Victor 81A Bedienungsanleitung

VICTOR

81A/81B

Digital

Multimeter

Operation

Manual

一.General

.General

………………………………………………

二.Open-Package

.Open-Package

Inspection

……………………………

三.

Safety

Note

……………………………………………

四.

Front

Panel&

Button

Function

Description

…………

五.

Other

Functions

………………………………………

六.Property

.Property

………………………………………………

七.Instrument

.Instrument

Maintenance

……………………………

八.Fault

.Fault

Elimination

……………………………………

一、

General

VICTOR 81A/B

steady performance, high security

1/2 digital

multimeter.

uses

LCD with

18.9mm

high figure

to make the

reading

clear.

The

digital

multimeter

has

the function of measuring

ACV, DCV,

ACA,

DCA,

Resistance,

Celsius

Fahrenheit

Temperature,

Diode, Continuity.

The

instrument also

has

the features of

Unit Symbol

Display,

Auto/Manual

Range

Selection,

Auto

Power

Offer

and

Alarm

Function.

It adopts

the

directly

driven

digits

microprocessor

and

dual-integral

A/D

converter,

which

provide the high

resolution,

high accuracy displaying

driver.

Because of

its

outstanding

functions

the instrument

excellent

tool

and most

suitabl e

for

lab,

factory,

maintenance

and

repair

users.

二、 Open-Package

Open-Package

Inspection

Open the gift box and take out the instrument, carefully check the

following accessories. If any accessory is missed or damaged, please

contact the manufactory at once.

● Digital Multimeter 1PC

● Operation Manual 1PC

●

Test

Leads 1SET

● Temperature Probe(K Type Thermocouple)

(Only VICTOR81B) 1PC

● AAA （1.5V ）7# Battery 2PCS

● Holster 1PC

三、

Safety

Note

The instrument

designed according

IEC1010 standard (safety

standard issued by International Electro technical Committee). Please read

the following before operation.

1. Caution

avoid the electric shock when measuring voltage higher

than 36V DC, 25AC, current higher than 10mA, AC power line with

inductance load and AC power line during the power fluctuation.

2. Before measuring, should check if the function knob

set in the

correct range and make sure the test leads connect reliably, link up

correctly, and insulate properly

avoid the electric shock

3. It meets the requirements of the safety standard only

use the

instrument with the equipped test leads. If the test leads are broken,

should replace them by the same type and same electric specification

test leads.

4. Do not replace the inside fuse by the unconfirmed one. Only replace

it by the same type and specification fuse. Before replacement,

should keep the test leads off the tested point

make sure there

any signal at the input terminal.

5. Do not replace the inside batteries by the unconfirmed one. Only

replace them by the same type and specification batteries. Before

replacement, should keep the test leads off the tested point

make

sure there

any signal at the input terminal.

6. When measuring electricity,

not connect the body with the ground

directly, and

not touch the possible exposed metallic terminal,

output socket or lead clamp with ground potential. Usually use the

dry cloth, rubber overshoes, rubber cushion and other insulated

materials

keep the body isolated with the ground.

7. Do not store and use the instrument in high humility, high

temperature, combustible, explosive and strong magnetic places.

8. It

possible

damage the instrument and endanger the safety of the

users when measuring the voltage over the limit. The allowed

maximum voltage

printed on the front panel of the instrument,

not measure the value over the standard safety voltage,

not input

the range limit specified

void the electric shock and instrument

damage.

9. Do not measure any voltage when connecting the test leads with the

current terminal

avoid damaging the instrument and endangering

the safety of the users.

10. Do not try

calibrate or repair the instrument, should operate it by

the specially trained or qualified professional people.

11. The function/range selection knob should be set in the correct range

when measuring. When switching the function/range selection knob,

keep the test leads off the tested object

make sure there

any

signal at the input terminal. Do not switch the f unction/range

selection knob when measuring.

12. When LCD displays “ ”

please replace the batteries in time

make sure the measuring accuracy.

13. Do not allow

measure the voltage when connecting the test leads

with the current terminal!

14. Do not try

modify the inner circuit at will

avoid damaging the

instrument and endangering the safety of the users.

15 ．

Safety Symbol Description

：

四、

Front

Panel

Button

Function

Description

1. Instrument Model Number

2.LCD Display ：Display the measured data and unit.

3.Function Button

3.1.MAX （Max

Value

Hold

）

: Press the button, the reading

renewe d

and the max value

held on LCD.

3.2.SELECT （Function Switch

）：

Press the button, DC/AC mode,

/ , ℃/℉performance switch.

3.3.HOLD

（Data Hold

）：

Press the button, the reading

locked, press t he

button again, the lock

cleared.

3.4.RANGE （Auto/Manual Range Switch ）: Auto Range

the original

states, press the button

switch

the Manual Range. At the Manual

Warning!

DCA

High

Voltage

Dangerous!

ACA

GND

DCA

ACA

Dual

Insulation

Meets

the

direction

European

IEC

Low

Battery

Fuse

Range mode, press the button once, the range

switched

the higher

one, press the button again

switch the range

the lowest one when

measuring the highest range, the cycle

in proper order from low

high. Keep pressing the button for 2 sec., return

Auto Range mode.

4.Knob Switch ：Change the measuring

function and range 。

5.Input Terminals

5.1.Current 、V oltage 、Diode 、

Resistance 、Buzzer 、

Temperature “ - ” Input terminal.

5.2.10A “ + ” input terminal.

5.3.V oltage 、Diode 、Resistance 、

Buzzer 、Temperature and Current

less than 200mA “ + ” input terminal.

五、 Other

Other

Functions

Stop working for 15 seconds during measurement, the instrument will be

auto power off (sleeping mode)

save the power; in the auto power offer

mode, press any function button or change the knob switch, the instrument

will get into the auto power on mode (working mode); the auto power offer

mode will be cancelled by pressing the HOLD button

turn on the

instrument.

六、

Property

．

General

Property

1-1 ．

Display

：LCD

1-2 ．Max

Display

：1999 （3 1/2 ）

counts

automatic polarity display

and

unit

display

1-3 ．Measuring Method ：

Dual integral

A/D converter

1-4 ．

Sampling

Rage ：

Approx.

times

sec.

1-5 ．

Over range Indication

：

Display

“ OL ”

1-6 ．

Low Battery Indication

：“ ”

symbol

appearance

；

1-7 ．

Operation

Environment

：（

0～40 ） ℃ ，

Relative

Humidity: ＜80% ；

1-8 ．

Storage

Environment

：（

0～50 ）℃，

Relative

Humidity: ＜80% ；

1-9 ．Power ：

2pcs

1.5V

batteries

（“ AAA ” 7#

battery

）；

1-10 ．Dimension （size

）：

145 × 74 ×

36mm

1-11

．

Weight

：

Approx.

185g （

Including

2pcs

1.5Vbatteries

）

1-12

．

Accessories

：

1pc

operation

manual

，

Holster

、

1pc

gift

box

，

set

10A

lest

leads

、1pc

Type

Temperature

Probe

TP01

(only

VICTOR81B) and

2pcs

1.5

batteries

。

．

T echnical

Property

2-1 .

Accuracy:

± (% ×

reading

＋

digits)

，

(23 ± 5) ℃ ，

relative

humidity ＜75%

，

One

year

calibration

guarantee since the time dispatched

from

the

factory.

。

2-2 .

Performance

（note “▲”

indicates

the instrument

has

the function

）

Model

Function

VICTOR81A

VICTOR81B

DCV

▲

ACV

▲

DCA

▲

ACA

▲

Diode/Continuity

▲

Celsius/Fahrenheit ℃/℉

▲

2-3.Technic Specification (note “ * ” indicates the instrument does not have

the range)

2-3-1.DCV

Insert

the red

and

black

test

leads

separately

and COM

input

terminals.

Turn

the

knob

switch

Range,

press

“ SELECT ”

button

switch

DCV

measurement

mode.

This range

200mV,

The reading

measure the voltage less than

200mV

much accurate and stable than the reading measured in the

Range “ ” .

Turn the knob switch

“”Range.

Auto range mode

the original states, it displays “ AUTO ” symbol, Press

“ RANGE ” button

switch

Manual range mode, can select 200mV

、

2V 、20V 、200V 、600V Range.

Connect the test leads

the tested point, the voltage and polarity of

point connected by red lead will be displayed on LCD.

Note

：

At the Manual Range mode, if “ OL ”

displayed on LCD, it indicates the

tested voltage value has exceeded the present range limit, please select

the higher range

complete the measurement.

Do not measure the voltage higher than

600V.

Otherwise, there

the

danger

damage the instrument.

When measuring the high voltage, caution

avoid the body touches the

high voltage.

Input Impedance ：>10M Ω at Range 200mV

40M Ω at other Ranges 。

Overload Protection ：600V AC or 600V AC Peak Value ；

2-3-2.

ACV

1. Insert

the red

and

black

test leads

separately

and COM

input

terminals.

Turn

the

knob

switch

Range,

press

“ SELECT ”

button

switch

ACV measurement

mode.

This range

200mV,

The reading

measure the voltage less than

200mV

much accurate and stable than the reading measured in the

Range “ ” .

4.Turn the knob switch

“”Range.

5.Auto range mode

the original states, it displays “ AUTO ” symbol,

Press “ RANGE ” button

switch

Manual range mode, can select

200mV 、2V 、20V 、200V 、600V Range.

6．Connect the test leads

the tested point, the voltage and polarity of

point connected by red lead will be displayed on LCD.

Note

：

At the Manual Range mode, if “ OL ”

displayed on LCD, it indicates the

Accuracy

Range

VICTOR81A

VICTOR81B

Resolution

200mV

± (0.5%+4d)

100uV

1mV

20V

10mV

200V

100m A

600V

± (1.0%+4d)

tested voltage value has exceeded the present range limit, please select

the higher range

complete the measurement.

Do not measure the voltage higher than

600V.

Otherwise, there

the

danger

damage the instrument.

When measuring the high voltage, caution

avoid the body touches the

high voltage.

Input Impedance ：>10M Ω at Range

200mV,

40M Ω at other ranges 。

Overload Protection ：600V DC or 600V AC Peak Value ；

Frequency Response

：（

50 ～200 ）Hz

Display ：Average value response (RMS of sine wave) .

2-3-3.

DCA

Insert

the

black

test

lead

the

COM

input

terminal,

and

red

test

lead

input

terminal

(max 200 mV

)

10A

input

terminal

(max 10A).

Turn

the

knob

switch

Current

Range,

press

“ SELECT ”

button

switch

DCA

measurement

mode.

Connect the test leads

the tested point in

series, the current value and polarity of point connected by red lead will

be displayed on LCD simultaneously.

Press “ RANGE ” button

select auto or manual range mode.

Accuracy

Range

VICTOR81A

VICTOR81B

Resolution

200mV

± (1.5%+20d)

100uV

± (0.8%+6d)

1mV

20V

10mV

200V

100mV

600V

± ( 1.0 %+6d)

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