What
is scale calibration?
Calibration of a scale is a procedure in which a Licensed Scale
Technician uses known weight certified by the State of North Carolina
Bureau of Weights and Measures, to adjust the response of a mechanical
or electronic weighing system to the following tests; The indicator
must show zero when there is no weight on scale. When a known weight
is applied the indicator must display the exact amount of applied
weight within a specified tolerance. When weight is applied or removed
incrementally the scale must display weight equal to that on the scale
within a specified tolerance.
Top
of this page
Why is calibration needed?
All scales need to be calibrated when first placed into service
to insure accurate operation. Any scale will, in time, drift away
from its original calibration for various reasons. Wear of mechanical
components, age and degree of use all contribute to calibration drift.
Most state's law require that any scale used to sell a commodity or
service must be inspected and certified as to it’s accuracy.
Top
of this page
How often must I calibrate?
There are several factors to consider when deciding on frequency
of scale calibration testing is scale operating in a hostile environment?
How much is this equipment being used? Are there any Quality Control
parameters? Also, how long can your company afford to allow scale
equipment to operate with a possible error?
Top
of this page
How can I set up my equipment
for regular calibration?
Central Carolina Scale, Inc. will assist in setting up your custom
program by taking into consideration all of the above questions. It
is recommended that scales be calibrated quarterly. Central Carolina
Scale will perform the tests as prescribed.
Top
of this page