NI 9476E Operating Instructions and Specifications
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© National Instruments
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15
Caution
Measurement Categories CAT I and CAT O
(Other) 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.
Isolation Voltages
Channel-to-channel........................... None
Channel-to-earth ground
Continuous ................................. 60 VDC,
Measurement Category I up
to 5,000 m altitude
Withstand
up to 2,000 m altitude .......... 1,000 V
rms
, verified by a 5 s
dielectric withstand test
up to 5,000 m altitude .......... 500 V
rms
, verified by a 5 s
dielectric withstand test