Network Card User Manual

Appendix A Specifications
© National Instruments Corporation A-3 SCXI-1120 User Manual
Note: You can find the temperature T (°C) as follows:
T (°C) = T
K
- 273.15
where T
K
is the temperature in kelvin
T
K
=
1
a +b lnR
T
()
+c lnR
T
()
3
[]
a = 1.288 x 10
-3
b = 2.356 x 10
-4
c = 9.556 x 10
-8
R
T
= resistance of the thermistor in Ω
R
T
=50,000
V
TEMPOUT
2.5−V
TEMPOUT






V
TEMPOUT
= output voltage of the temperature sensor
Physical
Dimensions 1.2 by 6.8 by 8.0 in.
Connectors 50-pin male ribbon-cable rear connector
32-pin DIN C male front connector
(18-screw terminal adapter available)
Operating Environment
Temperature 0° to 50° C
Relative humidity 5% to 90% at 35° C
Storage Environment
Temperature -55° to 150° C
-55° to 125° C for the SCXI-1328
Relative humidity 5% to 90% noncondensing