Schematic Drawing - TM-9-4935-282-340008
SECTION I. INTRODUCTION AND SPECIFICATIONS
AC ACCURACY
AS A VACUUM TUBE VOLTMETER
SECTION II. OPERATING INSTRUCTIONS
Figure 2-1. CONTROLS, TERMINALS, AND INDICATORS (sheet 2 of 2)
ZEROING INSTRUCTIONS
OPERATION AS A CONVENTIONAL VTVM
USE OF 803D WITH A RECORDER
MEASUREMENT OF HIGH RESISTANCES
NOTES ON MEASURING DC VOLTAGES
Figure 2-7. SIGNAL VOLTAGE WITH CONVERTER NOISE
SECTION III. THEORY OF OPERATIONS
NULL DETECTOR
0 TO 500 VOLT REFERENCE SUPPLY
AC TO DC CONVERTER
Figure 3-2. FUNCTION OF POLARITY SWITCH
SECTION IV. MAINTENANCE
Figure 4-1. TROUBLESHOOTING (sheet 1 of 2)
TUBE REPLACEMENT
Figure 4-2. TUBE VOLTAGE CHART
CALIBRATION
AC TO DC CONVERTER CALIBRATION
Figure 4-5. AC TO DC CONVERTER CALIBRATION SET-UP
500 VAC High Frequency Adjustment
SECTION V. LIST OF REPLACEABLE PARTS
LIST OF REPLACEABLE PARTS-continued
Figure 5-1. FINAL ASSEMBLY (sheet 1 of 2)
Figure 5-1. FINAL ASSEMBLY (sheet 2 of 2)
Front Panel Assembly
Figure 5-2. FRONT PANEL ASSEMBLY (sheet 1 of 2)
Figure 5-2. FRONT PANEL ASSEMBLY (sheet 2 of 2)
Reference Supply Board Assembly without tubes
Figure 5-3. REFERENCE SUPPLY BOARD ASSEMBLY
Null Detector Chassis Assembly without tubes
Null Detector Chassis Assembly without tubes-continued
Figure 5-4. NULL DETECTOR CHASSIS ASSEMBLY
Range Resistor Board Assembly
Figure 5-5. RANGE RESISTOR BOARD ASSEMBLY
Figure 5-6. KELVIN-VARLEY RESISTOR BOARD ASSEMBLY
Converter/AC Range Switch Assembly
AC Range Switch Gain Adjust Assembly
Figure 5-7. CONVERTER/AC RANGE SWITCH ASSEMBLY (Sheet 1 of 2)
Figure 5-7. CONVERTER/AC RANGE SWITCH ASSEMBLY (Sheet 2 of 2)
Figure 5-8. CHOPPER DRIVE ASSEMBLY
USE CODE EFFECTIVITY
SECTION VI. ACCESSORIES
POTENTIOMETRIC RECORDER
FUNCTIONAL SCHEMATIC DIFFERENTIAL VOLTMETER
TM-9-4935-282-34 John Fluke Model 803D Manual
SECTION I. INTRODUCTION AND SPECIFICATIONS
AC ACCURACY
AS A VACUUM TUBE VOLTMETER
SECTION II. OPERATING INSTRUCTIONS
Figure 2-1. CONTROLS, TERMINALS, AND INDICATORS (sheet 2 of 2)
ZEROING INSTRUCTIONS
OPERATION AS A CONVENTIONAL VTVM
USE OF 803D WITH A RECORDER
MEASUREMENT OF HIGH RESISTANCES
NOTES ON MEASURING DC VOLTAGES
Figure 2-7. SIGNAL VOLTAGE WITH CONVERTER NOISE
SECTION III. THEORY OF OPERATIONS
NULL DETECTOR
0 TO 500 VOLT REFERENCE SUPPLY
AC TO DC CONVERTER
Figure 3-2. FUNCTION OF POLARITY SWITCH
SECTION IV. MAINTENANCE
Figure 4-1. TROUBLESHOOTING (sheet 1 of 2)
TUBE REPLACEMENT
Figure 4-2. TUBE VOLTAGE CHART
CALIBRATION
AC TO DC CONVERTER CALIBRATION
Figure 4-5. AC TO DC CONVERTER CALIBRATION SET-UP
500 VAC High Frequency Adjustment
SECTION V. LIST OF REPLACEABLE PARTS
LIST OF REPLACEABLE PARTS-continued
Figure 5-1. FINAL ASSEMBLY (sheet 1 of 2)
Figure 5-1. FINAL ASSEMBLY (sheet 2 of 2)
Front Panel Assembly
Figure 5-2. FRONT PANEL ASSEMBLY (sheet 1 of 2)
Figure 5-2. FRONT PANEL ASSEMBLY (sheet 2 of 2)
Reference Supply Board Assembly without tubes
Figure 5-3. REFERENCE SUPPLY BOARD ASSEMBLY
Null Detector Chassis Assembly without tubes
Null Detector Chassis Assembly without tubes-continued
Figure 5-4. NULL DETECTOR CHASSIS ASSEMBLY
Range Resistor Board Assembly
Figure 5-5. RANGE RESISTOR BOARD ASSEMBLY
Figure 5-6. KELVIN-VARLEY RESISTOR BOARD ASSEMBLY
Converter/AC Range Switch Assembly
AC Range Switch Gain Adjust Assembly
Figure 5-7. CONVERTER/AC RANGE SWITCH ASSEMBLY (Sheet 1 of 2)
Figure 5-7. CONVERTER/AC RANGE SWITCH ASSEMBLY (Sheet 2 of 2)
Figure 5-8. CHOPPER DRIVE ASSEMBLY
USE CODE EFFECTIVITY
SECTION VI. ACCESSORIES
POTENTIOMETRIC RECORDER
FUNCTIONAL SCHEMATIC DIFFERENTIAL VOLTMETER
TM-9-4935-282-34 John Fluke Model 803D Manual
