Instrukcja obsługi Keithley 169

Keithley multimetr 169

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Instruction Manual

Model 169

Digital Multimeter

01979, Keithley Instruments, Inc.

Cleveland, Ohio, U.S.A

Document Number 30161

TABLE OF CONTENTS

SECTION PAGE

GENERAL INFORMATION. .......................

l-l

1.1.

INTROOUCTION ........................

1-l

1.3.

FEATURES .......................... l-1

1-5.

WARRANTY INFDKMATION .................... 1-2

l-7.

CHANGE NOTICES ....................... 1-2

1-9.

SAFETY SYMBOLS ....................... l-2

l-11. SPECIFICATIONS ....................... 1-2

OPERATION. ............................ 2-l

2-l. INTRODUCTION ........................ 2-l

2-3.

UNPACKING AND INSPECTION .................. 2-l

2-5.

PREPARATION

FOR

USE. .................... 2-l

2-6.

Installation of Batteries, if required ........... 2-1

2-7.

CONTROLS, INDICATORS AND CONNECTORS. ............

2-l

2-8.

Display ........................... 2-1

2-10. Front Panel Switches .................... 2-2

2-12. Input Connections. ..................... 2-2

2-14. Tilt Bail/Handle ...................... 2-4

2-16. INITIAL FUNCTIONAL CHECK .................. 2-4

2-18. OPERATING INSTRUCTIONS ................... 2-4

2-20. DC VOLTAGE MEASUREMENT ................... 2-5

2-22. AC VOLTAGE MEASUKEMENT ................... 2-5

2-24. AC

DC CUKRENT MEASUREMENT

................ 2-5

2-26. RESISTANCE (n) MEASUREMENT ................. 2-6

PERFORWINCE VERIFICATION ..................... 3-l

3-1.

GENERAL ........................... 3-l

3.3.

RECOMMENDED TEST EQUIPMENT ................. 3-1

3-5. ENVIRONMENTAL CONDITIONS .................. 3-l

3-7.

PERFORMANCE VERIFICATION PROCEDURE ............. 3-1

3-9. Initial Conditions ..................... 3-2

3-11. DC Volts Checkout. ..................... 3-2

3-12. AC Volts Checkout. ..................... 3-2

3-13. Resistance Checkout. .................... 3-3

3-14. DC Current Checkout. .................... 3-3

3-15. ANALYSIS .......................... 3-3

ACCESSORIES. ........................... 4-l

4-1.

GENERAL ........................... 4-l

4-3.

MODEL

1600

HIGH VOLTAGE PROBE. ............... 4-l

4-5.

MODEL

1651

50-AMPERE SHUNT ................. 4-1

4-7.

MODEL 1681 CLIP-ON TEST LEAD SET .............. 4-l

4-9. MODEL 1682 RF PROBE. .................... 4-1

4-11.

MODEL 1683 UNIVERSAL TEST LEAD KIT ............. 4-2

4-13. MODEL 1684 CARRYING CASE .................. 4-2

4-15. MODEL 1635 CLAMP-ON AC CURRENT PROBE ............ 4-2

4-17. MODEL

1691

GENERAL PURPOSE TEST LEAD SET .......... 4-2

4-19.

MODEL

1699

SPARE PARTS KIT ................. 4-2

4-21. MODELS

1010

and 1017 RACK MOUNTING KITS. .......... 4-2

THEORY OF OPERATION. ....................... 6-l

5-l.

5-3.

5-6.

5-7.

5-10.

5-12.

5-14.

GENERAL. ................

OVERALL OPERATION. ...........

SIGNAL CONDITIONING. ..........

AC/DC Voltage Measurements .......

AC/DC Current Measurements .......

Resistance Measurements. ........

A/D CONVERTER. .............

........ 5-l

........ 5-I

........ 5-2

I ii

i i

TABLE OF CONTENTS (Cont'd)

SECTION PAGE

5-16. DISPLAY CIRCUITS ...................... 5-2

5-18. REFERENCE SOURCE ...................... 5-3

5-20. LOW BATTERY DETECTOR .................... 5-3

5-22. INPUT PROTECTION ...................... 5-3

5-24. Voltage Protection ..................... 5-3

5-27. Current Protection ..................... 5-3

5-29. Ohms Protection. ...................... 5-3

6. MAINTENANCE. ........................... 6-1

6-1. GENERAL ........................... 6-l

6-3. CALIBRATION. ........................ 6-l

6-5. Recormended Calibration Equipment. ............. h-l

6-7. Environmental Conditions .................. h-l

6-9. Case Cover Removal ..................... 6-1

6-11. Calibration Adjustment ................... 6-I

6-14. TROURLESHOOTING. ...................... 6-2

6-16. Special tiandling of Static Sensitive Devices ........ 6-2

6-18. Power supply ........................ 6-3

6-20. A/D Converter and Display Driver .............. 6-3

6-22. AC Converter ........................ h-3

6-24. Voltage Divider, Reference Source and Ohms Circuit ..... 6-3

b-26. Current Circuitry. ..................... 6-3

6-31. LIQUID CRYSTAL DISPLAY REPLACEMENT ............. 6-4

6-33. BATTERY REPLACEMENT. .................... 6-9

6.35. CURRENT FUSE REPLACEMENT .................. 6-9

7. REPLACEABLE PARTS. ........................ 7-D

7-I. GENERAL ........................... 7-o

7-3. ORDERING INFORMATION .................... 7-D

J-5. FACTORY SERVICE. ......................

7-O

7-J.

SCHEMATIC. ......................... 7-O

7-9. COMPONENTS LAYOUT. ..................... 7-D

J-11.

MODEL

1699

SPARE PARTS KIT ................. 7-O

ILLUSTRATIONS

FIGURE TITLE JhGJ

l-l

2-l

2-2

2-3

4-l

4-2

4-3

4-4

5-I

5-2

5-3

5-4

6-1

6-2

6-3

6-4

6-5

7-l

Model lG9. ....................... I-1

Installation of Batteries. ............... 2-o

Model 169 Front Panel Display. ............. 2-O

Operating Controls ................... 2-3

High Voltage Probe and RF Probe. ............ 4.2

Current Current Probe and Shunt. ............ 4.3

Convenience Cable and Connectors ............ 4.3

Carrying Case and Hack Mounting Kits .......... 4.4

Model 169 DMM Overall Signal Flow Block IDiagram. .... 5-5

Simplified AC/DC Voltage Measurement .......... 5-6

Simplified AC/DC Current Measurement ..........

5-J

Simplified Resistance Measurement. ........... 5-8

Calibration Adjustment Location. ............ 6-2

LCD Assembly ......................

6-4

Integrator Waveform. .................. 6-6

AC/DC Converter Waveform ................

6-J

Current Fuse Removal/Replacement ............ 6-9

Covers and Panels. ...................

7-4

Specyfikacje produktu

Marka:	Keithley
Kategoria:	multimetr
Model:	169

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