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 CategoryII,
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