Microtest CT-8700 - II.1.A SELFTEST

CT
CTCT
CT-
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-8700
87008700
8700 User
User User
User’s Guide
s Guides Guide
s Guide
P 4
I.4.B
I.4.B I.4.B
I.4.B The points
(1) This series is 4 Wire measurement, it can test micro-resistance, but each test
point must have 2 connected point with instrument.
(2)
4 Wire measurement test
Traditional 2 Wire
measurement test
The 4 wire measurement greater the accuracy
(3) Wiring map
(3) Wiring map
under impedance test
Current
Current Current
Current Measurement Device
Measurement Device Measurement Device
Measurement Device
S
SS
Source
ource ource
ource U
U U
Under
nder nder
nder
Test
Test Test
Test
Error Source
Error SourceError Source
Error Source
Current
Current Current
Current Measurement
Measurement Measurement
Measurement Device
Device Device
Device
S
SS
Source
ource ource
ource U
UU
Under
nder nder
nder
Test
Test Test
Test