Fluke 893A User Manual

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T. 0 33A1-12-989-4
VOLTMETER,
ELECTRONiC
MODEL 893A/AC
CONTRACT NO.
F41608-74-D-175€
JOHN FLUKE
mfg. co., inc

Fluke 893A Specifications

General

Brand	Fluke
Model	893A
Category	Measuring Instruments
Language	English

Summary

SECTION I INTRODUCTION AND SPECIFICATIONS

1-1. INTRODUCTION

Overview of the voltmeter's purpose and measurement capabilities.

1-5. ELECTRICAL SPECIFICATIONS

Detailed electrical performance parameters for the instrument.

1-10. MECHANICAL SPECIFICATIONS

Physical dimensions, weight, and construction details.

SECTION II OPERATING INSTRUCTIONS

2-1. INTRODUCTION

Guide to operating the Model 893 AC/DC Differential Voltmeter.

2-4. OPERATING FEATURES

Highlights key operational capabilities and controls of the instrument.

2-24. TVM MODE OPERATION

Procedure for using the instrument in TVM mode.

2-26. DIFFERENTIAL MODE OPERATION

Procedure for using the instrument in differential mode.

2-30. APPLICATIONS

Special applications for the differential voltmeter.

SECTION III THEORY OF OPERATION

3-1. INTRODUCTION

Overview of the instrument's operational theory.

3-3. BLOCK DIAGRAM ANALYSIS

Functional breakdown of the instrument's circuitry.

3-6. CONVENTIONAL TVM MODE

Theory of operation for the TVM measurement mode.

3-9. DIFFERENTIAL NULL MODE

Theory of operation for the differential null measurement mode.

3-33. AC CONVERTER

General overview of the AC converter's function.

3-38. NULL DETECTOR

General description of the Null Detector's function.

SECTION IV MAINTENANCE

4-1. INTRODUCTION

Introduction to the maintenance section of the manual.

4-8. DISASSEMBLY INSTRUCTIONS

General instructions for disassembling the instrument.

4-21. PRECALIBRATION AND TROUBLESHOOTING

Precalibration checks and troubleshooting guidance.

4-40. CALIBRATION PROCEDURES

Procedures for calibrating the instrument.

SECTION V LIST OF REPLACEABLE PARTS

5-1. INTRODUCTION

Introduction to the list of replaceable parts.

5-5. HOW TO OBTAIN PARTS

Instructions on how to order replacement parts.

5-8. LIST OF ABBREVIATIONS

List of abbreviations used in the parts section.