Equipment information

Fluke 731B Voltage Source
Manufacturer
Fluke
Model 731B
Date 1974
Category: Measurement instruments
Group Voltage Source
Description DC Reference Standard
Information
                                    INTRODUCTION

The Model 73IB DC Reference Standard is an ultra-
stable dc power supply which, when standardized, is capable
of providing a variety of precision output voltages with
standard cell accuracy. The 73 IB will furnish basic dc
voltage outputs of 10V, IV, ΔΕ (000 to 999 ßV),
1.018 +ΔΕ, and 1.019+ΔΕ.

The desired voltage mode is selected using a front
panel function switch and the value of ΔΕ is adjustable
using a 10-turn linear potentiometer. The front panel ΔΕ
control includes a 3 digit turn counter to indicate the
selected value of ΔΕ, i.e., 000 to 999 μν. The counter is
equipped with a locking lever to prevent accidental changing
of a selected ΔΕ setting.

A front panel guard connection is provided for use in
reducing errors causedby common mode voltages. The guarded
internal circuitry is isolated from the chassis and earth
ground.

Power to operate the 73IB can be derived from either an
internal battery pack for field or portable use, or from the
ac power line for bench use. A front panel meter indicates
the relative charge level of the internal battery pack
during portable use. The AC line requirements are 115/230V
ac, 50 to 400 Hz.

The 73IB is supplied with non-marring feet for bench or
field use. It may also be conveniently mounted in a standard
19” equipment rack using one of the rack mounting accessory
kits.

These manuals are available for the above equipment:

Fluke -- 731B -- Service and User Manual
File name Fluke-7933-Manual-Page-1-Picture
Manual Type Service and User Manual
Pages 52
Size 1.57 Mbytes (1642361 Bytes)
Language english
Revision
Manual-ID/Number P/N 405050
Date October 1974
Quality Scanned document, all readable.
Upload date
MD5 3e64036407afdc6deb6f0a8b36e9e888
Downloads 115 since 12 June 2016
Information
1 INTRODUCTION AND
SPECIFICATIONS...........................................................................................1-1
1-1.
INTRODUCTION..................................................................................................................1-1
1-7.
SPECIFICATIONS.................................................................................................................1-2
2 OPERATING
INSTRUCTIONS..................................................................................................................2-1
2-1.
INTRODUCTION..................................................................................................................2-1
2-3. SHIPPING
INFORMATION................................................................................................2-1
2-6. INPUT
POWER........................................................................................................................2-1
2-9. RACK
INSTALLATION......................................................................................................2-2
2-11. OPERATING
FEATURES.................................................................................................2-2
2-13. OPERATING
NOTES............................................................................................................2-2
2-15. Guarded
Operation............................................................................................................2-2
2-18. Battery
Operation...........................................................................................................2-4
2-20. OPERATION
.......................................................................................................................24
2-21. Turn-On
Procedure...........................................................................................................2-4
2-23. Standard Cell
Transfer......................................................................................................2-4
2-25. Reference Voltage
Modes................................................................................................2-5
3 THEORY OF
OPERATION......................................................................................................................3-1
3-1.
INTRODUCTION.................................................................................................................3-1
3-3. OVERALL FUNCTIONAL
DESCRIPTION..................................................................3-1
3-5. BLOCK DIAGRAM
ANALYSIS...................................................................................3-1
3-6. General
.............................................................................................................................3-1
3-8. Charging
Circuit.................................................................................................................3-2
3-11. Reference
Supply...........................................................................................................3-2
3-14. Output
Divider.................................................................................................................3-2
4
MAINTENANCE.............................................................................................................................................4-1
4-1.
INTRODUCTION.................................................................................................................4-1
4-3. SERVICE
INFORMATION................................................................................................4-1
4-6. GENERAL
MAINTENANCE..........................................................................................4-2
4-7. Access
Information............................................................................................................4-2
4-9.
Cleaning............................................................................................................................4-2
4-11. Fuse
Replacement............................................................................................................4-2
4-13. Service
Tools.......................................................................................................................4-2
4-15. PERFORMANCE
TEST......................................................................................................4-2
4-17. Line
Regulation................................................................................................................4*2
4-18. Output Noise, DC to 1
Hz...............................................................................................4-2
4-19. Output Noise, 1 Hz to 1
MHz....................................................................................4-4
4-20. Common Mode Rejection
..........................................................................................4-4
4-21. Isolation
.............................................................................................................................4-5
4-22. Transfer
Accuracy............................................................................................................4-5
4-23.
CALIBRATION......................................................................................................................4-6
4-25. TROUBLESHOOTING
....................................................................................................4-7
5 LIST OF REPLACEABLE
PARTS...........................................................................................................5-1
TABLE OF
CONTENTS.....................................................................................................5-1
5-1.
INTRODUCTION.................................................................................................................5-2
5-4. HOW TO OBTAIN
PARTS...............................................................................................5-2
5-7. USE CODE EFFECTIVITY
LIST....................................................................................5-2
6 OPTIONS AND
ACCESSORIES...........................................................................................................6-1
6-1.
INTRODUCTION.................................................................................................................6-1
6-3. RACK MOUNTING KITS
...............................................................................................6-1
7 GENERAL
INFORMATION......................................................................................................................7-1
8 SCHEMATIC
DIAGRAMS.......................................................................................................................8-1
Fluke-7933-Manual-Page-1-Picture
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Fluke -- 731B -- Service and User Manual
File name Fluke-10164-Manual-Page-1-Picture
Manual Type Service and User Manual
Pages 49
Size 4.76 Mbytes (4989200 Bytes)
Language english
Revision
Manual-ID/Number 405050
Date 01 October 1974
Quality Scanned document, all readable.
Upload date
MD5 98d5f0ce14fd577604831fcd592e1532
Downloads 1 since 20 January 2018
Information
1	INTRODUCTION AND
SPECIFICATIONS..............................1-1

1-1. INTRODUCTION......................................1-1

1-7.	SPECIFICATIONS......................................1-2

2	OPERATING
INSTRUCTIONS......................................2-1

2-1.	INTRODUCTION......................................2-1

2-3. SHIPPING INFORMATION................................2-1

2-6. INPUT POWER........................................2-1

2-9. RACK INSTALLATION..................................2-2

2-11. OPERATING FEATURES................................2-2

2-13. OPERATING NOTES....................................2-2

2-15. Guarded Operation....................................2-2

2-18. Battery Operation....................................2-4

2-20. OPERATION ........................................24

2-21. Turn-On Procedure....................................24

2-23. Standard Cell Transfer..................................24

2-25.	Reference Voltage Modes................................2-5

3	THEORY OF OPERATION........................................3-1

3-1.	INTRODUCTION......................................3-1

3-3. OVERALL FUNCTIONAL DESCRIPTION......................3-1

3-5. BLOCK DIAGRAM ANALYSIS............................3-1

3-6.	General ..........................................3-1

3-8.	Charging Circuit......................................3-2

3-11. Reference Supply....................................3-2

3-14. Output Divider......................................3-2
4	MAINTENANCE..........................................4-1

4-1. INTRODUCTION ...................................4-1

4-3. SERVICE INFORMATION................................4-1

4-6. GENERAL MAINTENANCE..............................4-2

4-7.	Access Information....................................4-2

4-9. Cleaning.............................4-2

4-11. Fuse Replacement....................................4-2

4-13. Service Tools........................................4-2

4-15. PERFORMANCE TEST..................................4-2

4-17. Line Regulation......................................4-2

4-18. Output Noise, DC to 1
Hz................................4-2

4-19. Output Noise, 1 Hz to 1 MHz............................4-4

4-20. Common Mode Rejection ..............................4-4

4-21. Isolation..........................................4-5

4-22. Transfer Accuracy....................................4-5

4-23. CALIBRATION........................................4-6

4-25.	TROUBLESHOOTING..................................4-7

5	UST OF REPLACEABLE
PARTS....................................5-1

TABLE OF CONTENTS..................................5-1

5-1.	INTRODUCTION......................................5-2

5-4. HOW TO OBTAIN PARTS..........................5-2

5-7.	USE CODE EFFECTIVITY UST............................5-2

6	OPTIONS AND ACCESSORIES....................................6-1

6-1.	INTRODUCTION......................................6-1

6-3. RACK MOUNTING KITS ................................6-1

7	GENERAL INFORMATION........................................7-1

8	SCHEMATIC DIAGRAMS........................................8-1
Fluke-10164-Manual-Page-1-Picture
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