Specifications; Maximum Working Voltage - National Instruments SCXI-1321 Installation Manual

To minimize the temperature gradient inside the terminal block, move the SCXI
Note
chassis away from any extreme temperature differential.

Specifications

Electrical
Mechanical

Maximum Working Voltage

1
The temperature sensor accuracy includes tolerances in all component values caused by temperature and loading,
and self-heating.
SCXI-1321 Terminal Block Installation Guide
All specifications are typical at 25 °C unless otherwise specified.
Cold-junction sensor
1
Accuracy ........................................0.9 °C
Output ..............................................10 mV/°C from 0 to 55 °C
Resistors
.............................................301 kΩ ±1%
R
SHUNT
...............................................39 kΩ ±5%
R
NULL
R ...............................................10 kΩ
TRIM
Nulling potentiometer
Range...............................................0 to 10 kΩ
Step size...........................................infinite (user adjustable)
Resistor sockets
Connecting lead size........................0.023 to 0.026 in.
Connecting lead length ....................0.110 to 0.175 in.
Lead spacing....................................0.500 in.
Maximum working voltage refers to the signal voltage plus the
common-mode voltage.
Channel-to-earth .....................................300 V, Installation Category II
Channel-to-channel.................................300 V, Installation Category II
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