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Fluke 8060A User Manual

Fluke 8060A
140 pages
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®
This manual pertains to instruments with serial number 6820XXX
or higher.
8060A
True-rms Multimeter
Instruction Manual
PN 609146
May 1997 Rev.3, 11/00
© 1997,1998,1999, 2000 Fluke Corporation, All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.

Table of Contents

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Fluke 8060A Specifications

General IconGeneral
Display4.5 digit LCD
True RMSYes
Diode TestYes
Continuity TestYes
Operating Temperature0°C to 50°C
Power Supply9V battery
AC Voltage Range200 mV to 750 V
Frequency Range2 Hz to 200 kHz
DC Voltage Accuracy±(0.05% + 2 digits)
DC Current Accuracy±(0.2% of reading + 2 digits)
DC Current Range200 μA to 2 A
AC Current Range200 μA to 2 A
Weight650 g

Summary

Introduction and Specifications

Introduction

Overview of the 8060A multimeter's capabilities and features.

Items Furnished with Equipment

Lists the accessories included with the 8060A multimeter upon purchase.

Specifications

Detailed electrical and environmental specifications for the 8060A multimeter.

Operating Instructions

Introduction

Guide to using the 8060A multimeter and its measurement functions.

Unpacking Your Instrument

Instructions for checking the contents of the 8060A multimeter shipment.

Battery Installation or Replacement

Procedure for installing or replacing the 9V battery in the 8060A multimeter.

Fuse Replacement

Details on how to check and replace fuses F1 and F2 in the 8060A multimeter.

Physical Features

Description of the external physical characteristics of the 8060A multimeter.

Front Panel

Explanation of the controls, indicators, and connectors on the 8060A front panel.

Display

Description of the 4 digit LCD display and its annunciators.

Signal Input Limits

Maximum input voltage and current limits to prevent damage to the 8060A multimeter.

Operation

Overview of how to operate the 8060A multimeter's functions.

Power-On Self-Test

Describes the automatic self-test performed when the 8060A multimeter is powered on.

AC/DC Voltage (V)

Procedure for selecting and performing AC/DC voltage measurements with the 8060A.

True rms Measurement

Explanation of the 8060A's True RMS measurement capability for AC signals.

AC-Coupled AC Measurements

How AC coupling affects AC voltage measurements on the 8060A.

Waveform Comparison and Conversion

Compares 8060A readings with average-responding meters for various waveforms.

High Impedance DC Voltage

Using the high impedance DC voltage function for sensitive circuitry.

AC/DC Current (A)

Procedure for selecting and performing AC/DC current measurements with the 8060A.

Resistance (Ω)

Procedure for selecting and performing resistance measurements with the 8060A.

Autoranging Megohms

Explanation of the autoranging M resistance ranges on the 8060A.

Autoranging Kilohms

Explanation of the autoranging k resistance ranges on the 8060A.

Conductance (S)

Procedure for performing conductance measurements and converting to resistance.

Diode Test ( )

Procedure for testing diodes using the 8060A's diode test function.

Relative (REL)

How to use the Relative (REL) function to store and subtract reference values.

Frequency (Hz)

Procedure for performing frequency measurements with the 8060A.

Decibel (dB)

Using the 8060A for dBm and dBW measurements, including reference impedance changes.

dBV

How to perform dBV measurements, commonly used in the audio industry.

Continuity ( )

Procedure for checking circuit continuity using the 8060A's audible and visible indicators.

Initial Check-Out Procedure

Basic tests to verify the proper operation of the 8060A multimeter's functions.

Applications

Introduction

Overview of various applications and measurement capabilities of the 8060A.

Determining Amplifier Bandwidth

Procedure to determine amplifier bandwidth using dB, relative, and frequency functions.

Using the 8060A as a Q-Meter

Method to determine the Q factor of a tuned circuit using the 8060A.

Measuring Amplifier Stage Gain with Relative dB

Measuring amplifier stage gain referenced to an initial dB level using relative dB.

General Audio Uses

Applications of the 8060A in audio equipment testing and maintenance.

Using the 8060A to Measure Extremely Low Currents

Method to measure very low currents using high impedance voltage function and resistors.

Making dBm or dBW Measurements with Other Reference Impedances

How to set different reference impedances for dBm/dBW measurements using the REL function.

Changing AC dB Reference Impedances with a DC Source

Using a DC source to set reference impedances for AC voltage dB measurements.

Theory of Operation

Introduction

Overview of the 8060A's operational principles and components.

Functional Description

Explanation of the major circuits (microcomputer, MAC) and signal flow.

Microcomputer

Description of the 8060A's microcomputer role in control and operation.

Measurement Acquisition Chip (MAC)

Explanation of the MAC's function in signal acquisition and control.

A/D Conversion Cycle

Detailed breakdown of the analog-to-digital conversion process in the 8060A.

Voltage Measurement

Theory behind the 8060A's voltage measurement input divider and protection.

Current Measurement

Theory of operation for current measurements using shunts and the A/D converter.

Resistance Measurement

Explanation of the ratio technique used for resistance measurements.

Conductance Measurement

Theory of operation for conductance measurements, reversing the resistance technique.

Continuity Measurement

Theory of how the 8060A detects and indicates continuity.

Frequency Measurement

Theory of operation for frequency measurements using the MAC's frequency counter.

Maintenance

Introduction

Introduction to the maintenance procedures for the 8060A multimeter.

Service Information

Details on warranty, in-warranty, and out-of-warranty repair services.

General Information

Recommendations for periodic checks and performance tests.

Handling Precautions for Using Static Sensitive Devices

Safety precautions for handling static-sensitive components within the 8060A.

Disassembly and Reassembly

General procedures for disassembling and reassembling the 8060A instrument.

Calibration and Backup Fuse Access

Procedure to access calibration adjustments and the backup fuse (F2).

Main PCB Access

Steps to gain access to the main printed circuit board (PCB).

LCD and Microcomputer PCB Disassembly and Assembly

Procedures for disassembling and assembling the LCD and microcomputer PCB.

Backup Fuse Replacement

Instructions for replacing the backup fuse (F2) in the 8060A.

Cleaning

Guidelines for cleaning the exterior of the 8060A multimeter.

Performance Tests

Procedures to verify the 8060A's performance against specifications.

Initial Procedure

Initial steps required before performing performance tests on the 8060A.

Microcomputer and Display Test

Testing the microcomputer and LCD display using the self-test feature.

Voltage Test

Procedure to verify DC voltage, AC voltage, and dB functions using a calibrator.

Resistance Test

Procedure to verify the proper operation of the resistance function.

Continuity Test

Procedure to verify the continuity function's audible and visible indicators.

Conductance Test

Procedure to verify the proper operation of the conductance function.

Current Test

Procedures to verify the proper operation of DC and AC current functions.

Diode Test

Procedure to verify the proper operation of the diode test function.

Frequency Test

Procedure to verify the proper operation of the frequency function.

Calibration Adjustment

Procedures for adjusting calibration to maintain specifications.

Troubleshooting

General guidance and precautions for troubleshooting the 8060A.

Self-Tests

Description of the three self-test modes available on the 8060A.

Ratio Self-Test

Details on the ratio self-test mode for verifying the A/D converter.

Switch Decoding Self-Test

How the switch decoding self-test verifies microcomputer interpretation of switch settings.

Troubleshooting Guide

A guide to diagnosing and resolving common malfunctions based on symptoms.

List of Replaceable Parts

Introduction

Introduction to the list of replaceable parts for the 8060A multimeter.

How to Obtain Parts

Information on ordering replacement parts for the 8060A multimeter.

Manual Status Information

Information on manual revision levels and assembly documentation.

Newer Instruments

Notes on changes and improvements in newer instrument revisions.

Service Centers

Contact information for Fluke service centers worldwide.

Schematic Diagrams

A1 Main PCB Component Locations

Diagram showing component locations on the main PCB (A1).

Test Point Locations

Diagram illustrating the locations of various test points on the 8060A.

A/D Measurement Cycle

Graphical representation of the A/D measurement cycle stages.

Switch Detail

Detailed view of the switches and their states in the 8060A.

A1 Main PCB Schematic Diagram

Complete schematic diagram for the main PCB (A1) of the 8060A.

A3 rms PCB Schematic Diagram

Complete schematic diagram for the A3 RMS PCB of the 8060A.

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