User manual

Chapter 2 Performance Verification Test RIGOL
MSO4000/DS4000 Performance Verification Guide
2-19
Test Record Form
Channel
Test Result ΔT
Calculation Result
[1]
Limit
Pass/Fail
CH1
±(4 ppm + 2 ppm/year ×
Number of years that the
instrument has been used
[2]
)
Note
[1]
: Calculation Result = Test Result ΔT/1 ms.
Note
[2]
: For the number of years that the instrument has been used, please calculate according to the date in the
verification certificate provided when the instrument leaves factory.