Cooper Instruments & Systems DFI 250X Digital Weight Indicator - Manual (Page 37)

CF 147 33 version 1.1
12.6 Glossary Terms
Term Definition
Count-by The smallest change in weight units that the display can show. See also Resolution.
Division A single graduation.
EEPROM Electrically Erasable Programmable Read-Only Memory
EMC Electro-Magnetic Compatibility Regulation
FIR Finite Impulse Response
Full Scale
The maximum gross weight allowed on the scale. This is used to detect overload and underload
conditions, etc.
Graduations
The maximum number of display steps between zero gross load and full capacity gross load. It is
equal to the full scale divided by the resolution.
LED Light Emitting Diode
NTEP National Type Evaluation Program
OIML International Organization of Legal Metrology
PLC Programmable Logic Controller
Range
Total change in weight between zero gross load and full capacity gross load (i.e. the nominated
total capacity of the scale). It is always given in displayed weight units.
Resolution The smallest change in weight units that the display can show. See also Count-by.
RFI Radio Frequency Interference
GSE-LINK
Cable
Isolated infrared communications link cable
RS-232 Standard for communications hardware layers.
Step-
Response The step-response is the time between placing a weight on the scale and the correct weight
reading being displayed.
Transients
A temporary voltage oscillation or spike caused by a sudden change of load (or other external
influence).
Units The actual units of measurement (kilograms, tons, pounds, etc.).
13.0 WARRANTY REPAIR POLICY
Limited Warranty on Products
Any Cooper Instruments product which, under normal operating conditions, proves defective in material or in
workmanship within one year of the date of shipment by Cooper will be repaired or replaced free of charge provided
that a return material authorization is obtained from Cooper and the defective product is sent, transportation
charges prepaid, with notice of the defect, and it is established that the product has been properly installed,
maintained, and operated within the limits of rated and normal usage. Replacement or repaired product will be
shipped F.O.B. from our plant. The terms of this warranty do not extend to any product or part thereof which, under
normal usage, has an inherently shorter useful life than one year. The replacement warranty detailed here is the
buyer’s exclusive remedy, and will satisfy all obligations of Cooper whether based on contract, negligence, or
otherwise. Cooper is not responsible for any incidental or consequential loss or damage which might result from a
failure of any and all other warranties, express or implied, including implied warranty of merchantability or fitness for
particular purpose. Any unauthorized disassembly or attempt to repair voids this warranty.
Obtaining Service under Warranty
Advance authorization is required prior to the return to Cooper Instruments. Before returning the item, contact the
Repair Department c/o Cooper Instruments at (540) 349-4746 for a Return Material Authorization number.
Shipment to Cooper shall be at buyer’s expense and repaired or replacement items will be shipped F.O.B. from our
plant in Warrenton, Virginia. Non-verified problems or defects may be subject to a $100 evaluation charge. Please
return the original calibration data with the unit.
Repair Warranty
All repairs of Cooper products are warranted for a period of 90 days from date of shipment. This warranty applies
only to those items that were found defective and repaired; it does not apply to products in which no defect was