Appendix A Specifications
NI 781xR User Manual A-4 ni.com
EnvironmentalOperating Environment
The NI78 1xR is intended for indoor use only.
Ambient temperature range....................0 °C to 55 °C, tested in
accordance with IEC-60068-2-1
and IEC-60068-2-2
Relative humidity range..........................10% to 90%, noncondensing,
tested in accordance with
IEC-60068-2-56
Altitude...................................................2,000 m at 25 °C ambient
temperature
Storage Environment
Ambient temperature range....................–20 °C to 70 °C, tested in
accordance with IEC-60068-2-1
and IEC-60068-2-2
Relative humidity range..........................5% to 95%, noncondensing,
tested in accordance with
IEC-60068-2-56
Note Clean the device with a soft, non-metallic brush. Make sure that the device is
completely dry and free from contaminants before returning it to service.
Shock and Vibration (NI PXI-781xR Only)
Operational shock...................................30 g peak, half-sine, 11 ms pulse
Tested in accordance with
IEC-60068-2-27. Test profile
developed in accordance with
MIL-PRF-28800F.
Random vibration
Operating.........................................5 Hz to 500 Hz, 0.3 grms
Nonoperating...................................5 Hz to 500 Hz, 2.4 grms
Tested in accordance with
IEC-60068-2-64. Nonoperating
test profile exceeds the
requirements of
MIL-PRF-28800F, Class 3.