NI USB-9201/9221 User Guide and Specifications
18
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Isolation Voltages for NI USB-9201/9221 with D-SUB
Channel-to-channel.................................None
Channel-to-earth ground
Continuous.......................................60 VDC, Measurement
Category I
Withstand.........................................1,000 V
rms
, verified by a 5 second
dielectric withstand test
Measurement Category I is for measurements performed on circuits
not
directly connected to the electrical distribution system referred to as
MAINS
voltage. MAINS is a hazardous live electrical supply system that
powers equipment. This category is for measurements of voltages from
specially protected secondary circuits. Such voltage measurements include
signal levels, special equipment, limited-energy parts of equipment,
circuits powered by regulated low-voltage sources, and electronics. Do
not
use this module with Measurement Category II, III, or IV voltages.
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 model number or product line, and click the
appropriate link in the Certification column.
Hazardous Locations
The NI USB-9201/9221 is
not
certified for use in hazardous locations.
Environmental
The NI USB-9201/9221 is intended for indoor use only.
Operating temperature
(IEC 60068-2-1, IEC 60068-2-2) ...........0 to 60 °C
Storage temperature
(IEC 60068-2-1, IEC 60068-2-2) ...........– 40 to 85 °C
Operating humidity
(IEC 60068-2-56) ...................................10 to 90% RH, noncondensing