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Appendix A Specifications
SCXI-1503 User Manual A-4 ni.com
Gain temperature coefficient
(gain 1 or 100) ........................................±15 ppm/°C max
±5 ppm/°C typ
Excitation
Channels .................................................16 single-ended outputs
Current output.........................................100 μA
Accuracy.................................................±0.05%
Temperature drift....................................±5 ppm/°C
Output voltage compliance.....................10 V
Maximum resistive load .........................100 kΩ
Overvoltage protection ...........................±40 VDC
Measurement Category...........................CAT I
Power Requirements From SCXI Backplane
V+ ...........................................................18.5 to 25 VDC, 170 mA
V– ...........................................................–18.5 to –25 VDC, –170 mA
+5 V ........................................................+4.75 to 5.25 VDC, 50 mA
Environmental
Operating temperature ............................0 to 50 °C
Storage temperature................................–20 to 70 °C
Humidity.................................................10 to 90% RH, noncondensing
Maximum altitude...................................2,000 meters
Pollution Degree (indoor use only) ........2