Tektronix VX4101A Drums User Manual


 
Appendix A: Specifications
A–24
VX4101A MultiPaq Instrument User Manual
Table A–57: DC Current Accuracy Specifications for 1 Millisecond Aperture
Range
Burden 24 Hour 90 Day 1 Year
Temp
Coefficient / _C
150 mA
±0.1 V
0.10% + 80 mA 0.12% + 100 mA 0.15% + 120 mA 0.05% + 8 mA
1 A
±0.4 V
0.15% + 240 mA 0.15% + 280 mA 0.18% + 320 mA 0.05% + 50 mA
NOTE. Percents listed above are percent of reading. Instrument set up is as
follows:
Autozero On, after 20 minute warm-up.
Tcal is the calibration temperature (18 to 28
° C). Specifications are for Tcal
±3
° C. Multiply the total temperature coefficient by the difference between the
actual operating temperature and Tcal ±3
° C.
Add 0.02% of the range setting to the first reading following a range change.
Burden voltage is the maximum voltage drop caused by the current measurement
for the maximum reading in the range.
For Autozero Off, do the following:
For daily and long term drift, add 110 m A/Day for the 150 mA range and
120 mA/Day for the 1A range.
For temperature drift, add 2 mA per °C for 150 mA range, and 15 mA per °C for
the 1A range.