Valhalla Scientific Inc. 2724A Ander
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Model:
2724A
Datum:
Categorie:
Groep:
Omschrijving:
PROGRAMMABLE RESISTANCE STANDARD
Handleidingen type:
Service-en gebruikershandleiding
Pagina’s:
110
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3.94 Mbytes (4126306 Bytes)
Taal:
english
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Gescand document alle leesbaar.
Upload datum:
2017 04 14
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b57f80ff4b0c1c56f3ca4604950c39de
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794
Informatie
SECTION I: UNPACKING AND INSTALLATION
Introduction
Inspection
Line Voltage/Fuse Selection
Bench Use
Rack Mounting
Safety Precautions
SECTION II: SPECIFICATIONS
General
2724A Active Slow-Mode Specifications
2724A Active Fast-Mode Specifications
2724A CPR Mode Specifications (Slow or Fast)
Miscellaneous Specifications
Environmental and Physical Specifications
SECTION III: OPTIONAL EQUIPMENT
3-1
Standard Accessories
3-2
Available Options
SECTION IV: FRONT PANEL CONTROLS
General
POWER Section
STEP CONTROL Section
Display Window
IEEE-488 Indicator
LOW CURRENT Indicator
Standard Keypad
Special Function Keys
OUTPUT Terminals
General
REAR OUTPUT Terminals
Calibration Keyswitch
IEEE-488 CONNECTOR
Fuseholder
Line Voltage Selector
AC Line Receptacle
SECTION VI: MANUAL OPERATION
SECTION VIII: ROUTINE MAINTENANCE
General
Periodic Maintenance
Calibration Notes
Standard 2724A Calibration Procedure
2724A CPR Calibration Procedure
Calibration Via the GPIB
Figure 8-1. Calibration Equipment Connections
SECTION IX: THEORY OF OPERATION
9-1
Troubleshooting
9-2
Functional Descriptions
9-3
Detailed Circuit Descriptions
Figure 9-1. "Active Ohms" Block Diagram
SECTION X: SPECIAL PROCEDURES
10-1
General
10-2
Non-DC Test Currents
10-3
Using the 2724A with a Wheatstone Bridge
10-4
Using the 2724A with High Resistance Meters
10-5
Using the 2724A with Active-Feedback Current Sources
10-6
Line Noise Pick-Up
10-7
Thermal Voltage Offset Errors
Figure 10-1. Wheatstone Bridge Errors
SECTION XI: MANUAL CHANGES AND ADDENDUMS
SECTION XII: PARTS LISTS
SECTION XIII: DRAWINGS AND SCHEMATICS