NI 9237 Operating Instructions and Specifications
28
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Physical Characteristics
If yo
u
need to clean the mod
u
le, wipe it with a dry towel.
Weight............................................... 152 g (5.4 oz)
Safety
Safety Voltages
Connect only voltages that are within the following limits.
Between any two pins ....................... ±30 V max
Isolation
Channel-to-channel .................... None
Channel-to-earth gro
u
nd
Contin
u
o
u
s ........................... 60 VDC, Meas
u
rement
Category I
Withstand ............................. 1,000 V
rms
, verified by a 5 s
dielectric withstand test
Meas
u
rement Category I is for meas
u
rements performed on
circ
u
its not directly connected to the electrical distrib
u
tion system
referred to as
MAINS
voltage. MAINS is a hazardo
u
s live electrical
s
u
pply system that powers eq
u
ipment. This category is for
