Fluke 189II/AN, Руководство по обслуживанию

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Table of Contents
Title Page
Introduction........................................................................................................ 1
Contacting Fluke................................................................................................ 1
Precautions and Safety Information................................................................... 2
International Symbols ........................................................................................ 2
Safety Information ............................................................................................. 3
General Specifications ....................................................................................... 5
Detailed Specifications ...................................................................................... 5
AC Voltage Specifications ............................................................................ 6
AC Current Specifications............................................................................. 6
DC Voltage Specification.............................................................................. 6
DC Current Specifications............................................................................. 7
Resistance Specifications .............................................................................. 7
Temperature Specifications ........................................................................... 7
Capacitance and Diode Test Specifications................................................... 8
Frequency Counter Specifications................................................................. 8
Frequency Counter Sensitivity ...................................................................... 8
MIN MAX, Recording, and Peak Specifications .......................................... 9
Input Characteristics...................................................................................... 9
Burden Voltage (A, mA,
μ
A) ........................................................................ 9
Unpacking the Meter ......................................................................................... 9
Inspection........................................................................................................... 9
Hazardous Voltage............................................................................................. 10
Required Equipment .......................................................................................... 10
Theory of Operation........................................................................................... 11
Analog Signal Conditioning .......................................................................... 11
Control Section.............................................................................................. 11
Power Supply................................................................................................. 11
Block Diagram................................................................................................... 12
Testpoint Locations............................................................................................ 12
Fault Isolation Techniques................................................................................. 12
Wear Tolerance.................................................................................................. 12
Trouble Symptoms............................................................................................. 12
Logic .................................................................................................................. 12
Restoration Actions............................................................................................ 12
Basic Maintenance............................................................................................. 13
Opening the Meter Case ................................................................................ 13