National Instruments NI 9264 Operating Instructions Manual page 18

Hazardous Locations
U.S. (UL) .......................................... Class I, Division 2,
Canada (C-UL) ................................. Class I, Division 2,
Europe (DEMKO)............................. Ex nA IIC T4
Environmental
National Instruments C Series modules are intended for indoor use
only but may be used outdoors if installed in a suitable enclosure.
Refer to the manual for the chassis you are using for more
information about meeting these specifications.
Operating temperature
(IEC 60068-2-1, IEC 60068-2-2) ..... –40 to 70 °C
Storage temperature
(IEC 60068-2-1, IEC 60068-2-2) ..... –40 to 85 °C
Ingress protection.............................. IP 40
NI 9264 Operating Instructions and Specifications
Groups A, B, C, D, T4;
Class I, Zone 2,
AEx nA IIC T4
Groups A, B, C, D, T4;
Class I, Zone 2,
Ex nA IIC T4
18 ni.com