Fluke 190 Series II, Service Manual, Page: 86 / 142

5-1
Chapter 5
Calibration Adjustment
Title Page
Introduction ............................................................................................ 5-3
General .................................................................................................. 5-4
Calibration Number and Date ............................................................ 5-4
General Instructions ........................................................................... 5-4
Equipment Required For Calibration .................................................. 5-5
Calibration Procedure Steps .................................................................. 5-5
How to Start the Calibration ................................................................... 5-6
Contrast Calibration Adjustment ............................................................ 5-7
Warming-Up and Pre-Calibration ........................................................... 5-9
Final Calibration For v11.10 and later .................................................... 5-10
Warming-Up 2, Warm-Up Final, and ADC Timing ............................. 5-11
Input A LF-HF Gain ............................................................................ 5-12
Input B LF-HF Gain ............................................................................ 5-14
Input C LF-HF Gain ............................................................................ 5-16
Input D LF-HF Gain ............................................................................ 5-18
Input AB Position ............................................................................... 5-20
Input AB LF-HF Gain and Position ..................................................... 5-20
Input Pos ABCD (AB) Calibration ...................................................... 5-22
Input ABCD (AB) Noise F FBW Calibration ....................................... 5-22
Input AB Volt Gain ............................................................................. 5-22
Multimeter Meter Zero ........................................................................ 5-24
Multimeter Volt Gain .......................................................................... 5-24
Multimeter Ohm Gain ......................................................................... 5-26
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