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National Instruments
17
NI 9155 Operating Instructions and Specifications
Shock and Vibration
To meet these specifications, you must mount the chassis directly on a flat,
rigid surface as described in the
Mounting the Chassis Directly on a Flat
Surface Using the Mounting Holes
section, affix ferrules to the ends of the
terminal lines, and provide strain relief for all cables.
Operating vibration,
random (IEC 60068-2-64)...................... 5 g
rms
, 10 to 500 Hz
Operating vibration,
sinusoidal (IEC 60068-2-6).................... 5 g, 10 to 500 Hz
Operating shock (IEC 60068-2-27)........ 30 g, 11 ms half sine,
50 g, 3 ms half sine,
18 shocks at 6 orientations
Safety
Safety Voltages
Connect only voltages that are within these limits.
V-to-C .................................................... 30 VDC max, Measurement
Category I
Measurement Category I is for measurements performed on circuits not
directly connected to the electrical distribution system referred to as
MAINS voltage. MAINS is a hazardous live electrical supply system that
powers equipment. This category is for measurements of voltages from
specially protected secondary circuits. Such voltage measurements include
signal levels, special equipment, limited-energy parts of equipment,
circuits powered by regulated low-voltage sources, and electronics.
Caution
Do not connect to signals or use for measurements within Measurement
Categories II, III, or IV.
Electromagnetic Compatibility
This product meets the requirements of the following EMC standards for
electrical equipment for measurement, control, and laboratory use:
•
EN 61326-1 (IEC 61326-1): Class A emissions; Industrial immunity
•
EN 55011 (CISPR 11): Group 1, Class A emissions
•
AS/NZS CISPR 11: Group 1, Class A emissions
•
FCC 47 CFR Part 15B: Class A emissions
•
ICES-001: Class A emissions
