Genie NI 5421 Portable Generator User Manual


 
© National Instruments Corporation 29 NI 5421 Specifications
Calibration
Power
Table 11.
Specification Value Comments
Self-Calibration An onboard, 24-bit ADC and precision voltage reference are
used to calibrate the DC gain and offset. The self-calibration
is initiated by the user through the software and takes
approximately 75 seconds to complete.
External
Calibration
The External Calibration calibrates the VCXO, voltage
reference, DC gain, and offset. Appropriate constants are
stored in nonvolatile memory.
Calibration
Interval
Specifications valid within 2 years of External Calibration.
Warm-up Time 15 minutes
Table 12.
Specification Typical Operation Overload Operation Comments
+3.3 VDC 1.9 A 2.7 A Typical.
Overload
operation occurs
when CH 0 is
shorted to
ground.
+5 VDC 2.0 A 2.2 A
+12 VDC 0.46 A 0.5 A
–12 VDC 0.01 A 0.01 A
Total Power 21.9 W 26.0 W