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
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