bk precision 2831c lnstruction Manual

lnstruction

Manual

Model

2831C 3

llzDigit

Bench Type

Digital

Multimeter

TEST

INSTRUMENT

SAFETY

An

electrical

as 35

volts

Higher

voltages

Observe

l. Do

not exceed

2.

Remove

multimeter.

3.

Use

only shrouded

Never

4.

Turn removing

5. For

voltage

applied.

possible,

6. If remember

7.

Use an

not

damp

shock

dc

or ac rms

are even

the

following

the following

DC

VOLTS (Range

AC

VOLTS (Range

OHMS 2001tA*2 204 COM

test

leads ffom

use test

offequipment

leads

power.

or current

famlliarize yourself

that high

insulated

floor material

or wet.

causing

should

l0 milliamps

be considered

more

dangerous.

safety precautions:

input

ratings.

450

V dc

A

the

safety

type

with

exposed

while

making

measwements

voltage

(fuse

2 A

(untused)

20 A Do

not float

instrument

test leads

bare wires test

in

with

the equipment

may

appear

or floor

WARNING

of current

dangerous

Personal 2v-lkv) 2V-lkv)

or ac nns protected)

more than

point

and

like

those supplied.

or

comections

high voltage

at unexpected points

mat to

stand on,

(continued

pass

to

and

injury

1200 V

(dc +

1000 V rms

500 volts

of measurement

poor

insulation.

in high-voltagg

equipment,

being tested

and an in5ulated

I

throulh

hazardotrs

or

on inside

since

damage

ac

$eak)

from

before

Periodically

circuits.

do not touch

and

the location

in d6fective

back

the

heart will

stop

it can produie

to the instrument

DC

VOLTS

AC

VOLTS

earth

sround.

replacing

inspect

equipment.

work

cover)

fuses

insulation

Discharge

equipment,

of its high

bench surface:

most human

a fatal

cgrrent

may

result.

(Range

high-voltage

200mv)

performing

or

for any

meter, or

voltage

make certain

heartbeats.

gnder

certain

(dc+ac

750V

rms

any

servicing

burns,

cuts,

capacitors

test leads

points.

while

However,

such

Voltage

conditions.

pk)

on the

or breaks.

after

power

surfaces are

as low

is

Instruction Manual

for

Model 2831C

Bench Type

3-112

Digit

MULTIMETER

KKPRECilsffEJ

1031

Segovia

Circle, Placentia

CA

92870

TABLE

OF CONTENTS

TEST INSTRUMENT

INTRODUCTION.

SPECIFICATIONS.

OPTIONALACCESSORIES...

CONTROLSANDINDICATORS

OPERATINGINSTRUCTIONS..

Preliminary VoltageMeasurements

SAFETY

. Inside Front

.......I

.......2

.........5

......,.6

........7

........8

Page

Cover

.....8

CurrentMeasurements

ResistanceMeasurements

... ..........9

... ContinuityTesting DiodeTesting ...

MI{TNTENANCE. .

huseReplacement lineVoltageSelection

f,estleads InstrumentRepairService

WARRANTY

SERVICEINSTRUCTIONS..

LIMITEDONE-YEARWARRANTY....

Page

.......9

....10

......

....11

.......12

.....12

.....14

.......15

II

INTRODUCTION

The B & digit multimeter standard and resistance diode test

The

selected

pushbuttons.

with automatic

digits

K Precision

functions

and continuity

instrument

from a

The 3-ll2

Model

a highly

is

voltage,

of

measurements.

functions.

to use,

logically

digit

sign and

panel

is easy of very

minus

28318

versatile

current

[n addition,

LED

instrument

(with

as all functions

laid out and identified

display features

auto-zero

bench-type 3-ll2

offering

A range),

a 20

it also

includes

are

0.43"'

capability.

The unit is carrying

folded on

be

other

Safety

extensive

B & K Precision for the Model and B & K information

housed

handle doubles

instrument.

features

overload

usefulness

Precision

on the

in a rugged,

as a sturdy

the instrument

top of

include

protection, including

offers a full

which

28318

of the

instrument.

distributor

latest accessories.

attractive

jacks,

safety

can further expand

or B & K

plastic

tilt stand.

to allow stacking

line of optional

Please contact

The tilt

safety

a high energy

Precision

and the

case,

stand can

your

with

leads, and

test

fuse.

accessories

the capabilities

your

locai

for more

All

accuracies specified

relative

humidity.

DC VOLTAGE

RANGE

200 mV

2V 11.999

20v

200 v

1200 v 11200

Normal

Common mode rejection:

Response time:

Input

MAXIMUM

INDICATION

t199.9 mV

V

+19.99 V

1199.9 V

v

Max. Input

mode rejection:

Impedance:

SPECIFICATIONS

oC,757o

at23"C

+

5

ACCURACY

!(O.1o/o of reading

+

1

count)

All ranges

50 dB

minimum at 50160

120 dB minimum 50160 Hz with I kO unbalance.

I second.

10 MO.

maximum

MAX

INPUT

750V

(dc+ac peak)

1200v

(dc+ac

peak)

at dc and

Hz.

AC

VOLTAGE

TRIIE RMS:

RANGE

200mV

2V

20v

200v

1000v

*Notto

FROM lE/o tD 10V/o

I/IAXIMUM INDICATION

'199.9mV

1.gSSV 4or-tsb

't9.99V

199.9/

Max. Inpul

exceed the

Input impedance. Common mode Response

time:

FREQENCY

4oFtsb 1Kl-E

1 KFtsb 10Kt-E 10Klkb20Klh nrcb.b&Ki

1 KFLto 10Kt-tsb20Klb 20K]-tsb40KlE

4oFtsb

1 Khtrtc 10Kl-tsb20KI-L 20 Kl-tsb40KlL

40 Flzto 1 KHz 1 KFlzto

1000

v

A0tLlo 1lG-lz

Volt-Her?uoduct

rejection:

OF

t(0.5% of tdg+46651 t(2% ofrdg+acnbl t(5% of tdg{'4cnb1 t(1flo ofrdg+46651

(0.5%

1Kt-b

10 KJ-L

(2/o (5% (1ry0

l Klh

t(0.5% of rdg+4cnb)

10KFL

{2% t(5% of tdg+466;

t(ltrlo t(0.5%

10Kl-lz

t(2% ofrdg+4cnts; {0.5%

ptoducl

of

10 MCl in

dB minimum

60

3 seconds

RANGE

ACCRACY

of rdg+acnbl

tdgr<q6;

of oftdg+4cnts)

of rdq+4cnb)

rdg+acnbl

of

rdg+4665;

of

tdg+acnt)

of

rdg+

of

cnb)

parallelwith

at 5060 Hz.

maximum.

MAX

INPUT

VOLTAGE

750

V rms

1000 V rms

pF.

100

SPECIFICATIONS

DC CTIRRENT

RANGE

200 uA

2mA t1.999

20 mA

200 mA

2000 mA

204

Maximum burden

(with

leads)

test

Response

Overload

MAXIMUM

INDICATION

1199.9

t19.99 mA t199.9 t1999

119.99

supplied

time:

protection:

uA mA

mA

A

voltage:

ACCURACY

of reading

L(0.2%

+

1 count)

of reading

r(0.3%

+

1

count)

V at 200 mA.

0.3 2000 mA.

I V at

(0.25

2.5 Y

jacks)

at

I second.

N250 V

2

on mA

series

range unfused.

20 A

V across

20 A.

fuse in

input

MAXIMUM

INPUT

2A

20A

through

A input

20

20A

jack.

iaqk

AC CURRENT

FROM lUY"

RMS:

TRUE

RANGE

200

2mA

20 mA

200 mA

2000

Maximum

Response

Overload

MAXIMUM

INDICATION

pA

199.9

1.999

19.99

199.9 mA

mA

204

burden

(with

supplied

test leads)

time:

protection:

1999mA

19.99

ta ljV/o OF

FREQUENCY

pA

40Hzto 10KHz

10KHz to 40Hzto 10KHz

mA

1OKFlzto20KHz

mA 40Hzto

lOKHzto 20KHz 40Hzto

1OKHz to

A 4OHzto2KHz

voltage:

1OKHz

10KHz

4OHztoZKHz

RANGE

MAXIMUM

20Ahrough

20KHz

ACCURACY

t(1% ofrdg+4cnb'

ofrdg+acnE'

{2%

of tdg+4orb)

{1% t(2% ofrdg+4cnb)

t(1% oftdg+4cnb; t(2% ofrdg+acnbl

t(1% ofrdg+qcnS)

rdg+4cr"ts)

of

{2%

(1%

ofrdo+4cntsl

t(1% ofrdg+acnts;

Z0Ainputiac*

V at 200 mA.

0.3 2000 mA.

1 V at

(0-25

2.5 V

jacks)

at 20 A.

3 second.

V

across

20A

2 N250 V fuse in series

jack.

mA input

on

20 A

ranse unfused.

INPUT

2A

bk precision 2831c lnstruction Manual

Specifications and Main Features

Frequently Asked Questions

User Manual