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 9472 to signals or use
for measurements within Measurement Categories III
or IV.
NI 9472 with DSUB Safety Voltages
Connect only voltages that are within the following limits.
Channel-to-COM
30 VDC maximum
Isolation
Channel-to-channel
None
Channel-to-earth ground
Continuous
60 VDC, Measurement
Category I
Withstand
1,000 Vrms, verified by a 5 s
dielectric withstand test
4
|
ni.com
|
NI 9472 Getting Started Guide