© National Instruments Corp. 15 NI 9481 Operating Instructions and Specifications
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 9481 to signals or use
for measurements within Measurement CategoriesIII
or IV.
Isolation
Channel-to-channel
Continuous........................... 250 Vrms
Withstand.............................1,400 Vrm s, verified by a 5 s
dielectric withstand test
Channel-to-earth ground
Continuous...........................250 Vrms
Withstand.............................2,300 Vrm s, verified by a 5 s
dielectric withstand test
Hazardous LocationsU.S. (UL)................................ ..........Class I, Division 2,
GroupsA, B, C, D, T4;
Class I, Zone 2,
AEx nC IIC T4