National Instruments Module NI PXI-8250 - Manual (Page 26)

Appendix A Specifications
NI PXI-8250 User Manual A-2 ni.com
Monitoring Alert Limits (Green Status LEDs)
Voltage rail level ....................................±5% (from nominal)
Intake temperature ..................................0–50 °C
Fan speed ................................................1,500 RPM or more for all fans
in a chassis
Monitoring Accuracy
Voltage rail level readings ......................±100 mV
Intake temperature readings....................±1 °C
Fan speed readings..................................±50 RPM
Alert Relay Specification
Max current (switching/carry) ................1 A
Max voltage ............................................30 V
Max power ..............................................30 W
Max cable length ....................................20 m
Connectors
Front panel connector .............................8-pin 3.5 mm pitch,
screw-flange connector
Physical
Front panel dimensions...........................3U
× 4 HP
Overall dimensions .................................13.34
× 2.03 cm (5.25 × 0.8 in.)
Weight ....................................................150 g (5.29 oz)
Environment
Maximum altitude...................................2,000 m (800 mbar)
(at 25 °C ambient temperature)
Pollution Degree .....................................2
Indoor use only.