Fluke 5720A Calibration and Verification, Ohms Cal Assembly A9, Calibration Procedure

Contents (continued)

	2-169.	Ohms Main Assembly (A10)	2-109
	2-170.	Selection of Resistance Values	2-109
	2-171.	Ohms Main Assembly Support of Current Function Calibration	2-112
	2-172.	Ohms Digital Control	2-112
	2-173.	Ohms Cal Assembly (A9)	2-112
	2-174.	Ohms CAL Digital Control	2-112
	2-175.	1, 1.9, and Short Resistance	2-113
	2-176.	Two-Wire Ohmmeter Compensation Circuit	2-113
	2-180.	Ohms Calibration	2-115
	2-186.	Current/High Resolution Oscillator Assembly Overview (A7)	2-121
	2-187.	Current Section	2-122
	2-199.	High-Resolution Oscillator Section	2-128
	2-204.	Rear Panel Assembly (A21)	2-130
	2-205.	Rear Panel Power Supplies	2-131
	2-206.	Rear Panel Address Mapping	2-131
	2-207.	Clock Regeneration Circuit	2-132
	2-208.	IEEE-488 (GPIB) Interface	2-132
	2-209.	RS-232C Interface	2-132
	2-210.	Auxiliary Amplifier Interface	2-133
	2-211.	5725A Interface	2-133
	2-212.	Phase Lock In/Variable Phase out	2-133
	2-213.	Rear Panel Relay Control	2-134
	2-214.	Rear Panel CPU Interface	2-134
	2-215.	Wideband AC Module (Option -03)	2-135
	2-216.	Wideband Oscillator Assembly (A6)	2-135
	2-222.	Wideband Output Assembly (A5)	2-138
3	Calibration and Verification		3-1
	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

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