Physical, Operating environment, Storage environment – National Instruments SCXI-1120 User Manual

Page 89

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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

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

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