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NI 9481 Operating Instructions and Specifications
14
ni.com
Physical Characteristics
If yo
u
need to clean the mod
u
le, wipe it with a dry towel.
Screw-terminal wiring ...................... 12 to 24 AWG copper
cond
u
ctor wire with 10 mm
(0.39 in.) of ins
u
lation
stripped from the end
Torq
u
e for screw terminals ............... 0.5 to 0.6 N · m
(4.4 to 5.3 lb · in.)
Ferr
u
les ............................................. 0.25 mm
2
to 2.5 mm
2
Weight............................................... 150 g (5.3 oz)
Safety
Safety Voltages
Connect only voltages that are within the following limits.
CHa-to-CHb...................................... 250 V
rms
max,
Meas
u
rement Category II
Meas
u
rement Category II is for meas
u
rements performed on
circ
u
its directly connected to the electrical distrib
u
tion system.
This category refers to local-level electrical distrib
u
tion, s
u
ch as