Fluke 8808A User Manual - Page 9

vii

List of Figures

2-1.

Replacing the Line Power Fuse

..............................................................................

2-5

2-2.

Replacing the Current-Input Fuses

.........................................................................

2-6

2-3.

Line-Power Cord Types Available from Fluke

......................................................

2-7

2-4.

Bail Adjustment and Removal

...............................................................................

2-8

2-5.

Boot removal

..........................................................................................................

2-9

3-1.

Front Panel

.............................................................................................................

3-4

3-2.

Display Annunciators and Indicators

.....................................................................

3-6

3-3.

Rear Panel

..............................................................................................................

3-8

3-4.

Voltage and Frequency Measurement

....................................................................

3-10

3-5.

2-Wire Resistance Measurement

............................................................................

3-11

3-6.

4-Wire Resistance Measurement

............................................................................

3-12

3-7.

Input Connections for 4-wire ohms using 2x4 wire leads

......................................

3-13

3-8.

Current Measurement <200 mA

.............................................................................

3-14

3-9.

Current Measurement 200 mA to 10 A

..................................................................

3-14

3-10.

Continuity Test

.......................................................................................................

3-15

3-11. Diode Test

..............................................................................................................

3-16

3-12. External Trigger Circuit

.........................................................................................

3-17

4-1.

External Trigger Using Pin 9 of RS-232 Interface

.................................................

4-10

4-2.

Overview of Status Data Structures

.......................................................................

4-12

4-3.

Event Status and Event Status Enable Registers

....................................................

4-13

4-4.

Sample Program for RS-232 Computer Interface

..................................................

4-28

A-1.

Example of Dual Display Showing Volts AC and Frequency

...............................

A-2

A-2.

DC Voltage and DC Current Measurement on Input Signal

..................................

A-4

A-3.

Shunt Method of Low-Level Current Measurement

..............................................

A-8

A-4.

Zero Burden Voltage Low-Level Current Measurement

.......................................

A-8

B-1.

2X4 Wire Test Leads

.............................................................................................

B-2

Section	Page
8808A Users Manual	1
Warranty	2
Table of Contents	3
List of Tables	7
List of Figures	9
1. Introduction and Specifications	11
Introduction	13
Manual Set	13
About this Manual	14
Safety Information	14
General Safety Summary	14
Symbols	16
Options and Accessories	17
General Specifications	18
Voltage	18
Dimensions	18
Display	18
Environment	18
Safety	18
EMC	18
Triggering	18
Math Functions	18
Electrical	19
Remote Interfaces	19
Warranty	19
Electrical Specifications	19
DC Voltage Specifications	19
AC Voltage Specifications	20
Resistance	21
DC Current	21
AC Current	22
Frequency	23
Continuity	23
Diode Test	23
2. Preparing the Meter for Operation	25
Introduction	27
Unpacking and Inspecting the Meter	27
Contacting Fluke	27
Storing and Shipping the Meter	27
Power Considerations	27
Selecting the Line Voltage	28
Replacing the Fuses	28
Line-Power Fuse	28
Current-Input Fuses	29
Connecting to Line Power	31
Turning Power On	32
Adjusting the Bail	32
Installing the Meter into an Equipment Rack	32
Cleaning the Meter	33
Fluke 45 Emulation	33
Illuminating All Display Segments	34
3. Operating the Meter from the Front Panel	35
Introduction	37
Dual Display	40
Primary Display	40
Secondary Display	40
Rear Panel	42
Adjusting Meter Range	42
Selecting a Measurement Rate	43
Selecting a Measurement Function	43
Measuring Voltage	44
Measuring Frequency	44
Frequency Ranging	45
Measuring Resistance	45
2-Wire Resistance Measurement	45
4-Wire Resistance Measurement	46
Measuring Current	47
Automatic Input Terminal Detection	48
Diode / Continuity Testing	49
Making a Triggered Measurement	50
Setting the Trigger Mode	50
Connecting to an External Trigger	50
Selecting a Function Modifier	51
Relative Readings Modifier (REL)	52
Decibels and Auto Power Modifier	52
Touch Hold Function (HOLD)	53
Minimum / Maximum Modifier (MIN MAX)	54
Using the Function Modifiers in Combination	55
Second Level Operations (Using the SHIFT Button)	55
Compare Function (COMP)	56
Setting the Compare Range	56
Using the Compare Function	56
List and Number Editors	56
Using the List Editor	57
Using the Number Editor	58
Function Keys S1 - S6	58
Power-Up Configuration	59
Calibration	59
4. Operating the Meter Using the Computer Interface	61
Introduction	63
Local and Remote Operations	63
Computer Interfaces	63
Preparing the Meter for Operations via the RS-232 Interface	63
Setting Communication Parameters (RS-232)	63
RS-232 Print-Only Mode	64
Cabling the Meter to a Host or Printer (RS-232)	65
Character Echoing and Deletion	66
Device Clear Using ^C (CNTRL C)	66
RS-232 Prompts	66
Getting Started with an Installation Test	66
Installation Test for RS-232 Operation	66
If Test Fails	67
How the Meter Processes Input	67
Input Strings	67
Input Terminators	67
Sending Numeric Values to the Meter	68
Sending Command Strings to the Meter	68
How the Meter Processes Output	68
Triggering Output	69
External Triggering from the Front Panel	69
Setting the Trigger Type Configuration	70
External Trigger via the Computer Interface	70
Status Registers	71
Event Status and Event Status Enable Registers	72
Status Byte Register	74
Reading the Status Byte Register	75
Computer Interface Command Set	75
Common Commands	76
Function Commands and Queries	77
Function Modifier Commands and Queries	79
Range and Measurement Rate Commands and Queries	81
Measurement Queries	83
Compare Commands and Queries	84
Trigger Configuration Commands	84
Miscellaneous Commands and Queries	85
RS-232 Remote / Local Configurations	85
RS-232 Save / Recall System Configurations	86
Sample Program Using the RS-232 Computer Interface	87
Appendices	89
A. Applications	91

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