©
National Instruments Corp.
17
NI 9264 Operating Instructions and Specifications
Meas
u
rement Category II is for meas
u
rements performed on
circ
u
its directly connected to the electrical distrib
u
tion system.
This category refers to local-level electrical distrib
u
tion, s
u
ch as
that provided by a standard wall o
u
tlet, for example, 115 V for U.S.
or 230 V for E
u
rope.
Caution
Do
not
connect the NI 9264 to signals or
u
se for
meas
u
rements within Meas
u
rement Categories III or IV.
Safety Standards
This prod
u
ct is designed to meet the req
u
irements of the following
standards of safety for electrical eq
u
ipment for meas
u
rement,
control, and laboratory
u
se:
•
IEC 61010-1, EN 61010-1
•
UL 61010-1, CSA 61010-1
Note
For UL and other safety certifications, refer to
the prod
u
ct label or visit
ni.com/certification
,
search by mod
u
le n
u
mber or prod
u
ct line, and click
the appropriate link in the Certification col
u
mn.