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About Calibration Services
Calibrating services are available to adjust instruments
and promote proper response from a calibration
laboratory and companies that provide mobile service. Accuracy is
crucial to the proper function of precision and measurement tools and
devices in many industries today. Thus, the routine calibration of
such items is an important part of maintaining the needed accuracy and
quality standards. Calibration is typically accomplished by measuring
the behavior of a specific device with a monitoring instrument, which
allows the calibrator to compare the measured behavior with the standard
at which the device should be. Needed adjustments are then made to the
device until it is back in line with the specified standard for the instrument.
Instruments that need to maintain a specific unit of measurement to function
properly and instruments that monitor variations of measurement themselves need
to be calibrated regularly. An industrial
scale is an example of a device that monitors weight and after time will
become less accurate due to machine wear. A commercial
oven, used for the mass production of baked goods, also needs to be calibrated. Lasers,
as well, need to be calibrated regularly in order to maintain the high accuracy
needed to perform their various functions.
Examples of measurements that need to be calibrated in specific devices are torque,
humidity, temperature, pressure, strain, speed, displacement and mass. The standards
for these measurements are defined and agreed upon by national and international
standard organizations, such as the ISO (International Standard Organization).
These standards are important for local and global trade and ensure ethical practices
within the market. Calibrating services are a necessary bi-product of these standards.
Although calibrating services are an effective way to increase the quality of
various devices, they are not always one hundred percent perfect because it is
not possible to know every factor that may affect the calibration process. This
uncertainty must always be taken into account when considering such operations.
The possibility of error is always present even with the most sensitive devices.
Furthermore, the calibration services are only as good as the standards that
they are guided by, so it is important to know exactly what must be done to generate
accurate performance and measurements.
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Types of Calibration Services
- is the process through which instruments are adjusted to match measurement standards.
- are
companies that provide calibration services.
- is
the process through which pieces of equipment are adjusted for precision.
-
is calibration that measures light, such as optical power meters. Special
devices that measure optic ranges are used in the calibration of fiber
optic equipment.
-
is a type of calibration that tests the hardness and/or tensile strength
of an object.
-
involves the temporary installment of humidity transmitters into a climate
chamber. Humidity calibration involves visual control of the dew point
mirror which may need cleaning; air, nitrogen, helium and another non-explosive
gas may be used during the calibration process.
- is
the process through which instruments are adjusted for precision.
-
is the process of making the measurements of force, torque and weight
as accurate as possible for the load
cell. Much of this calibration is done via computer program.
-
is the testing of pressure instrumentation, such as vacuum wrappers
and sealers, for accuracy.
- is
the process of adjusting speedometers to match standards.
-
is needed for all devices that monitor and use variance of temperature.
Medical devices, industrial ovens and commercial refrigeration units
are examples of devices that require accurate temperature reading and
output.
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