©
National Instruments
21
NI 9146 Operating Instructions and Specifications
Hazardous Locations
U.S. (UL)................................................ Class I, Division 2, Groups A, B,
C, D, T4; Class 1, Zone 2, AEx nC
IIC T4 and Ex nC IIC T4
Canada (C-UL)....................................... Class I, Division 2, Groups A,
B, C, D, T4; Class 1, Zone 2,
Ex nL IIC T4
Europe (DEMKO).................................. Ex nA nL IIC T4
Where to Go for Support
The National Instruments Web site is your complete resource for technical
support. At
ni.com/support
you have access to everything from
troubleshooting and application development self-help resources to email
and phone assistance from NI Application Engineers.
A Declaration of Conformity (DoC) is our claim of compliance with the
Council of the European Communities using the manufacturer’s
declaration of conformity. This system affords the user protection for
electromagnetic compatibility (EMC) and product safety. You can obtain
the DoC for your product by visiting
ni.com/certification
. If your
product supports calibration, you can obtain the calibration certificate for
your product at
ni.com/calibration
.
National Instruments corporate headquarters is located at
11500 North Mopac Expressway, Austin, Texas, 78759-3504.
National Instruments also has offices located around the world to help
address your support needs. For telephone support in the United States,
create your service request at
ni.com/support
and follow the calling
instructions or dial 512 795 8248. For telephone support outside the United
States, visit the Worldwide Offices section of
ni.com/niglobal
to access
the branch office Web sites, which provide up-to-date contact information,
support phone numbers, email addresses, and current events.