Valhalla Scientific Inc. 2500EP Calibrator
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Valhalla Scientific Inc. 2500EP you can upload the files here .
Model:
2500EP
Date:
1988
Category:
Group:
Description:
AC-DC Current Calibrator
Manual type:
Service and User Manual
Pages:
62
Size:
2.09 Mbytes (2186332 Bytes)
Language:
english
Revision:
Manual ID:
Date:
1988 03 01
Quality:
Scanned document, all readable.
Upload date:
2017 04 10
MD5:
64580232dbd318ae05fc6eb31093b143
Downloads:
890
Information
SECTIO N I - UNPACKING AND INSTALLATION
Unpacking
Initial Adjustments
Instructions for Bench Use
Instructions for Rack Mounting
Safety Precautions
SECTION II - SPE CIFICA TIO NS
2500EP2500ENGeneralAccuracy
Accuracy
Specification s
SECTIO N III - OPTIO NS AND Accessories
Generai
Option "R2"
Option "BBL"
Option "SP-2”
SECTION IV - FRONT PANEL CONTROLS AND CONNECTORS
General
"INPUT VOLTAGE·* Section
"POWER* Section
"ZERO” Section
"RANGE" Section
"OUTPUT C U R R E N T ” Section
"STATUS" Section
SECTION V - REAR PANEL CO NTRO LS AND CONNECTORS
General
"REMOTE C U R R E N T R A N G E PROGRAMMING" Connector
Power Connector
Fuseholder
AC Power Selection Switch
Rear Panel Term inals
SECTION VI - MANUAL OPERATION
General
Applying AC Power
Connections
Range Selection
Zero Adjustment
Overload Indicator
AC Accuracy Considerations
Parallel C apacitance E ffects
Series Inductance E ffects
SECTION VII - REMOTE OPERATION
General
Connector Signal Description
SECTION VIII - CALIBRATION PROCEDURE
General
Calibration Philosophy
Adjustment Required Following M aintenance
Periodic Calibration
Output Zero Calibration
Range Calibration Adjustments
SECTION IX - MAINTENANCE AND TROUBLESHOOTING
General
Periodic M aintenance
Cleaning
Troubleshooting
Component Replacement
Finding the Faulty Component
SECTION X - THEORY OF OPERATION
General
Functional Description
Input A m plifier
Error A m plifier
Output A m plifier
Range Sw itching
Overall Operation
Overload Indicator
Detailed Circuit Descriptions
Input A m plifier
Error A m plifier
Range Sw itching
Output A m plifier
Overload Detection
Power Supplies
SECTION XI - USEFU L H INTS
Driving Inductive Loads
Thermal Considerations