Sources

Estimative

Type

Distribution

Divisor

Uncertainties

Affectation of common mode voltage to 60 Hz (CMRR)

0.3925 mV

B

Rectangular

0.2266 mV

Repeatability of the vout measure (IA)

1.0323 × 10−3 mV

A

Normal

0.2433 × 10−3 mV

Repeatability of the vout electromyograph (EMG)

1.123 mV

A

Normal

0.25 mV

Resolution of the oscilloscope vertical channel (OSCRES)

0.1 mV

B

Rectangular

0.0577 mV

Calibration certificate of the oscilloscope vertical channel (OSCCAL)

1.76 mV

B

Normal

1.96

0.8979 mV

Resolution of the board NI USB-6009 (AD)

1.2 mV

B

Rectangular

0.6928 mV

Combined uncertainty

Coverage Factor

Effective degrees of freedom

Expanded Uncertainty

Uexp = 2.31 mV