National Instruments NI 9421

Caution In order to meet the EMC requirements for
marine applications, install the product in a shielded
enclosure with shielded and/or filtered power and
input/output ports. In addition, take precautions when
designing, selecting, and installing measurement probes
and cables to ensure that the desired EMC performance
is attained.
Preparing the Environment
Ensure that the environment in which you are using the NI 9421
meets the following specifications.
...........................................................Operating temperature
(IEC 60068-2-1, IEC 60068-2-2)
-40 °C to 70 °C
...........................................................Operating humidity
(IEC 60068-2-78)
10% RH to 90% RH,
noncondensing
...........................................................Pollution Degree 2
...........................................................Maximum altitude 2,000 m
Indoor use only.
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