Measurement Uncertainty Analysis – Instrument Accuracy Test
Measurement Introduction
Worst case error on 0.1V range:
Error = ((9ppm x 100mV) + (3ppm x 100mV)) + (6ppm x 100mV) + 5((0.15ppm x 100mV) + 100mV))
=2.375uV
Percentage Error = 0.002375%
Voltage Error
Distribution
Standard Uncertainty
2.375uV
Rectangular
1.371uV
Worst case error on 1V range
Error = ((8ppm x 1.0V) + (0.3ppm x 1.0V)) + (1ppm x 1.0V) + 5((0.15ppm x 1.0V) + (0.1ppm x 1.0V))
=10.55uV
Percentage Error = 0.001055%
Voltage Error
Distribution
Standard Uncertainty
10.55uV
Rectangular
6.09uV
Worst case error on 10V range
Error = ((8ppm x 10.0V) + (0.05ppm x 10.0V)) + (1ppm x 10.0V) + 5((0.15ppm x 10.0V) + (0.01ppm x 10.0V))
=98.5uV
Percentage Error = 0.000985%
Voltage Error
Distribution
Standard Uncertainty
98.5uV
Rectangular
56.8uV
Agilent E4416A/E4417A Service Guide |
