NI myDAQ User Guide and Specifications
42
ni.com
Current Measurement
DC ranges ...............................................20 mA, 200 mA, 1 A
AC ranges ...............................................20 mA
rms
, 200 mA
rms
, 1 A
rms
Note
All AC accuracy specifications within 20 mA and 200 mA ranges apply to signal
amplitudes greater than 5% of range. All AC accuracy specifications within the 1 A range
apply to signal amplitudes greater than 10% of range.
Accuracy
Input protection.......................................Internal ceramic fuse, 1.25 A
250 V, fast-acting, 5
20 mm,
F 1.25A H 250V
(Littelfuse part number 02161.25)
Function
Range
Resolution
Accuracy
± ([% of Reading] + Offset)
DC Amps 20.00 mA
0.01 mA
0.5% + 0.03 mA
200.0 mA
0.1 mA
0.5% + 0.3 mA
1.000 A
0.001 A
0.5% + 3 mA
40 to 400 Hz
400 to 2,000 Hz
AC Amps 20.00 mA
0.01 mA
1.4% + 0.06 mA
5% + 0.06 mA
200.0 mA
0.1 mA
1.5% + 0.8 mA
5% + 0.8 mA
1.000 A
0.001 A
1.6% + 6 mA
5% + 6 mA
