National Instruments NI 9481 - Manual (Page 15)

© 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 Categories III
or IV.
Isolation
Channel-to-channel
Continuous ........................... 250 V
rms
Withstand ............................. 1,400 V
rms
, verified by a 5 s
dielectric withstand test
Channel-to-earth ground
Continuous ........................... 250 V
rms
Withstand ............................. 2,300 V
rms
, verified by a 5 s
dielectric withstand test
Hazardous Locations
U.S. (UL) .......................................... Class I, Division 2,
Groups A, B, C, D, T4;
Class I, Zone 2,
AEx nC IIC T4