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Quality Statement
Florida Industrial Scale Co.
Florida Industrial Scale Co. , seeks to provide customers with scale
calibrations and repair services which meet or exceed the requirements of the State of
Florida, NIST Handbook 44, ANSI and ISO 10012 standards, and / or the Customers internal
requirements. Test equipment shall be certified by the State of Florida Calibration Lab or
a private ISO Certified Lab at least every two years. Only approved methods of
transportation of test equipment to the customer sight shall be used. Hoisting and lifting
equipment used to handle the test equipment shall be of sufficient strength so as not to
pose a hazard to the employees or customers of Florida Industrial Scale Co..
Technicians employed by Florida Industrial Scale Co. shall be suitably
trained for the task being performed and the technicians shall perform their work in
accordance with the needs and requirements of the customer.
Florida Industrial Scale Co. seeks to maintain a knowledgeable sales
force to assist the customer in selecting the best possible equipment for his weighing
needs based on the customers requirements of quality, accuracy, serviceability and cost.
Each employee of Florida Industrial Scale Co. is expected to perform his
or her duties with the highest degree of accuracy possible, keeping ever in mind the needs
and requirements of the customer.
Don P. Cook, President
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Scale Calibration
What is scale calibration?
Calibration of a scale is a procedure in which a technician uses
known weight certified by the State of Florida, 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. | | When weight is applied or removed incrementally the scale must display
weight equal to that on the scale. |
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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. Wear
of mechanical components, age and degree of use all contribute to calibration drift. |
| The State of Florida requires that any scale used to sell a commodity or
service must be inspected and certified as to it’s accuracy. |
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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, one two, three shifts, only
several times a week? |
| Are there Quality Control parameters which must be maintained such as
U.S. Government or ISO 9000? | | How long can your company afford to allow scale equipment to operate with
a possible error in weight reading? |
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How can I set up my equipment for regular calibration?
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Calibration & Test
Procedures
Cleaning
| Display: Clean the display and note any problems (water on a non-washdown
indicator, etc) on the calibration report. Items such as paint or other chemicals that
cannot be removed without harsh cleaners should be left on the equipment. | | Platform: The scale deck should be wiped free of foreign materials and
checked for obstructions. Check under and around the platform for foreign materials.
Remove any items that will adversely effect weighing accuracy. Pit type scales should be
checked for clearance around the pit walls and obstructions removed if necessary. An
additional charge will be made for removing the scale from the pit for pit cleaning.
Mechanical scales should be checked for freedom of movement in all directions. Where
possible, remove the platform and clean the lever system. |
| Ramps: Check the general structural appearance of the ramps and insure
that they are securely fastened. The ramp should not move into the scale when loading or
unloading. |
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Inspection | Marking: All scales should be properly marked with the capacity and count
by on the display panel or the serial tag. "Legal for trade" scales must be
properly marked in accordance with Handbook 44 requirements. Re-mark the scale with
permanent placards (marking systems which press numbers into plastic tape are not
acceptable to the state Dept of Ag). |
| Load Cells: Proper marking is required if the scale is "legal for
trade". These marking plates are especially important when placing the scale in
service for the first time but should remain with the load cell at all times. |
| Signal Cable: Inspect the signal cable connecting the scale platform to
the indicator for cuts and abrasions. Also, check any connectors for damage or pulled
wires. Cables with splices should be brought to the owner’s attention and replacement
recommended. |
| Power Test: Visually inspect wall receptacle for physical damage and test
polarity if in doubt. Look around the area to determine if any machines, which can produce
line noise, are on the same circuit. Battery powered scales should be checked for proper
operation on battery. Scales that have internal battery backup of memory should be
unplugged for 1 minute to determine if the internal battery has sufficient charge to
maintain memory. |
| Over Load Stops: Visually inspect the over load stops for proper
clearance. Small bench scales should be loaded to capacity to determine if the stops have
sufficient clearance and with capacity weights on the scale, gently push the platform to
insure that the stops are engaged with very little movement required. Adjust as necessary. |
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Testing | Overview: Test procedures that are provided in Handbook 44 will be
adhered to, unless other test procedures are requested by the customer. All tests should
be completed and the initial error properly marked before corrections are started
(including cleaning). If the equipment is not operable upon arrival and the repair changed
the calibration, indicate so in the initial error section ("not completed –
equipment inoperable"). All errors will be indicated in divisions, not graduations.
Review the instruction page for completing the Calibration Report before beginning work. |
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