User manual - METER SWE-94-U
a)
b)
Figure 4.8. Connection of RTD sensors:
a) 3-wires circuit; b) 2-wires circuit
The connection circuit should not be changed while unit is powered. Every change
of connection while the unit is powered causes measurement errors by several
seconds after change.
Figure 4.9. Connection of 2-wire current converters
Figure 4.10. Connection of 3-wire current converters
12
24V DC
+ -
+
-
9 10
7 8
9 10
7 8
-
+
24V DC
+ -
Pt100
Ra
Rc
8 9
7
10
Ra, Rc can be different
n.c.
n.c.
i
Pt100
Ra
Rb
Rc
8
10
9
7
Ra = Rb = Rc
n.c.
Summary of Contents for SWE-94-U
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