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Manuals
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Datron Manuals
Measuring Instruments
1051
Servicing manual
Datron 1051 Servicing Manual
Digital voltmeter
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Contents
Table of Contents
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Table of Contents
Table of Contents
Technical Description
General
DC Isolator Board
Preamplifier Scaling
Preamplifier
Drift Compensation
Filtering
DC Coding
Isolator Range Coding/Decoding
AC Coding
Resistance Converter Coding
Filter
Auto Range and Range Selection
Lviodels 01 and 11 AC Converter
Preamplifier
RMS Converter
Resistance Converter - Option
Analogue to Digital Converter
General Principles
Reset Period and Auto Zero
Signal Integrate Period
Analogue Section
Reference Integrate Period
References
Using an External Reference
General Principles
Command
Counter, Latches and Multiplexing
Master Preset
Digital Section
Reference Integrate Period
The Line Locked Clock
External Control
Transfer
General
Power Supplies
And -8V Supplies
Display
External Reference Ratio
15V and +5V Supplies
Maintenance
Introduction
General
Removal of Covers - Access for Calibration or Repair
Routine Calibration
General
Test Equipment Required
DC Calibrator
DC Voltmeter
AC Calibrator (Options 01 and 11)
Crest Factor Signal (Options 01 and 11)
Precision Resistors (Option 03)
Jlrocedures
General
DC Voltage Calibration
AC Voltage Calibration (Option 01 or 11)
Ohms Converter Calibration (Option 03)
External Reference (Ratio) Calibration (Option R03)
External Reference (Ratio) Calibration (Option R06)
Repair and Component Replacement
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