Fluke 5700A Series II Service Manual

5700A/5720A Series II
Service Manual
ii
1-34. Wideband AC Voltage (Option 5700-03) Specifications................. 1-41
1-35. Auxiliary Amplifier Specifications .................................................. 1-42
2 Theory of Operation ............................................................................ 2-1
2-1. Introduction........................................................................................... 2-2
2-2. Calibrator Overview ............................................................................. 2-2
2-3. Internal References........................................................................... 2-2
2-4. Hybrid Reference Amplifiers....................................................... 2-2
2-5. Fluke Thermal Sensor (FTS)........................................................ 2-2
2-6. Digital-to-Analog Converter (DAC). ........................................... 2-3
2-7. Digital Section Overview...................................................................... 2-3
2-8. Analog Section Overview..................................................................... 2-3
2-9. Functional Description Presented by Output Function......................... 2-5
2-10. DC Voltage Functional Description ................................................. 2-6
2-11. AC Voltage Functional Description ................................................. 2-9
2-12. Wideband AC V Functional Description (Option -03) .................... 2-10
2-13. DC Current Functional Description.................................................. 2-10
2-14. AC Current Functional Description.................................................. 2-10
2-15. Ohms Functional Description........................................................... 2-11
3 Calibration and Verification................................................................ 3-1
3-1. Introduction........................................................................................... 3-3
3-2. Calibration ............................................................................................ 3-4
3-3. Calibrating the 5700A/5720A Series II to External Standards............. 3-4
3-4. Calibration Requirements................................................................. 3-4
3-5. When to Adjust the Calibrator’s Uncertainty Specifications ........... 3-5
3-6. Calibration Procedure....................................................................... 3-6
3-7. Range Calibration ................................................................................. 3-12
3-8. Calibrating the Wideband AC Module (Option 5700A-03) ................. 3-15
3-9. Performing a Calibration Check ........................................................... 3-18
3-10. Full Verification.................................................................................... 3-20
3-11. Required Equipment for All Tests.................................................... 3-21
3-12. Warm-up Procedure for All Verification Tests ................................ 3-21
3-13. Resistance Verification Test............................................................. 3-23
3-14. Two-Wire Compensation Verification ............................................. 3-25
3-15. DC Voltage Verification Test........................................................... 3-26
3-16. DC Voltage One-Tenth Scale Linearity Test ................................... 3-27
3-17. Direct Current Accuracy Verification Test ...................................... 3-28
3-18. AC Voltage Frequency Accuracy Test............................................. 3-29
3-19. Output Level Tests For AC V Ranges.............................................. 3-29
3-20. AC Current Test, 22 mA to 11A Ranges.......................................... 3-31
3-21. AC Current Test, 2 mA and 200 μA Ranges.................................... 3-34
3-22. Rationale for Using Metal-Film Resistors to Measure AC Current . 3-35
3-23. Wideband Frequency Accuracy Test................................................ 3-36
3-24. Wideband AC Voltage Module Output Verification........................ 3-36
3-25. Wideband Output Accuracy at 1 kHz Test ........................................... 3-37
3-26. Wideband Output Flatness Test............................................................ 3-38
3-27. Wideband Flatness Calibration Procedure ....................................... 3-39
3-28. Optional Tests....................................................................................... 3-40
3-29. DC Voltage Load Regulation Test ................................................... 3-40
3-30. DC Voltage Linearity Test ............................................................... 3-41
3-31. DC Voltage Output Noise (10 Hz to 10 kHz) Test........................... 3-41
3-32. DC Voltage Output Noise (0.1 to 10 Hz) Test ................................. 3-43

Fluke 5700A Series II Specifications

General

Type	Multifunction Calibrator
Operating Temperature	0 °C to 50 °C
Storage Temperature	-20 °C to 70 °C
Voltage Range	0 to 1100 V
DC Voltage Range	10 μV to 1100 V
Frequency Range	1 MHz
Humidity	non-condensing
Power Requirements	100 V to 240 V