National Instruments NI 9234 Operating Instructions Manual page 29

Hazardous Locations
U.S. (UL) .......................................... Class I, Division 2,
Canada (C-UL) ................................. Class I, Division 2,
Europe (DEMKO)............................. Ex nA IIC T4
Safety Standards
This product is designed to meet the requirements of the following
standards of safety for electrical equipment for measurement,
control, and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 61010-1, CSA 61010-1
Note
product label or the
© National Instruments Corp.
For UL and other safety certifications, refer to the
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
Online Product Certification
29
NI 9234 Operating Instructions and Specifications
section.