Index
I-4
©
National Instruments Corporation
programmable open-thermocouple
detection, 3-13
source impedance, 3-13
thermal EMF, 3-13
RTDs, thermistors, and resistors,
3-23 to 3-26
AC noise effects, 3-26
auto-zero method, 3-23 to 3-24
connecting to external circuits, 3-24
guidelines for resistance
measurement (table), 3-25
programmable ground-referencing,
3-24
programmable open-thermocouple
detection, 3-24
self-heating, 3-25 to 3-26
thermal EMF, 3-26
two-wire, three-wire, and four-wire
measurements, 3-24 to 3-25
thermocouples, 3-8 to 3-11
AC noise effects, 3-10
auto-zero method, 3-9
programmable ground-referencing,
3-9
programmable open-thermocouple
detection, 3-10
thermal EMF, 3-10 to 3-11
optional equipment, 1-6
P
physical specifications, A-9
power considerations, for NI 4350 (USB), 2-5
power requirements, A-8
programmable ground-referencing. See
ground-referencing, programmable.
programmable open-thermocouple detection.
See open-thermocouple detection,
programmable.
R
range selection, for measurement mode,
3-1 to 3-2
reading rate selection, 3-2 to 3-3
determining reading rate per channel
(note), 3-3
digital filter characteristics (figure), 3-2
filtering and sample rates (table), 3-3
reference junction, 3-6
requirements for getting started, 1-2
resistance accuracy specifications (table), A-4
resistance measurement, 3-21 to 3-23
connecting resistors, 3-21 to 3-22
multiple transducer connections to
analog channels (figure), 3-22
preventing safety hazards (caution),
3-22
input ranges, 3-23
optimizing, 3-23 to 3-26
AC noise effects, 3-26
auto-zero method, 3-23 to 3-24
connecting to external circuits, 3-24
guidelines for resistance
measurement (table), 3-25
programmable ground-referencing,
3-24
programmable open-thermocouple
detection, 3-24
self-heating, 3-25 to 3-26
thermal EMF, 3-26
two-wire, three-wire, and four-wire
measurements, 3-24 to 3-25
RTDs, 3-14 to 3-18
connecting, 3-16 to 3-18
relationship of resistance and
temperature, 3-14 to 3-16
thermistors, 3-18 to 3-21
connecting, 3-20 to 3-21
resistance-temperature
characteristics, 3-20