Fluke 124B/S Service Manual - Page 4

Fluke 123/124/125 Service Manual Performance Verification 3-1 3.1 Introduction...3-3 3.2 Equipment Required For Verification 3-3 3.3 How To Verify 3-4 3.4 Display and Backlight Test 3-4 3.5 Input A and Input B Tests 3-5 3.5.1 Input A and B Base Line Jump Test 3-6 3.5.2 Input A Trigger Sensitivity Test 3-8 3.5.3 Input A Frequency Response Upper Transition Point Test 3-9 3.5.4 Input A Frequency Measurement Accuracy Test 3-9 3.5.5 Input B Frequency Measurement Accuracy Test 3-10 3.5.6 Input B Frequency Response Upper Transition Point Test 3-11 3.5.7 Input B Trigger Sensitivity Test 3-12 3.5.8 Input A and B Trigger Level and Trigger Slope Test 3-13 3.5.9 Input A and B DC Voltage Accuracy Test 3-16 3.5.10 Input A and B AC Voltage Accuracy Test 3-18 3.5.11 Input A and B AC Input Coupling Test 3-19 3.5.12 Input A and B Volts Peak Measurements Test 3-20 3.5.13 Input A and B Phase Measurements Test 3-21 3.5.14 Harmonics (Fluke 125 3-21 3.5.15 Input A and B High Voltage AC/DC Accuracy Test 3-22 3.5.16 Resistance Measurements Test 3-24 3.5.17 Continuity Function Test 3-25 3.5.18 Diode Test Function Test 3-26 3.5.19 Capacitance Measurements Test 3-26 3.5.20 Video Trigger Test 3-27 Calibration Adjustment 4-1 4.1 General...4-3 4.1.1 Introduction 4-3 4.1.2 Calibration number and date 4-3 4.1.3 General Instructions 4-3 4.2 Equipment Required For Calibration 4-4 4.3 Starting Calibration Adjustment 4-4 4.4 Contrast Calibration Adjustment 4-6 4.5 Warming Up & Pre-Calibration 4-7 4.6 Final Calibration 4-7 4.6.1 HF Gain Input A&B 4-7 4.6.2 Delta T Gain, Trigger Delay Time & Pulse Adjust Input A 4-9 4.6.3 Pulse Adjust Input B 4-10 4.6.4 Gain DMM (Gain Volt 4-10 4.6.5 Volt Zero...4-12 4.6.6 Zero Ohm...4-12 4.6.7 Gain Ohm...4-13 4.6.8 Capacitance Gain Low and High 4-14 4.6.9 Capacitance Clamp & Zero 4-14 4.6.10 Capacitance Gain 4-15 4.7 Save Calibration Data and Exit 4-15 ii