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NI 9225 Operating Instructions and Specifications
Isolation Voltages
Channel-to-channel
Continuous ................................. 600 V
rms
, Measurement
Category II
Withstand.................................... 2,300 V
rms
, verified by a 5 s
dielectric withstand test
Channel-to-earth ground
Continuous ................................. 300 V
rms
, Measurement
Category II
Withstand.................................... 2,300 V
rms
, verified by a 5 s
dielectric withstand test
Measurement Category II is for measurements performed on
circuits directly connected to the electrical distribution system.
This category refers to local-level electrical distribution, such as
that provided by a standard wall outlet, for example, 115 V for U.S.
or 230 V for Europe.
Caution
Do
not
connect the NI 9225 to signals or use
for measurements within Measurement Categories III or
IV.
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