GW Instek GOM-804 - Measurement Connections

GETTING STARTED
25
4 Wire Kelvin Connection
Background
The GOM-804/805 uses 4 wire Kelvin connections for
accurate measurements.
Connection
Diagram
GUARD
SOURCE SENSE SENSE
SOURCE
shielding
+
-
Description
Source +
The Source + terminal carries the
measuring current source. It is
connected to the + side of the DUT.
Source -
The Source - terminal accepts the signal
return current and connects to the –
side of the DUT.
Sense +
Monitors the positive (+) potential.
Sense -
Monitors the negative (-) potential.
Guard
Grounds the shielding layer of the test
lead cables to reduce noise.
GND
Provides a reference ground for the
GOM-804/805.
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