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Appendix A
Specifications
A-4
ni.com
where
T
K
is the temperature in kelvin
a
= 1.288
×
10
–3
b
= 2.356
×
10
–4
c
= 9.556
×
10
–8
R
T
= resistance of the thermistor in
Ω
V
TEMPOUT
= output voltage of the temperature sensor
Physical
Dimensions .............................................3.0 cm
×
17.2 cm
×
18.8 cm
(1.2 in.
×
6.8 in.
×
7.4 in.)
Weight ....................................................667.3 g (23.5 oz)
Connectors ..............................................50-pin male ribbon-cable rear
connector
32-pin DIN C front connector
(18-screw terminal adapter
available)
Environment
Operating Temperature ..........................0 to 50 °C
Storage Temperature...............................–20 to 70 °C
Relative humidity ...................................10% to 90% noncondensing
T
K
1
a b
R
T
ln
(
)
c
R
T
ln
(
)
3
+
+
[
]
--------------------------------------------------------------
=
R
T
50000
V
TEMPOUT
2.5
V
TEMPOUT
–
--------------------------------------
=