National Instruments 9775, Руководство по началу работы

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Safety Voltages
Connect only voltages that are within Measurement Category O.
Isolation
Channel-to-channel None
Channel-to-earth
ground
None
Note
Measurement Categories CAT I and CAT O are
equivalent. These test and measurement circuits are not
intended for direct connection to the MAINS building
installations of Measurement Categories CAT II,
CAT III, or CAT IV.
Caution
Do not connect the NI 9775 to signals or use
for measurements within Measurement Categories II,
III, or IV.
Safety Guidelines for Hazardous Locations
The NI 9775 is suitable for use in Class I, Division 2, Groups A,
B, C, D, T4 hazardous locations; Class I, Zone 2, AEx nA IIC T4
and Ex nA IIC T4 hazardous locations; and nonhazardous
NI 9775 Getting Started Guide | © National Instruments | 3