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GW Instek GDM-9060 - Page 34

GW Instek GDM-9060
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GDM-906X Series User Manual
34
F5 (DCV Ratio)
key to enable
DCV Ratio
Background
The GDM-9060/9061 is able to
calculate DCV ration by measuring
input voltage from the Input
terminals and the reference voltage
from the Sense terminals. Before
activating the DCV Ration, it is
required to wire test leads as the
following illustration.
The equation of DCV ratio is like
the following mathematical
calculation:
See the above equation from which
DC Reference Voltage indicates the
measured voltage from the Sense
terminals.
Display
DCV Ratio
Reading
Input Voltage
Reading
Reference
Voltage Reading
From the screenshot above for example, the
INP: +00.86308V (input voltage) is divided
by the REF: +00.85414V (reference voltage),
and the result turns out the DCV ratio:
+1.010457 shown in giant reading clearly.
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