hazardous locations, in ambient temperatures of -40 °C ≤ Ta ≤
70 °C. If you are using the NI 9425 in Gas Group IIC hazardous
locations, you must use the device in an NI chassis that has been
evaluated as Ex nC IIC T4, Ex IIC T4, Ex nA IIC T4, or Ex nL
IIC T4 equipment.
Caution
Transient protection shall be provided that is
set at a level not exceeding 140% of the peak rated
voltage value of 85 V at the supply terminals to the
equipment.
Caution
The system shall only be used in an area of
not more than Pollution Degree 2, as defined in
IEC/EN 60664-1.
Caution
The system shall be mounted in an
ATEX/IECEx-certified enclosure with a minimum
ingress protection rating of at least IP54 as defined in
IEC/EN 60079-15.
Caution
The enclosure must have a door or cover
accessible only by the use of a tool.
NI 9425 Getting Started Guide
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© National Instruments
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