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National Instruments Corp.
21
Getting Started with the NI 17xx
as that provided by a standard wall outlet (e.g., 115 V for U.S.
or 230 V for Europe). Examples of Measurement Category II
are measurements performed on household appliances,
portable tools, and similar products.
•
Measurement Category III is for measurements performed in
the building installation at the distribution level. This category
refers to measurements on hard-wired equipment such as
equipment in fixed installations, distribution boards, and
circuit breakers. Other examples are wiring, including cables,
bus-bars, junction boxes, switches, socket-outlets in the fixed
installation, and stationary motors with permanent connections
to fixed installations.
•
Measurement Category IV is for measurements performed
at the primary electrical supply installation (<1,000 V).
Examples include electricity meters and measurements on
primary overcurrent protection devices and on ripple control
units.
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.
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, contact your local
branch office:
Australia 1800 300 800, Austria 43 662 457990-0,
Belgium 32 (0) 2 757 0020, Brazil 55 11 3262 3599,
Canada 800 433 3488, China 86 21 5050 9800,
Czech Republic 420 224 235 774, Denmark 45 45 76 26 00,
Finland 358 (0) 9 725 72511, France 01 57 66 24 24,
Germany 49 89 7413130, India 91 80 41190000,
Israel 972 3 6393737, Italy 39 02 41309277, Japan 0120-527196,
Korea 82 02 3451 3400, Lebanon 961 (0) 1 33 28 28,
Malaysia 1800 887710, Mexico 01 800 010 0793,
