Geräte Informationen:

Fluke 8012 A Digital Multimeter
Hersteller:
Fluke
Modell: 8012 A
Datum: 1985
Kategorie: Messgeräte
Gruppe: Digital Multimeter
Beschreibung:
Informationen:
                                    The Multimeters are portable bench-type digital multimeters
(DMMs) with 3-1/2 digit liquid crystal displays (LCDs). The
Multimeters have the following industry-standard features:
• Voltage measurements from 100 μV to 1000V dc and 10 mV to
750V true-rms ac.
• Current measurements from 100 nA to 2 A dc and 10 μΑ to 2A
true-rms ac (up to 10A for the 8012A).
• Resistance measurements from 100 mH (1 mH for the 8012A)
to 20 ΜΩ.
The Multimeters also have the following special measurement
features:
• Conductance measurements up to 10,000 ΜΩ of equivalent
resistance.
• Resistance ranges that supply enough voltage to turn on a
PN junction for testing diodes and transistors.
indication.
Protection from overloads and transients up to 6 kV for 10
microseconds.
Dual-slope integration a/d conversion to ensure noise-free
measurements.
Long term calibration stability (1 year).
M. Your Multimeter 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.

Folgende Anleitungen sind für obiges Gerät verfügbar:

Fluke -- 8012 A -- Service- und Bedienungsanleitung
Dateiname: Fluke-7612-Manual-Page-1-Picture
Dokumenttyp: Service- und Bedienungsanleitung
Seitenanzahl: 93
Dateigröße: 7.44 Mbytes (7805720 Bytes)
Sprache: Englisch
Revision: 2
Dokument-ID/Nummer: 491944
Datum: Januar 1985
Qualität: Gescanntes Dokument, teilweise schwer oder teilweise nicht zu lesen.
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Informationen:
Instruction Manual

1 INTRODUCTION AND SPECIFICATIONS
...................................................................................................1-1
l-l. INTRODUCTION
.....................................................................................................................................................l-l
1-5. OPTIONS AND ACCESSORIES
.........................................................................................................................l-l
1-7. SPECIFICATIONS
...................................................................................................................................................l-l
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. LCD
DISPLAY...........................................................................................................................................................2-2
2-18. SIGNAL INPUT LIMITS
.......................................................................................................................................2-4
2-20. OPERATING TECHNIQUES
...............................................................................................................................2-4
2-22. AC/DC Voltage (V)
..............................................................................................................................................2-4
2-24. AC/DC Current (mA)
..........................................................................................................................................2-4
2-26. AC/DC Current (10A max, 8010A only)
.......................................................................................................2-4
2-28. Resistance (Ω)
.........................................................................................................................................................2-4
2-30. Low Ohms Resistance (LO RANGE Ω, 8012A only)
................................................................................2-4
2-32. Conductance (S=1H)
............................................................................................................................................2-7
2-34. Diode Test
................................................................................................................................................................2-7
2-36. INITIAL CHECKOUT PROCEDURE
.............................................................................................................2-7
2-39. APPLICATIONS
......................................................................................................................................................2-8
2-41. Circuit Loading Error (Voltage)
........................................................................................................................2-8
2-43. Burden Voltage Error (Current)
........................................................................................................................2-9
2-46. Test Lead Compensation (Resistance)
.............................................................................................................2-9
2-49. High Resistance Measurements (Conductance)
...........................................................................................2-10
2-51. Leakage Resistance Measurements
(Conductance)......................................................................................2-10
2-53. Diode Leakage Tests (Conductance)
...............................................................................................................2-10
2-55. Transistor Tester
....................................................................................................................................................2-12
2-65. True-RMS Measurements
..................................................................................................................................2-13
2-69. Waveform Comparison (RMS vs Averaging Meters)
................................................................................2-13
2-71. Waveform Crest
Factors......................................................................................................................................2-13
2-75. Combined AC and DC Signal Measurements
.............................................................................................2-15
2-77. Affects of Offset in AC Measurements
..........................................................................................................2-15
2-79. Bandwidth Limitations in AC Voltage Measurements
..............................................................................2-15
3 THEORY OF OPERATION
................................................................................................................................3-1
)
3-1. INTRODUCTION
......................................................................................................................................................3-1
3-3. FUNCTIONAL DESCRIPTION
............................................................................................................................3-1
3-6. CIRCUIT DESCRIPTIONS
....................................................................................................................................3-1
3-8. Digital Voltmeter
......................................................................................................................................................3-1
3-27. Input Signal Conditioners
....................................................................................................................................3-4
3-44. Meter Protection Circuits
......................................................................................................................................3-6
3-54. Power
Supply.............................................................................................................................................................3-7
3-57. Touch and Hold Circuit
..........................................................................................................................................3-7
4
MAINTENANCE...................................................................................................................................................4-1
4-1. INTRODUCTION
.......................................................................................................................................................4-1
4-3. SERVICE INFORMATION
.....................................................................................................................................4-1
4-7. GENERAL INFORMATION
...................................................................................................................................4-1
4-8. Interior Access
...........................................................................................................................................................4-1
4-19.
Cleaning.........................................................................................................................................................................4-4
4-21. Special Test Devices
................................................................................................................................................4-4
4-27. PERFORMANCE
TEST............................................................................................................................................4-5
4-30. Display Test
................................................................................................................................................................4-5
4-32. Resistance/Conductance Test
...............................................................................................................................4-5
4-34. LO RANGE Π Test (8012A only)
......................................................................................................................4-6
4-36. DC Voltage Test
.......................................................................................................................................................4-6
4-38. RMS Converter Offset Test
...................................................................................................................................4-6
4-40. AC Voltage Test
.......................................................................................................................................................4-6
4-42. DC Current Test
.......................................................................................................................................................4-6
4-44. AC Current Test
......................................................................................................................................................4-7
4-46. 10A Current Test (8010A only)
.............................................................................................................................4-7
4-48. CALIBRATION PROCEDURE
.............................................................................................................................4-8
4-50. Power Supply Check
................................................................................................................................................4-8
4-52. DC Calibration
Adjustment...................................................................................................................................4-8
4-54. RMS Converter DC Offset
Adjustment.............................................................................................................4-9
4-56. AC Calibration Adjustment
...................................................................................................................................4-9
4-58. LO RANGE Π Calibration Adjustment (8012A only)
................................................................................4-9
4-60. TROUBLESHOOTING
..............................................................................................................................................4-10
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
Fluke-7612-Manual-Page-1-Picture
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