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3-1
Chapter 3
Calibration and Verification
Title Page
3-1. Introduction .......................................................................................... 3-3
3-2. Accessing the Fuse............................................................................... 3-4
3-3. Cleaning the Air Filter.......................................................................... 3-5
3-4. Cleaning the Exterior ........................................................................... 3-6
3-5. Calibration............................................................................................ 3-6
3-6. Calibrating the 5700A/5720A Series II to External Standards ............ 3-6
3-7. Calibration Requirements ................................................................ 3-7
3-8. When to Adjust the Calibrator’s Uncertainty Specifications .......... 3-7
3-9. Calibration Procedure ...................................................................... 3-8
3-10. Range Calibration................................................................................. 3-14
3-11. Calibrating the Wideband AC Module (Option 5700A-03)................. 3-17
3-12. Performing a Calibration Check........................................................... 3-20
3-13. Full Verification................................................................................... 3-22
3-14. Required Equipment for All Tests................................................... 3-23
3-15. Warm-up Procedure for All Verification Tests ............................... 3-23
3-16. Resistance Verification Test............................................................ 3-25
3-17. Two-Wire Compensation Verification ............................................ 3-27
3-18. DC Voltage Verification Test.......................................................... 3-28
3-19. DC Voltage One-Tenth Scale Linearity Test................................... 3-29
3-20. Direct Current Accuracy Verification Test...................................... 3-30
3-21. AC Voltage Frequency Accuracy Test ............................................ 3-31
3-22. Output Level Tests For AC V Ranges ............................................. 3-31
3-23. AC Current Test, 22 mA to 11A Ranges ......................................... 3-33
3-24. AC Current Test, 2 mA and 200 µA Ranges ................................... 3-36
3-25. Rationale for Using Metal-Film Resistors to Measure AC Current 3-37
3-26. Wideband Frequency Accuracy Test............................................... 3-38
3-27. Wideband AC Voltage Module Output Verification....................... 3-38
3-28. Wideband Output Accuracy at 1 kHz Test........................................... 3-39
3-29. Wideband Output Flatness Test ........................................................... 3-40