Geräte Informationen:

Fluke 8012A Digital Multimeter
Hersteller:
Fluke
Modell: 8012A
Datum: 1978
Kategorie: Messgeräte
Gruppe: Digital Multimeter
Beschreibung:
Informationen:
                                    1-1. INTRODUCTION	• Automatic polarity indication and overrange
1-2. This manual contains complete operating and maintenance
instructions for the Fluke Models 8010A and 8012A Digital
Multimeters. The information presented in this manual
reflects both instruments except where indicated by a
particular model number. The term Multimeter is used
throughout this manual to indicate both the 8010A and the 8012A.

1-3. 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 ¡jlV to 1000V dc and 10 mV
to 750V true-rms ac.

•	Current measurements from 100 nA to 2 A dc and 10 IjlA to
2A true-rms ac (up to 10A for the 8012A).

•	Resistance measurements from 100 mil (1 mil for the 8012A)
to 20 Mil.

The Multimeters also have the following special measurement
features:

•	Conductance measurements up to 10,000 Mil 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.
1-5. OPTIONS and ACCESSORIES

1-6. The use of your Multimeter can be enhanced by the
options and accessories available for these instruments. The
options and accessories are listed in Table 1-1. The
Multimeters can be ordered with the Option 8010A-01 or
8012A-01 Rechargeable Battery. Detailed information on
options and accessories is contained in Section 6 of this
manual.

Folgende Anleitungen sind hier verfügbar:

Fluke -- 8012A -- Service- und Bedienungsanleitung
Dateiname: Fluke-6572-Manual-Page-1-Picture
Dokumenttyp: Service- und Bedienungsanleitung
Seitenanzahl: 84
Dateigröße: 7.09 Mbytes (7438072 Bytes)
Sprache: Englisch
Revision: 2
Dokument-ID/Nummer: P/N 491944
Datum: Januar 1985
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: a8509aee0f0b894dfef40ec4c9f6d908
Downloads: 427 seit dem 07 März 2015
Informationen:
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 (il)
........................................................................................................................................2-4

2-30. Low Ohms Resistance (LO RANGE H, 8012A only)
......................................................................2-4

2-32. Conductance (S=in)
............................................................................................................................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 H 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 H 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


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Fluke -- 8012A -- Service- und Bedienungsanleitung
Dateiname: Fluke-7721-Manual-Page-1-Picture
Dokumenttyp: Service- und Bedienungsanleitung
Seitenanzahl: 73
Dateigröße: 3.55 Mbytes (3724470 Bytes)
Sprache: Englisch
Revision: 2
Dokument-ID/Nummer: 491944
Datum: Januar 1985
Qualität: Gescanntes Dokument, teilweise schwer oder teilweise nicht zu lesen.
Upload Datum:
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Downloads: 91 seit dem 13 Februar 2016
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