
Chapter 4: Testing Performance
Performance Test Record
81
Test Limits Results
Time Scale
Accuracy
Limit
Limit is based on years since oscilloscope’s last
calibration
Calculated
TSA Spec
Measured
time scale
error
Pass/Fail
TSA = ±(0.4 + 0.5(Years Since Calibration))
ppm
___________ ___________ ___________
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