F 6215 (0507)
284
Using of one Pt 100 in four-wire technique:
Figure 9: Using of one Pt 100 in four-wire technique
Using of more than one Pt 100 in four-wire technique:
Figure 10: Using of more than one Pt 100 in four-wire technique
*) Installation of diode ZPD 5.1 on terminals in case of replacing a Pt 100 element.
Note
The resistance of the current loop must be less than 6 kΩ!
Reason: To ensure the security of the functions of all other Pt 100
measurements in case of
one thermometer break.
Z 7127 / 6215
Z 7127 / 6215
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