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87 V/AN
Fluke 87 V/AN Manuals
Manuals and User Guides for Fluke 87 V/AN. We have
1
Fluke 87 V/AN manual available for free PDF download: Service Manual
Fluke 87 V/AN Service Manual (50 pages)
Brand:
Fluke
| Category:
Multimeter
| Size: 1 MB
Table of Contents
Table of Contents
3
Introduction
9
Contacting Fluke
9
Unpacking the Meter
10
Inspection
10
Inspection Interval
10
Preparations for Use
10
Precautions and Safety Information
10
Electrical Symbols
12
Specifications
13
General Specifications
13
Detailed Specifications
13
Theory of Operation
17
Functional Block Diagram
17
Power Supply and Voltage Reference
18
Function Selection and Overload Protection
19
Analog Signal Conditioning
21
Vac
21
VDC
22
MVDC
22
Temperature
22
Ohms below the 6 MΩ Range
22
Ohms in the 6 MΩ & 50 MΩ Range and Siemens in the 60 Ns Range
23
Continuity in All Ohms and the Siemens Ranges
23
Capacitance
23
Diode Test
23
Ma, Μa and AAC
23
Ma, Μa and ADC
24
Active Filter
24
800 Hz Low Pass Filter
24
RMS to DC Converter
24
Analog to Digital Converter
25
Secondary Analog Circuits
25
Keypad
25
Microprocessor & Support Circuits
26
Lcd
26
Backlight
26
Beeper
26
Troubleshooting
27
Restoration Actions
27
Basic Maintenance
27
Cleaning the Meter
27
Opening the Meter Case
28
Accessing the PCA and Replacing the LCD
29
Reassembling the Meter Case
30
Replacing the Battery
30
Testing Fuses and Current Circuitry
30
Replacing the Fuses
31
Required Equipment
32
Performance Tests
32
Basic Operability Tests
33
Testing the Fuses
33
Testing the Display
33
Testing the Pushbuttons
35
Testing Meter Accuracy
35
Calibration Adjustment
37
Calibration Adjustment Counter
37
Calibration Adjustment Password
37
Changing the Password
37
Restoring the Default Password
38
Meter Buttons Used in the Calibration Steps
39
Calibration Adjustment Procedure
39
Service and Parts
41
Schematic Diagrams
46
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