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Glossary
©
National Instruments Corporation
G-3
N
NI-SWITCH
an IVI-based instrument driver that supports the National Instruments line
of switch cards
O
oz
ounce
P
PXI
PCI with extensions for instrumentation
R
RF
radio frequency
relay
a switch that connects or disconnects the signal to a common through the
physical movement of a metal arm
rms
root mean square—the square root of the average value of the square of the
instantaneous signal amplitude; a measure of signal amplitude
S
s
seconds
SCXI
Signal Conditioning eXtensions for Instrumentation—the National
Instruments product line for conditioning low-level signals within an
external chassis near sensors so only high-level signals are sent to DAQ
boards in the noisy PC environment