Fluke 734A Manuals

Manuals and User Guides for Fluke 734A. We have 1 Fluke 734A manual available for free PDF download: Instruction Manual

Fluke 734A Instruction Manual (124 pages)

DC Reference Standard

Brand: Fluke | Category: Test Equipment | Size: 1 MB

Limited Warranty and Limitation of Liability
2
Declaration of the Manufacturer or Importer
3
Bescheinigung des Herstellers/Importeurs
3
Electromagnetic Compatibility
3
Safety Summary
5
Do Not Operate in Explosive Atmospheres
6
Do Not Attempt to Operate if Protection May be Impaired
6
Table of Contents
7
List of Tables
11
Introduction and Specifications
15
Introduction
17
Hardware Options
18
734A-7001 Instrument Enclosure
18
723B-7001 External Battery and Charger
18
Accessory Y734 Rack Mount Kit
18
Calibration Options
19
000 Special Calibration
19
100 Special Calibration and Drift Characterization
19
200 On-Site Calibration
19
Warranty Information
19
Service and Reshipment Information
20
Specifications
20
Output Voltages
20
Load Regulation
22
Installation
27
Introduction
29
Unpacking and Inspection
29
Selecting Line Voltage and Accessing the Fuse
30
Connecting to Line Power
31
Installing a 732B or 732B-7001 in a 734A-7001 Instrument Enclosure
31
Operation
35
Introduction
37
Summary of the Features
37
DC Standard Front Panel
37
DC Standard Rear Panel
37
7001 External Battery and Charger Front Panel
37
7001 External Battery and Charger Rear Panel
37
7001 Instrument Enclosure Front Panel
37
7001 Instrument Enclosure Rear Panel
37
Operation
43
Powering the Standard
45
Setting the BAT Switch
46
Charging the Internal Battery
46
Powering the Standard from a 732B-7001
46
Replacing the Internal Battery
47
Connecting Cables to the Output
48
Connecting the GUARD and GROUND
49
Monitoring Oven Temperature
50
Resetting the in CAL Indicator
50
Monitoring the in CAL Indicator State Remotely
50
Monitoring Long-Term Stability
51
Minimizing Error Sources
52
Mechanically Induced Errors
52
Thermal Emfs
52
Output Cable Loading
52
Theory of Operation
55
Introduction
57
Overall Functional Description
57
Model 734A Functional Description
59
Model 732B-7001 External Battery/Power Supply
59
Circuit Description
59
Reference Circuit
59
Generating the 1.018V Output
61
Biasing the Refamp for Low Temperature Coefficient
61
Sense Current Cancellation
61
Buffering of the 10V Output
62
Oven Temperature Controller A4
62
A1 Front Panel Assembly
62
Power Supplies and Battery Charger Assembly A5
63
Overvoltage Protection Circuitry
63
Raw DC Power Supply
65
Battery Charger
65
+11 . 5V Preregulator
65
+11 . 5V Low-Dropout Regulator
66
-6V Power Supply
66
IN CAL Logic
66
LED Drive Logic
66
AC Power to Battery Power Switching Circuitry
67
Battery Circuit
67
Rear Panel Connections
67
Low-Battery Shutdown Circuitry
68
Maintenance
71
Introduction
73
Service Information
73
Replacing the Fuse
73
Cleaning the External Surfaces
73
Calibration
73
Preparing for Calibration
74
Preparing for 10V Calibration with Adjustment
74
Calibration with Adjustment
76
Maintenance Calibration
77
Calibration Without Adjustment
78
Access Procedures
79
Initial Access Procedure
79
Replacing the Battery
79
Replacing the Oven Assembly
83
Accessing the A5 Battery Charger
83
Removing the Power Transformer Assembly
83
Troubleshooting
84
Reference Performance Test
84
Troubleshooting the A5 Battery Charger Assembly
84
Transformer/Rectifier/Filter
85
Battery Charger
85
+11 . 5V DC Preregulator
85
+11 . 5V DC Regulator
86
-6V DC Supply
86
IN CAL LED Logic
86
List of Replaceable Parts
87
Introduction
89
How to Obtain Parts
89
Manual Status Information
89
Newer Instruments
89
Service Centers
90
Parts
90
Schematic Diagrams
109

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Fluke 734A Manuals

Fluke 734A Instruction Manual (124 pages)

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