Owner's manual
Glossary
81
through a communications channel,
such as the GPIB.
Q
Quantization Error The inherent uncertainty in digitizing an
analog value due to the finite resolution
of the conversion process.
R
Real Time A property of an event or system in
which data is processed as it is acquired
in-stead of being accumulated and
processed at a later time.
Resource Locking A technique whereby a device is
signaled not to use its local memory
while the memory is in use from the
bus.
Ribbon Cable A flat cable in which the conductors
are side by side.
RTD Resistance Temperature Detector: A
metallic probe that measures
temperature based upon its coefficient
of resistivity.
S
SE Single-Ended: A term used to describe
an analog input that is measured with
respect to a common ground.
Self-Calibrating DAQ board that calibrates its own A/D
and D/A circuits with and external
reference source.
Sensor A device that responds to a physical
stimulus (heat, light, sound, pressure,
motion, flow, and so on), and
produces a corresponding electrical
signal.
S/H Sample-and-Hold: A circuit that
acquires and stores an analog