way. If the product is damaged, return it to NI for
repair.
Hazardous Voltage
This icon denotes a warning
advising you to take precautions to avoid electrical
shock with the NI 9474 with screw terminal and the
NI 9474 with spring terminal.
Safety Voltages
Connect only voltages that are within the following limits.
Channel-to-COM
30 VDC maximum
Isolation
Channel-to-channel
None
Channel-to-earth ground
Continuous
250 Vrms, Measurement
Category II
Withstand
2,300 Vrms, verified by a 5 s
dielectric withstand test
Measurement Category II is for measurements performed on
circuits directly connected to the electrical distribution system.
NI 9474 Getting Started Guide
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© National Instruments
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