©
National Instruments Corp.
15
NI 9208E Operating Instructions and Specifications
Withstand ............................. 1,000 V
rms
, verified by a 5 s
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.
Caution
Do
not
connect the NI 9208E to signals or use
for measurements within Measurement Categories II,
III, or IV.
Safety Standards
This product meets the requirements of the following standards
of safety for electrical equipment for measurement, control,
and laboratory use when installed in a suitable enclosure:
•
IEC 61010-1, EN 61010-1
•
UL 61010-1, CSA 61010-1