Keithley 160B Manual de usuario

Instruction Manual

Model 160B

Digital Multimeter

Contains Operating and Servicing Information

for Model 160B Digital Multimeter and

Model 1602B Digital Output

01975, Fourth Printing, December 1977

Keithley Instruments, Inc.

Instrument Division

Cleveland, Ohio, U.S.A.

INSTRUCTION MANUAL

MODEL 1606

DIGITAL MULTIMETER

(AND MODEL 16028 DIGITAL OUTPUT)

@COPYRIGHT

1975,

KEITHLEY INSTRUMENTS, INC.

FOURTH PRINTING, DECEMBER

1977,

CLEVELAND, OHIO, U.S.A.

CONTENTS

:,OOEL ibOJ

SECTION

SPECIFICATIONS. .

I. GENERAL INFORMATION. ......

I-l, ,NTROD"CT,ON ........

i-2. FEATURES

. .

l-3. WARRANTY lNFORHATlON. ............

l-4. CHANGE NOTlCE ................

l-5. OPTIONAL MODEL 16028 D,G,TAL o"TP" T. .....

1-6. OPTIONAL MODEL 1688~ RECHARGEABLE BATTERY PACK

2. INITIAL PREPARATlON ................

2-l. GENERAL ...................

2-2. INSPECTlON. .................

Z-1.

PREPARATION FOR "SE

3. OPERATlNG INSTRUCTIONS . .

3-l. GENERAL

3-2. HOW TO SELECT POWER. .

3-3. HOW TO MAKE INPUT CONNECTION!

3-4. HOW TO SELECT FUNCTlON

3-5. HOW TO MEASURE VOLTAGE

3-b.

HOW TO MEASURE RESISTANCE.

3-7. HOW TO MEASURE CURRENT .

3-8. NOISE CONSIOERATIONS

3-9. THER"AL EHFS . .

3-10. MAGNETIC FlELDS .

3-11. AC ELECTRlC FIELDS .

3-12. SHIELDING. .

. .

3-13. HOW TO "SE THE ANALOG OUTPUT

3-14. HOW TO USE MODEL 1608 OFF-GROUND . .

3-15. HOW TO USE MODEL

16028

DlGlTAL OUTPUT.

3-16. HOW TO RACK MOUNT THE MODEL 1608

4 THEORY OF OPERATION. . . . . . . . . : :

4-l. GENERAL .

4-2. ANALOG AMPLIFIER ClRC",TRY : : : : : :

4-3. ANALOG-TO-DIGITAL CONVERTER. .

4-4. POWER SUPPLY . . . .

4-S. MODEL 16028 DIGITAL OVTPUT . : :

5. ACCESSORIES. .

MODEL 1601 AC DC PROBE

MODEL 1688A RECHARGEABLE BATTERY bAiK: :

MODEL 1683 UNIVERSAL TEST LEA0 KIT

MODEL 1600 HIGH VOLTAGE PROBE.

MODEL 1682 RF PROBE... .

MODEL 1609 CALlBRATlON COVER .

MODEL 1681 CLIP-ON TEST LEAD SET

6.. "AINTENANCE.

6-1. GENERAL.

6-2. REQUIRED TEST EQUIPHENT. t

6-3. PERFORMANCE VERIFICATION .

b-4.

ADJUSTMENT/CALIBRATION PROCEDURE

7. REPLACEABLE PARTS. ...........

7-l. GENERAL. .............

7-2. ORDERING INFORMATION .......

., .

7-3. SCHEMATlCS

. .

PAGE

,'P

ILLUSTRATIONS

rzg. NO. IIcLe

1 “fme”sio”al Data. --___--____-____-_____________________

2 Tilt Bail Positions. ------------------------

3 *pant panel. -------------------------------------------

4 *ottcm View Showing Line Cord. -------------------------

5 Rear View Showing Line Switches. -------__--_____--_____

6 Mode11688A Rechargeable Pack. ------------------

Batrery

7 Exploded View of Model 160B/1688A.----------------------

8 Installatio" of Pack. ------------------------

Battery

9 Battery Test Location. ------------_----___-------------

10 Front Panel Controls. -------------------_--------------

11 Imcarion of Protection Fuse. _---____-_________-________

12 Voleage Measurements "sing Model 1601 AC/DC Probe. -----

13 Current Measurements Using Made1 1651 Shunt. ----------

14 Floating operation. --_---__-__-_______________________

15 Model

16028

,,+&tal O”f,,“t. _____-____-___-____-________

Exploded View of Model 16011602B. __-_-----__--____--__

17 lnstallati,,,, of &,&I 1602~. _---_______-____-__________

1.8 Rear Panel Digital Connector. -------------------

output

19 Timing Diagram for Model 1602~. ------------------------

20 Rack M,,unti,,g of Model

1.3,~.

__--_______--______________

21 Overall Block Diagram. _---____-___-____--_____________

22 DC Voltage Operation. -------------_----__-------------

23 Resistance operation. __-____-_________--______________

24 current Operaelan. -------------------------------------

25 Absolute Value Deeector. ---__--_-________-_____________

26 LSI Block Diagram. ----_---___----___--_________________

27 A/D Converter Diagram. _--___-_________--_______________

28 Identification af Se~,ent.s and Mulriplex lines. --------

29 Tap and Bottom Cover Assembly. -------------------------

30 Locarion of Calibration Ad,ustmenfs. ------------------

31 Location of Test mints.

32 Location of Chassis Connections. ----------------------

33 Location of Fuses. -------------------------------------

34 case Outline - Integrated CirCUitS. --------------------

35 case Outline - Integrated circuits. _---_______________-

36 Case Outline - Integraeed Circuits. _--____--_____--__-

37 case Outline - Inregrated circuits. --------------------

38 case ourline - Transistors.

39 Case Outline - Thick Film Networks. _---__-_____-_______

40 Case Outline - Thick Film Networks. --------------------

41 Case O"tline - Custom LSI. ---_----_---_-_-------------

42 Component Layout* pc-349. --_-_--______________________

43 component Layout,

pc-352.

----_---_-----____--_______I_

rage

;

0976

SPECIFICATIONS MODEL 1608

10.7

(27: 5

DIMENSIONS IN INCHES (MM)

FIGURE1.

Dimensional Data.

1174

SPECIFICATIONS

Calibrated at 25” *ST

war,mte* to, 1 year

AS A DC VOLTMETER

AS AN OHMMETER

Liz2 m

NORMALBENCH POSITION LEVEL POSITION - TILTEAIL AT FRONT

45" POSITION

LEVEL POSITION - TILTBAIL%

MODEL 160B

SECTION 1. GENERAL INFORMATION

l-l. INTROD”CTION. The Model 1608 is a wide-range

digital multimeter capable of measuring voltage, cur-

rent, and resistance. me Model 1608 offers SeYen

ranges of voltage from lrn" to 1000 volts, nine ranges

of current from 1O"A to 1ooomA, and ten ranges Of re-

sistance from 1n to lOOOM12. The Model 1608 display

is 3 digifs plus 100% overrange.

1-2. FEATURES.

a. Voltage sensitivity to 1 micravole per digit.

b. current .se"Giti"ity to O.OlnA per digit.

C. Resistance sensitivity to 0.001n per digit.

d. Floating capabilify LO _+1*00 "OlC.5 above case.

e. Built-in analog output.

f. Optional Made1 1602R Digital Output

s. Optional Model1688ARrchargeable "attery Pack.

HANDLE AND

TILT BAIL

LINE

COW

STORAGE

S S

BAT TEST A

BAT TEST B

CONDENSEDOPERATING INSTRUCTIONS S = SCREW

LOOSEN FOR

DISASSEMBLY

2 1174

MODEL 1608 INITIAL PREPARATION

5112 J113 !

ANALOGOUTPUT 520I

SWITCHES SHOWNFOR

OPERATION FROM105-125V LINE

DiGi

OUTF

J302

:TAL

'UT

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