Fluke 8808A Use and care manual

October 2008
© 2008 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
8808A
Digital Multimeter
Calibration Manual

i
Table of Contents
Chapter Title Page
1 Introduction and Specifications......................................................... 1-1
Introduction........................................................................................................ 1-3
Safety Information ............................................................................................. 1-3
Symbols ......................................................................................................... 1-4
General Safety Summary............................................................................... 1-4
Description of IEC 61010 Measurement Categories ......................................... 1-6
Manual Set ......................................................................................................... 1-7
About This Manual ............................................................................................ 1-7
Operating Instructions........................................................................................ 1-8
Accessories ........................................................................................................ 1-8
General Specifications ....................................................................................... 1-9
Voltage .......................................................................................................... 1-9
Dimensions.................................................................................................... 1-9
Display........................................................................................................... 1-9
Environment .................................................................................................. 1-9
Safety............................................................................................................. 1-9
EMC .............................................................................................................. 1-9
Triggering...................................................................................................... 1-9
Math Functions.............................................................................................. 1-9
Electrical........................................................................................................ 1-9
Remote Interfaces.......................................................................................... 1-10
Warranty........................................................................................................ 1-10
Electrical Specifications .................................................................................... 1-10
DC Voltage Specifications ............................................................................ 1-10
AC Voltage Specifications ............................................................................ 1-10
Resistance...................................................................................................... 1-12
DC Current .................................................................................................... 1-12
AC Current .................................................................................................... 1-13
Frequency ...................................................................................................... 1-14
Continuity...................................................................................................... 1-14
Diode Test ..................................................................................................... 1-14
2 General Maintenance .......................................................................... 2-1
Introduction........................................................................................................ 2-3

8808A
Calibration Manual
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General Maintenance Information ..................................................................... 2-3
Required Equipment...................................................................................... 2-3
Static Safe Handling ...................................................................................... 2-3
Cleaning............................................................................................................. 2-4
Storing and Shipping the Meter ......................................................................... 2-4
Power Considerations ........................................................................................ 2-4
Selecting the Line Voltage ............................................................................ 2-4
Replacing the Fuses....................................................................................... 2-5
Line-Power Fuse ....................................................................................... 2-5
Current-Input Fuses................................................................................... 2-6
If the Meter Does Not Turn On.......................................................................... 2-7
Display Tests...................................................................................................... 2-7
3 Performance Verification and Calibration......................................... 3-1
Introduction........................................................................................................ 3-3
Required Equipment .......................................................................................... 3-3
Direct Voltage Verification................................................................................ 3-4
Alternating Voltage Verification ....................................................................... 3-5
4-Wire Ohms Verification ................................................................................. 3-6
2-Wire Ohms Verification ................................................................................. 3-7
Direct Current Verification ................................................................................ 3-8
Alternate Current Verification ........................................................................... 3-10
Frequency Verification ...................................................................................... 3-11
Adjustment (Calibration) ................................................................................... 3-11
Equipment for Calibration............................................................................. 3-11
Adjustment Process ....................................................................................... 3-11
Front Panel Adjustments ............................................................................... 3-11
RS-232 Calibration (Manual) ........................................................................ 3-16
RS-232 Calibration (Automatic) ................................................................... 3-17
Calibration Points...................................................................................... 3-17
4 List of Replaceable Parts.................................................................... 4-1
Introduction........................................................................................................ 4-3
How to Obtain Parts........................................................................................... 4-3
How to Contact Fluke ........................................................................................ 4-3
Parts Lists........................................................................................................... 4-4

iii
List of Tables
Table Title Page
1-1. Safety and Electrical Symbols................................................................................ 1-4
1-2. Accessories............................................................................................................. 1-8
2-1. Line Voltage to Fuse Rating................................................................................... 2-5
3-1. Required Test Equipment....................................................................................... 3-3
3-2. Direct Voltage Verification Steps .......................................................................... 3-4
3-3. Alternating Voltage Verification Steps .................................................................. 3-5
3-4. 4-Wire Ohms Verification Steps ............................................................................ 3-6
3-5. 2-Wire Ohms Verification Steps ............................................................................ 3-7
3-6. Direct Current Verification Steps........................................................................... 3-9
3-7. Alternating Current Verification Steps .................................................................. 3-10
3-8. Frequency Verification Steps ................................................................................. 3-11
3-9. Adjustment Steps ................................................................................................... 3-12
4-1. Front-Panel Assembly............................................................................................ 4-4
4-2. Chassis Assembly................................................................................................... 4-6

8808A
Calibration Manual
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v
List of Figures
Figure Title Page
1-1. IEC 61010 Measurement Category (CAT) Levels................................................. 1-6
2-1. Replacing the Line Power Fuse.............................................................................. 2-5
2-2. Replacing the Current-Input Fuses......................................................................... 2-7
2-3. Display Elements ................................................................................................... 2-8
3-1. Direct and Alternating Voltage Verification Test Setup ........................................ 3-4
3-2. 4-Wire Ohms Test Setup........................................................................................ 3-6
3-3. 2-Wire Ohms Test Setup........................................................................................ 3-7
3-4. Less than 2 Amps Direct and Alternating Current Test Setup ............................... 3-8
3-5. 2 Amps and Greater Direct and Alternating Current Test Setup............................ 3-9
4-1. Front-Panel Assembly............................................................................................ 4-5
4-2. Chassis Assembly................................................................................................... 4-7

8808A
Calibration Manual
vi

1-1
Chapter 1
Introduction and Specifications
Title Page
Introduction.......................................................................................................... 1-3
Safety Information ............................................................................................... 1-3
Symbols ........................................................................................................... 1-4
General Safety Summary................................................................................. 1-4
Description of IEC 61010 Measurement Categories ........................................... 1-6
Manual Set ........................................................................................................... 1-7
About This Manual .............................................................................................. 1-7
Operating Instructions.......................................................................................... 1-8
Accessories .......................................................................................................... 1-8
General Specifications ......................................................................................... 1-9
Voltage ............................................................................................................ 1-9
Dimensions...................................................................................................... 1-9
Display............................................................................................................. 1-9
Environment .................................................................................................... 1-9
Safety............................................................................................................... 1-9
EMC ................................................................................................................ 1-9
Triggering........................................................................................................ 1-9
Math Functions................................................................................................ 1-9
Electrical.......................................................................................................... 1-9
Remote Interfaces............................................................................................ 1-9
Warranty.......................................................................................................... 1-10
Electrical Specifications ...................................................................................... 1-10
DC Voltage Specifications .............................................................................. 1-10
AC Voltage Specifications .............................................................................. 1-10
Resistance........................................................................................................ 1-12
DC Current ...................................................................................................... 1-12
AC Current ...................................................................................................... 1-13
Frequency ........................................................................................................ 1-14
Continuity........................................................................................................ 1-14
Diode Test ....................................................................................................... 1-14

8808A
Calibration Manual
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