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© National Instruments Corp. 21 NI 9472/9474
Ferrules .............................................0.25 mm
2
to 2.5 mm
2
Weight
NI 9472/9474 with
screw terminal ............................150 g (5.3 oz)
NI 9472 with DSUB...................145 g (5.1 oz)
Safety
NI 9472/9474 with Screw Terminal Safety Voltages
Connect only voltages that are within the following limits.
Channel-to-COM .............................. 30 VDC max
Isolation
Channel-to-channel ....................None
Channel-to-earth ground
Continuous........................... 250 V
rms
,
Measurement Category II
Withstand .............................2,300 V
rms
, verified by a 5 s
dielectric withstand test
Measurement Category II is for measurements performed on
circuits directly connected to the electrical distribution system.