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Appendix A Specifications
NI 4050 User Manual A-6 www.ni.com
General Specifications
Settling time............................................Affected by source impedance
and input signal changes
Warm-up time.........................................30 minutes for measurements
accurate within specifications
Bus type ..................................................PCMCIA, slave
Altitude ...................................................Up to 2,000 m; at higher altitudes
the installation category must be
derated
Working voltage .....................................250 V maximum between either
input terminal and earth ground
Power requirement..................................+5 VDC, 45 mA in operational
mode
Safety......................................................Designed in accordance with
IEC 1010-1 and UL 3111 for
electrical measuring and testing
equipment,
Installation Category II,
Pollution Degree 2,
Double Insulated,
Indoor use,
UL 3111 listed
Physical
Dimensions .............................................Type II PC Card
Environment
Operating temperature ............................0 to 55 °C
Storage temperature................................–20 to 70 °C
Relative humidity ...................................10% to 90% noncondensing