Fluke 8050A Цифровой универсальный измерительный прибор
Производитель:
Модель:
8050A
Дата:
1979
Категория:
Группа:
Описание:
portable bench- type digital multimeter

Информация

1-2. Your John Fluke Model 8050A is a portable bench- type Digital multimeter (DMM) with a 4-1 /2 digit liquid crystal display (LCD). The 8050A has all the following industry-standard features: » Voltage measurements from 10 μ to 1000V dcand 10 mV to 750V true-rms ac. • Current measurements from 10 nA to 2A dc and 10 μΑ to 2A true-rms ac. ® Resistance measurements from 10 mH to 20ΜΏ. The 8050A also has several special measurement features. These special features include the following: • Conductance measurements up to 100,000 Mil. • Voltage measurements in decibels, that can be referenced to 1 of 16 user selected reference impedances. ® Resistance ranges that supply enough voltage to turn on a PN junction to allow diodes and transistors to be tested. • The ability to store any input signal as an offset or relative reference value. • Automatic polarity indication and overrange indication. • Protection from overloads and protection from transients of up to 6 kV, 10 microseconds. • Dual-slope integration a/d conversion to ensure noise-free measurements. • Long term calibration stability (1 year). 1-3. The 8050A is warranted for a period of one year upon shipment of the instrument to the original purchaser. Conditions of the warranty are given at the front of this manual. The 8050A is typically powered from ac line voltages but may be powered by the optional rechargeable battery.

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Обслуживание и Руководство пользователя
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Обслуживание и Руководство пользователя
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1921

Информация

1 2 TITLE PAGE INTRODUCTION AND SPECIFICATIONS ... 1-1 l-l. INTRODUCTION . I-4. OPTIONS AND ACCESi I-5. SPECIFICATIONS ... 1-1 SORIES ... 1-1 ... 1-1 OPERATION ... 2-1 2-1. INTRODUCTION ... 2-1 2-3. SETTING UP YOUR INSTRUMENT ... 2-1 2-4. Unpacking ... 2-1 2-8. AC Line Voltage Requirements ... 2-1 2-10. Fuse Replacement ... 2-1 2-13. FRONT PANEL FEATURES ... 2-2 2-15. Display ... 2-2 2-18. SIGNAL INPUT LIMITS ... 2-2 2-20. OPERATING TECHNIQUES ... 2-3 2-22. AC/DC Voltage (V) ... 2-3 2-24. AC/DC Current (mA) ... 2-3 2-26. Resistance (Ω) ... 2-7 2-28. Conductance (S = IΩ) ... 2-7 2-30. Diode Test ... 2-7 2-32. Relative (RELATIVE) ... 2-7 2-36. Decibel (dB) ... 2-11 2-38. INITIAL CHECKOUT PROCEDURE ... 2-12 2-41. APPLICATIONS ... 2-12 2-43. DC Voltage Measurement ... , ... 2-12 2-51. Current Measurement ... 2-13 2-56. Resistance Measurement ... 2-13 2-62. Conductance Measurement ... 2-14 2-80. Relative Measurement ... 2-16 2-84. AC Voltage and Current Measurement ... 2-16 THEORY OF OPERATION ... 3-1 3-1. INTRODUCTION ... 3-1 3-3. FUNCTIONAL DESCRIPTION ... 3-1 3-5. CIRCUIT DESCRIPTION ... 3-1 TITLE PAGE 3-7. A/D Converter ... 3-1 3-18. Microcomputer ... 3-2 3-20. Signal Conditioning ... 3-6 3-31. True-RMS Converter ... 3-8 3-38. Touch-Hold Circuit ... 3-8 3-40, Voltage Protection ... 3-8 3-43. Current Protection ... 3-8 4 MAINTENANCE ... 4-1 4-1. INTRODUCTION ... 4-1 4-4. SERVICE INFORMATION ... 4-1 4-7. GENERAL INFORMATION ... 4-1 4-9. Interior Access ... 4-1 4-24. dB Reference Impedance Power-Up Setting ... 4-4 4-26. Cleaning ... 4-5 4-28. PERFORMANCE TESTS ... 4-5 4-30. Initial Procedures ... 4-5 4-32. Display Test ... 4-5 4-34. Linear Voltage Test ... * ... 4-6 4-36. dB Voltage Test ... 4-6 4-38. Current Test ... 4-7 4-40. Resistance and Conductance Tests ... 4-7 4-42. CALIBRATION ADJUSTMENTS ... 4-8 4-44. DC Calibration ... ... 4-8 4-46. AC Calibration ... ... 4-8 4-48. Jumper Selection ... 4-8 4-57. TROUBLESHOOTING ... 4-12 5 LIST OF REPLACEABLE PARTS ... 5-1 TABLE OF CONTENTS ... 5-1 5-1. INTRODUCTION ... 5-2 5-3. PARTS ORDERING INFORMATION ... 5-2 6 OPTIONS AND Accessories ... 6-1 TABLE OF CONTENTS ... 6-1 INTRODUCTION ... 6-2 ACCESSORIES ... 600-1 OPTIONS ... 601-1 7 SCHEMATIC DIAGRAMS ... 7-1 TABLE OF CONTENTS ... 7-1 APPENDIX A ... A-1

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Руководство пользователя, Схема Cirquit
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Руководство пользователя, Схема Cirquit
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Обслуживание и Руководство пользователя
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Обслуживание и Руководство пользователя
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530907
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Отсканированы документу, все читается.
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Информация

1 INTRODUCTION AND SPECIFICATIONS 1-1 1-1. INTRODUCTION 1-1 1-4. OPTIONS AND Accessories 1-1 1-5. SPECIFICATIONS ... 1-1 2 OPERATION ... 2-1 2-1. INTRODUCTION ... 2-1 2-3. SETTING UP YOUR INSTRUMENT ... 2-1 2-4. Unpacking ... 2-1 2-8. AC Line Voltage Requirements 2-1 2-10. Fuse Replacement 2-1 2-13. FRONT PANEL FEATURES 2-2 2-15. Display 2-2 2-18. SIGNAL INPUT LIMITS 2-2 2-20. OPERATING TECHNIQUES 2-3 2-22. AC/DC Voltage (V) 2-3 2-24. AC/ DC Current (mA) 2-3 2-26. Resistance (Ω) 2-7 2-28. Conductance (S = 1Ω) 2-7 2-30. Diode Test 2-7 2-32. Relative (RELATIVE) 2-7 2-36. Decibel (dB) 2-11 2-38. INITIAL CHECKOUT PROCEDURE ... 2-12 2-41. APPLICATIONS 2-12 2-43. DC Voltage Measurement 2-12 2-51. Current Measurement 2-13 2-56. Resistance Measurement 2-13 2-62. Conductance Measurement 2-14 2-80. Relative Measurement 2-16 2-84. AC Voltage and Current Measurement ... 2-16 3 THEORY OF OPERATION ... 3-1 3-1. INTRODUCTION ... 3-1 3-3. FUNCTIONAL DESCRIPTION 3-1 TITLE PAGE 3-7. A/D Converter ... 3-1 3-18. Microcomputer ... 3-2 3-20. Signal Conditioning ... 3-6 3-31. True-RMS Converter ... 3-8 3-38. Touch-Hold Circuit ... 3-8 3-40. Voltage Protection ... 3-8 3-43. Current Protection ... 3-8 4 MAINTENANCE ... 4-1 4-1. INTRODUCTION ... 4-1 4-4. SERVICE INFORMATION ... 4-1 4-7. GENERAL INFORMATION ... 4-1 4-9. Interior Access ... 4-1 4-24. dB Reference Impedance Power-Up Setting ... 4-4 4-26. Cleaning ... 4-5 4-28. PERFORMANCE TESTS ... 4-5 4-30. Initial Procedures ... 4-5 4-32. Display Test ... 4-5 4-34. Linear Voltage Test ... 4-6 4-36. dB Voltage Test ... 4-6 4-38. Current Test ... 4-7 4-40. Resistance and Conductance Tests ... 4-7 4-42. CALIBRATION ADJUSTMENTS ... 4-8 4-44. DC Calibration ... 4-8 4-46. AC Calibration ... 4-8 4-48. Jumper Selection ... 4-8 4-57. TROUBLESHOOTING ... 4-12 5 LIST OF REPLACEABLE PARTS ... 5-1 TABLE OF CONTENTS ... 5-1 5-1. INTRODUCTION ... 5-2 5-3. PARTS ORDERING INFORMATION ... 5-2 6 OPTIONS AND Accessories ... 6-1 TABLE OF CONTENTS ... 6-1 INTRODUCTION ... 6-2 ACCESSORIES ... 600-1 OPTIONS ... 601-1 7 SCHEMATIC DIAGRAMS ... 7-1 TABLE OF CONTENTS ... 7-1 APPENDIX A ... A-1

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