Caution
Do not connect the NI 9207 with DSUB to
signals or use for measurements within Measurement
Categories II, III, or IV.
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.
Safety Guidelines for Hazardous Locations
The NI 9207 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
locations only. Follow these guidelines if you are installing the
NI 9207 in a potentially explosive environment. Not following
these guidelines may result in serious injury or death.
Caution
Do not disconnect I/O-side wires or
connectors unless power has been switched off or the
area is known to be nonhazardous.
NI 9207 Getting Started Guide
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