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Valhalla Scientific Inc. 2500EP Calibrator
Manufacturer:
Model:
2500EP
Date:
1988
Class:
Type:
SubType:
AC-DC Current Calibrator
Service and User Manual
Manual type:
Service and User Manual
Pages:
62
Size:
2.09 Mbytes (2186332 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
01 March 1988
Quality:
Scanned document, all readable.
Upload date:
10 April 2017
MD5:
64580232dbd318ae05fc6eb31093b143
Downloads:
1025

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

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