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ognize that accuracy may be significantly degraded using a two-wire connec
-
tion because of wire resistance.
1521 Handheld Thermometer Readout
User’s Guide
24
GND
P1
C2
P2
C1
J1 J2
Four-wire Connection
GND
P1
C2
P2
C1
J1 J2
Three-wire Connection
GND
P1
C2
P2
C1
J1 J2
Two-wire Connection
Short
Short
Figure 6 Probe Wiring Diagrams