Fluke 52120A - Standalone Calibration Verification

Contents (continued)
iii
5 Calibration ............................................................................................ 5-1
Introduction ........................................................................................................ 5-3
Calibration Correction Factors ...................................................................... 5-3
Equipment Required ...................................................................................... 5-3
Initial Setup and Input Zero Adjustments ...................................................... 5-3
Calibration Verification – Standalone Mode ................................................. 5-5
Equipment Setup ....................................................................................... 5-7
2 Amp Range Verification ........................................................................ 5-7
20 Amp Range Verification ...................................................................... 5-9
120 Amp Range Verification .................................................................... 5-11
Current Input Burden Resistor Verification .............................................. 5-13
Amplitude Specification Limits, Pass/Fail Analysis ..................................... 5-13
Calibration Adjustment – Standalone Mode ................................................. 5-14
Equipment Set Up ..................................................................................... 5-14
How to Correct for Shunt Resistance Error .............................................. 5-16
Adjustment Process ................................................................................... 5-16
Adjustments Notes .................................................................................... 5-16
Adjustments .............................................................................................. 5-16
Calibration Verification – Closed-Loop with 6100A or 6105A .................... 5-22
Test Equipment ......................................................................................... 5-22
Power Line Frequency Confidence Check ................................................ 5-22
Phase Angle Accuracy Confidence Check ................................................ 5-23
Verify Amplitudes at DC and Higher Frequencies ................................... 5-23
Verify Phase Angles at Higher Frequencies ............................................. 5-26