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© National Instruments Corp. 25 NI 9229/9239
Safety
Safety Voltages
Connect only voltages that are within the following limits.
Channel-to-earth ground isolation
Continuous .................................250 V
rms
,
Measurement Category II
Withstand....................................2,300 V
rms
, verified by a 5 s
dielectric withstand test
Channel-to-channel isolation
Continuous .................................250 V
rms
,
Measurement Category II
Withstand....................................1,390 V
rms
, verified by a 5 s
dielectric withstand test
Zone 2 hazardous locations applications in Europe
Maximum voltage
(channel-to-earth ground
and channel-to-channel).............60 VDC,
Measurement Category I