NI USB-9219 User Guide and Specifications 22 ni.com
Safety
If you need to clean the module, wipe it with a dry towel.
Safety Voltages
Connect only voltages that are within these limits.
Isolation
Channel-to-channel
Continuous...............................250 VAC,
Measurement Category II
Withstand.................................1390 VAC, verified by a
5 s dielectric withstand test
Channel-to-earth ground
Continuous...............................250 VAC,
Measurement Category II
Withstand.................................2300 VAC, 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. Do not
connect the NI 9219 to signals or use for measurements within
Measurement Categories III or IV.
Safety Standards
This product is designed to meet the requirements of the following
standards of safety for electrical equipment for measurement, control,
and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 61010-1, CSA 61010-1
Note For UL and other safety certifications, refer to the product label or visit ni.com/
certification, search by module number or product line, and click the appropriate link
in the Certification column.
Hazardous Locations
The USB-9219 is not certified for use in hazardous locations.