问题：
What is the recommended calibration interval for my Tektronix or Keithley instrument?
答案：
See our Product Warranty Info and Pricing page. It will give you information about recommended calibration intervals, and let you know if your product is still under warranty.
Type in the model name where indicated (instrument serial number is optional).
For more general information, see the document "Everything You Need to Know about Calibration."
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常见问题 ID 57841
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