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Specificaties
59
Kringvoeding
Spanning: 24 V
Maximale stroom: 22 mA
Beveiligd tegen kortsluiting
RTD-opwekking (simulatie)
Toegestane opwekking volgens RTD-type
Ni 120 0,15 tot 3,0 mA
Pt 100-385 0,15 tot 3,0 mA
Pt 100-392 0,15 tot 3,0 mA
Pt 100-JIS 0,15 tot 3,0 mA
Pt 200-385 0,15 tot 3,0 mA
Pt 500-385 0,05 tot 0,80 mA
Pt 1000-385 0,05 tot 0,40 mA
Temperatuur, RTD-bereiken en nauwkeurigheden (ITS-90)
Nauwkeurigheid
Type Bereik °C Meting 4-draads °C Meting 2- en 3-draads* °C Aanvoer °C
Ni120 -80 tot 260 0,2 0,3 0,2
Pt100-385 - 200 tot 800 0,33 0,5 0,33
Pt100-392 -200 tot 630 0,3 0,5 0,3
Pt100-JIS -200 tot 630 0,3 0,5 0,3
Pt200-385 -200 tot 250
250 tot 630 0,2
0,8 0,3
1,6 0,2
0,8
Pt500-385 -200 tot 500
500 tot 630 0,3
0,4 0,6
0,9 0,3
0,4
Pt1000-385 -200 tot 100
100 tot 630 0,2
0,2 0,4
0,5 0,2
0,2
Resolutie: 0,1 °C, 0,1 °F
Toegestane opwekkingsstroom (aanvoer): Ni120, Pt100-385, Pt100-392, Pt100-JIS, Pt200-385: 0,15 tot 3,0 mA
Pt500-385: 0,05 tot 0,80 mA; Pt1000-385: 0,05 tot 0,40 mA
RTD-aanvoer: behandelt gepulste transmitters en PLC’s (programmeerbare-logicabesturing) met zeer kort durende pulsen van wel 5 ms.
* 2-draads: exclusief kabelweerstand.
3-draads: veronderstelt identieke kabels met een totale weerstand die niet groter is dan 100 .
69


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