National Instruments DAQMeter DAQCard-4050, Руководство пользователя

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Appendix A Specifications
DAQMeter DAQCard-4050 User Manual A-2
©
National Instruments Corporation
Input resistance .................................. >1 G
Ω
(2 V, 200 mV,
20 mV ranges); 1 M
Ω
(250 V,
25 V ranges)
Linearity ............................................ 0.0015%
AC Voltage
Accuracy
Additional AC Errors
Frequency dependent errors
Range Accuracy
±(% of r
% of range)
Temperature
Coefficient
±(ppm of reading
+ ppm of
range)/°C
Overrange
250.000 V 0.3% + 0.1% 60 ppm + 10 ppm 250.000 V
25.0000 V 0.4% + 0.2% 60 ppm + 80 ppm 27.0000 V
2.00000 V 0.4% + 0.2% 60 ppm + 100 ppm 2.20000 V
200.000 mV 0.3% + 0.1% 60 ppm + 50 ppm 220.000 mV
20.0000 mV 0.3% + 0.1% 60 ppm + 50 ppm 22.0000 mV
Input Frequency Additional Error
(% of full scale)
20–50 Hz 2%
50–100 Hz 1%
100 Hz–5 kHz 0%
5–10 kHz 1%
10–25 kHz 2%