Appendix A Specifications
© National Instruments Corporation A-3 NI 6115/6120 User Manual
Table A-1. NI 6115 Analog Input DC Accuracy Information
Nominal
Range
(V)
Absolute Accuracy Relative Accuracy
% of Reading
Offset
(mV)
Noise +
Quantization (mV) Temp
Drift
(%/°C)
Absolute
Accuracy at
Full Scale
(±mV)
Resolution (mV)
Full
Scale 24 Hours 1 Year
Single
Pt. Averaged
Single
Pt. Averaged
±50 0.346 0.348 33 42 3.6 0.0229 211.0 48 4.8
±20 0.271 0.273 13 17 1.4 0.0229 69.4 19 1.9
±10 0.026 0.028 6.7 8.3 0.72 0.0004 10.22 10 1.0
±5 0.016 0.018 3.4 4.2 0.36 0.0004 4.61 4.8 0.48
±2 0.036 0.038 1.3 1.8 0.16 0.0004 2.26 2.1 0.21
±1 0.043 0.045 0.68 1.1 0.09 0.0004 1.23 1.2 0.12
±0.5 0.058 0.060 0.35 0.6 9 0.061 0.0004 0.71 0.80 0.080
±0.2 0.103 0.105 0.15 0.4 3 0.039 0.0004 0.39 0.51 0.051
Table A-2. NI 6120 Analog Input DC Accuracy Information
Nominal
Range
(V)
Absolute Accuracy Relative Accuracy
% of Reading
Offset
(µV)
Noise +
Quantization (µV)
Temp
Drift
(%/°C)
Absolute
Accuracy
at Full
Scale
(±mV)
Resolution (µV)
Full
Scale
24
Hours 1 Year
Single
Pt. Avera g e d
Single
Pt. Averaged
±50 0.190 0.191 6274 .4 5621.9 503.5 0.0106 101.5 6629 .9 663.0
±20 0.152 0.156 2511 .3 2248.7 201.4 0.0106 33.0 2652.0 265.2
±10 0.039 0.041 1257 .0 1124.4 100.7 0.0006 5.28 1326.0 132.6
±5 0.040 0.041 630 562.2 50.4 0.0006 2.66 663.0 66.3
±2 0.040 0.042 253 224.9 20.1 0.0006 1.07 265.2 26.5
±1 0.041 0.043 128 150.0 13.7 0.0006 0.55 180.8 18.1
±0.5 0.045 0.046 66.0 144.3 13.7 0.0006 0.30 180.8 18.1
±0.2 0.050 0.052 29.1 112.8 11.0 0.0006 0.14 144.7 14.5