VOCABULAR international de termeni utilizati in metrologie - UTM
VOCABULAR international de termeni utilizati in metrologie - UTM
VOCABULAR international de termeni utilizati in metrologie - UTM
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Nota<br />
La anumite dispozitive <strong>de</strong> afisare, cadranul are forma cil<strong>in</strong>drica sau <strong>de</strong> disc, numerele<br />
<strong>de</strong>plasandu-se <strong>in</strong> raport cu un <strong>in</strong>dice fix sau o fereastra<br />
4.28.(4.30.) NUMEROTARE A UNEI SCARI – ansamblu ordonat <strong>de</strong> numere asociate<br />
reperelor scarii<br />
4.29.(4.32) CALIBRARE (A UNUI MIJLOC DE MASURARE) – Operatie <strong>de</strong> fixare a<br />
pozitiilor reperelor scarii unui mijloc <strong>de</strong> masurare ( <strong>in</strong> anumite cazuri numai a unor repere<br />
pr<strong>in</strong>cipale ) <strong>in</strong> functie <strong>de</strong> valorile corespunzatoare ale masurandului.<br />
Nota<br />
A nu se confunda calibrare cu etalonare.<br />
4.30.(4.33.) AJUSTARE (A UNUI MIJLOC DE MASURARE) – Operatie <strong>de</strong>st<strong>in</strong>ata<br />
aducerii unui mijloc <strong>de</strong> masurare <strong>in</strong>tr-o stare <strong>de</strong> functionare convenabila utilizarii sale<br />
Nota<br />
Ajustarea poate fi automata, semiautomata sau manuala.<br />
4.31.(4.34.) REGLARE (A UNUI MIJLOC DE MASURARE) - ajustare efectuata<br />
utilizand numai mijloace tehnice <strong>de</strong> care dispune utilizatorul.<br />
5.CARACTERISTICI ALE MIJLOACELOR DE MASURARE<br />
Unii d<strong>in</strong> <strong>termeni</strong>i <strong>utilizati</strong> pentru <strong>de</strong>scrierea caracteristicilor unui mijloc <strong>de</strong> masurare<br />
sunt aplicabili, <strong>in</strong> egala masura, unui aparat c<strong>de</strong> masurat, unui dispozitiv <strong>de</strong> masurare, unui<br />
traductor <strong>de</strong> masurare sau unui sistem <strong>de</strong> masurare si, pr<strong>in</strong> analogie, pot fi aplicati unei<br />
masuri sau unui material <strong>de</strong> refer<strong>in</strong>ta.<br />
Semnalul <strong>de</strong> <strong>in</strong>trare al unui sistem <strong>de</strong> masurare poate fi <strong>de</strong>numit stimul, iar semnalul<br />
<strong>de</strong> iesire poate fi <strong>de</strong>numit raspuns. In acest capitol, termenul masurand <strong>de</strong>semneaza marimea<br />
<strong>de</strong> <strong>in</strong>trare a unui mijloc <strong>de</strong> masurare.<br />
5.1. DOMENIU NOMINAL – domeniu <strong>de</strong> <strong>in</strong>dicatii care se pot obt<strong>in</strong>e <strong>in</strong>tr-o<br />
configuratie data a comenzilor unui mijloc <strong>de</strong> masurare.<br />
Note<br />
1.Domeniul nom<strong>in</strong>al este, <strong>in</strong> mod normal, exprimat pr<strong>in</strong> limitele sale, <strong>in</strong>ferioara si<br />
superioara, <strong>de</strong> exemplu <strong>de</strong> la 100 0 C la 200 0 C. Atunci cand limita <strong>in</strong>ferioara este zero, domeniul<br />
nom<strong>in</strong>al este, <strong>de</strong> regula, exprimat numai pr<strong>in</strong> limita superioara, <strong>de</strong> exemplu un domeniu nom<strong>in</strong>al <strong>de</strong><br />
la 0V la 100V este <strong>de</strong>numit domeniu nom<strong>in</strong>al <strong>de</strong> 100 V.<br />
2.Vezi nota <strong>de</strong> la 5.2.<br />
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