NI 9222/9223
18
ni.com
Safety
Safety Voltages
Connect only voltages that are within the following limits.
Isolation
Channel-to-channel
Contin
u
o
u
s ........................... 60 VDC,
Meas
u
rement Category I
Withstand ............................. 1000 V
rms
, verified by a 5 s
dielectric withstand test
Channel-to-earth gro
u
nd
Contin
u
o
u
s ........................... 60 VDC,
Meas
u
rement Category I
Withstand ............................. 1000 V
rms
, verified by a 5 s
dielectric withstand test
Division 2 and Zone 2 hazardo
u
s locations applications
(Channel-to-channel and
channel-to-earth gro
u
nd) ............ 60 VDC,
Meas
u
rement Category I