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Appendix A Specifications
© National Instruments Corporation A-3 SCXI-1122 User Manual
Excitation
Output Characteristics
Channels 2 (1 voltage and 1 current)
Bridge type Quarter, half, or full
Bridge completion Two 2.5 kΩ ±0.02% ratio tolerance resistors
Voltage Mode
Level 3.333 V ±0.04%
Current drive 225 mA
Drift 30 ppm/°C
Current Mode
Level 1.0 mA ±0.04%
Max load resistance 5 kΩ
Drift 40 ppm/°C
Physical
Dimensions 3.0 by 17.3 by 20.3 cm (1.2 by 6.8 by 8.0 in.)
I/O connectors 50-pin male ribbon cable rear connector
48-pin male DIN C front I/O connector
Environment
Operating temperature 0 to 50 ° C
Storage temperature -20 to 70 C
Relative humidity 10% to 90%
Maximum altitude <2000 meters
Safety
Electrical Measuring and IEC/EN 61010-1, UL 3111-1,
Test Equipment CAN/CSA C22.2, No. 1010.1
Installation Category Category II
Pollution degree 2