≤ Ta ≤ 70 °C. If you are using the NI 9775 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
You must make sure that transient
disturbances do not exceed 140% of the rated voltage.
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.
Electromagnetic Compatibility Guidelines
This product was tested and complies with the regulatory
requirements and limits for electromagnetic compatibility (EMC)
stated in the product specifications. These requirements and
limits provide reasonable protection against harmful interference
NI 9775 Getting Started Guide
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© National Instruments
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