Voltech AT360, User Manual

Page: 246 / 470

F
IXTURES
P
AGE
5-22 V
OLTECH
AT
I
U
SER
M
ANUAL
The AT Series testers provide all the connections required to take advantage
of Kelvin measurements.
A test node may be considered to be a pair of connections consisting of one
power and one sense terminal.
The following diagram indicates how to identify the node terminal function:
POWER
terminals are all on the outside of the fixture area.
SENSE
terminals are all on the inside of the fixture area.
The BNC to clip leads supplied with your ATi provide true 4-terminal Kelvin
connections.
IMPORTANT: Kelvin four terminal connections are generally
advised to be used in all test fixtures; they are essential for
transformers whose winding resistance’s are less then 1
Ω Ω Ω Ω
.
i