Figure 3-14 Thermocouple Connections - Keithley 2701 User Manual

Model 2701 User's Manual
Figure 3-14
Thermocouple connections
Model 2701
Input HI
Input LO
Copper wires
Copper wire to thermocouple
wire connection (one of two)
A. Simulated reference junction (front panel inputs)
Model 7700
Switching Module
Copper wire to thermocouple
wire connection (one of two)
B. Simulated reference junction (Model 7700)
Model 7700
Switching Module
C. Internal reference junction (Model 7700)
+
CH 11-20
-
Thermocouple
D. Channel average calculation, internal reference junction (Model 7700)
+
-
Thermocouple
Ice Bath
H
CH 1-20
L
Copper wires
H
+
CH 1-20
-
L
H
Model 7700
Switching
Module
L
+
-
Thermocouple
Ice Bath
Thermocouple
H
CH 1-10
L
Basic DMM Operation
+
-
Thermocouple
3-39