Appendix A
Specifications
©
National Instruments Corporation
A-5
NI PXI-1042 Series User Manual
Random Vibration
Operating................................................ 5 to 500 Hz, 0.3 g
rms
Nonoperating.......................................... 5 to 500 Hz, 2.4 g
rms
(Tested in accordance with
IEC-60068-2-64. Nonoperating
test profile exceeds the
requirements of
MIL-PRF-28800F, Class 3.)
Acoustic Emissions
Sound Pressure Level (at Operator Position)
(Tested in accordance with ISO 7779.)
PXI-1042Q
Auto fan (at 25 °C ambient)............ 43.4 dBA
High fan .......................................... 52.9 dBA
PXI-1042
Auto fan (at 25 °C ambient)............ 50.5 dBA
High fan .......................................... 58.7 dBA
Sound Power
(Tested in accordance with ISO 7779.)
PXI-1042Q
Auto fan (at 25 °C ambient)............ 52.2 dBA
High fan .......................................... 62.4 dBA
PXI-1042
Auto fan (at 25 °C ambient)............ 58.8 dBA
High fan .......................................... 67.7 dBA
