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SERVICE INFORMATION
Table 4-1. Verification
Equipment
Description
1 Model
Specifications
I
I
Application
I
Path resistance
Keithley
196
3ooo; 0.01%
Keithley
617
lOpA, lOOpA; 1.6%
1OOV source;
0.2%
Electrometer
w/voltage
source
Triax cable
(unterminated)
Offset current isolation
Keithley
181
2mV; 0.015%
Contact potential
Keithley
RI25
-
Offset current isolation
Low thermal cable
(unterminated)
Keithley
1484 -
Contact potential
L----------------------
Model
7071
Figure 4-2. Path Resistance Testing
44
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