Calibration [different name: adjustment] a set of activities due to which the indications of weighing instrument are corrected and referred to value of known standard mass. A weighing instrument can be equipped with automatic or semi-automatic adjusting device. This device should be installed inside the casing of the weighing instrument. Access to this device from outside the casing should be practically impossible. Automatic calibration [different name: automatic adjustment] a set of automatic activities (operator is not involved in this process) determining the relation between the value indicated on the weighing instrument and standard mass (calibration mass), which is the load on the weighing instrument and correction activities which occur when necessary. Automatic adjustment can be activated if temperature change occurs and/or time elapse. Calibration report [different name: adjustment report] Control procedure where first adjustment/calibration is performed and next the checking of this procedure is done. Most often, this is achieved by placing the same load (the one used for calibration) on the weighing platform. In weighing instruments equipped with automatic adjusting device, the operator initiates the start of report from calibration and the whole cycle runs automatically. Result of this procedure are presented as a printout including basic information like data and time of measurement, serial no. of weighing instrument, calibration deviation and operator's signature, etc. Calibration Weight Measuring device designer for adjustment of weighing instrument. It is a standard weight, which mass is a reference to all indications of weighing instrument. 123 mm. Carat [ct] Measuring unit outsided SI group, applied in jewelry industry: 1 ct = 0,2 g Checkweighing Software function present in some types of weighing instruments. Characteristics of this function is precise measuring of a sample for which the lower and upper threshold are defined. Lower threshold (LO) - the sample mass is too small, upper threshold (HI) - the sample mass is too big, OK. - mass of sample is within the thresholds. Such software solution is a good means for fast determination of sample mass with no need for constant supervising of weighing process. Weighing result is indicated as graphic interpretation on weighing instrument display. In industrial solutions, the thresholds are indicated by lights. Additionally, the weighing instruments may be accompanied by controlling module for peripheral devices. Legal Metrology Control Way of supervising a country over measuring instruments for certain applications. Referring to non-automatic weighing instruments from before 1st of May 2004 this control was maintained by type approval (decisions of Polish main Measuring Office chairman), first verification and periodically performed second verification. Counting pieces Weighing instrument operation mode which calculates mass of measured details into its quantity. It is a quotient of overall mass of pieces on the weighing pan and average mass of single piece. Depending on solution, unit mass is calculated on basis of current measurements or collecting data from data base.

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