Equipment information

Fluke 731B Power supply
Manufacturer
Fluke
Model 731B
Date 1974
Category: Measurement instruments
Group Power supply
Description DC Reference Standard
Information
                                    1-1. INTRODUCTION
1-2. 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.
1-3. 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.
1-4. 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.
1-5. 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.
1*6. 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 95 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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