©
National Instruments Corp.
31
NI 9219E Operating Instructions and Specifications
Safety
Safety Voltages
Connect only voltages that are within the following limits.
Channel-to-channel
Continuous ................................. 250 VAC,
Measurement Category II,
(Basic insulation)
Withstand.................................... 1,390 VAC, verified by a 5 s
dielectric withstand test
Channel-to-earth ground
Continuous ................................. 250 VAC,
Measurement Category II,
(Double insulation)
Withstand.................................... 2,300 VAC, verified by a 5 s
dielectric withstand test
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