge on this subject by answering our quiz.
By holding it up to the light and sighting down the long edge
By looking at it through an optical flat under polarized light
By feeling it with your hand
With a measuring wand
Reference standards
Primary, working, and transfer standards
Reference materials
All of the above
Can be labelled to indicate calibration status
Can be coded to indicated calibration status
Can be otherwise identified to indicate the status of the calibration
All equipment in the laboratory is assumed to be calibrated so no action or labelling is required
Taken out of service
Clearly marked as being out of service
Decommissioned and discarded immediately
A & B only
Incubators
Waterbaths
Stir plates
Thermometers
Clean the balance and try again
Contact your supervisor
Do nothing
Just watch it
No significant error being noted on the device under test
A significant error being noted but no adjustment made
An adjustment made to correct the error to an acceptable level
Nothing really happens
City standards
National standards
International standards
Certified reference material
A new instrument
After an instrument has been repaired or modified
When a specified time period has elapsed
During a critical measurement
With the design of the measurement instrument
With the design of the calibration process
With whatever measurement instrument you have at hand
You can begin at any time.