RuoShui VR-86D Manuale utente

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DIGITALMULTIMETER

OPERATION MANUAL

VR-86D

1、General

The instrument is a high performance, high accuracy, 3 5/6

digit multi-meter, it uses the LCD with 33mm high figure to

make the reading clear, the display simple and the operation

convenient.The instrument can measure DC and AC voltage,

DC and AC current, Resistance, Capacitance, Frequency, Duty

Circle, Transistor, Diode and Continuity test; And it also has

the features of Bar Graph, Unit Indication, Data Hold,

Relative Value Measurement (REL), USB Interface,

AUTO/MANUAL range selection, Auto Power Off and Alarm

Buzzer. The instrument adopts the directly driven 4 digits

microprocessor and dual-integral A/D converter, which

provide the high solution and high accuracy digital displaying

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driver. Because of its outstanding features, it is an excellent

tool and most suitable for lab, factory, maintenance and repair

users.

2、Open-package Inspection

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

the following accessories. If any accessory was lost or

damaged, please contact the manufactory at once.

Digital Multimeter 1pc

Operation Manual 1pc

Test Lead 1set

Temperature Cable 1pc

USB Cable 1pc

Software disc 1pc

Transistor test accessory 1pc

3、Safety Note The instrument meets the standard of

IEC1010 (safety standard promulgated by the

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International Electrician Committee). Design and

manufacture complied with the standard of Pollution

Degree 2.

Warning

To avoid endangering the safety of the users, should

read the operation manual carefully before operation,

and strictly abide by the safety warning information and

operation description to use the instrument.

1. Caution to avoid the electric shock when measuring

the voltage higher than 30V, the current higher than

10mA, AC Power Lines with Inductive Load and the

AC Power Lines during the period of Electric Power

Fluctuation.

2. Before measuring, should check if the function knob

is set in the correct range, make sure the test lead

connects reliably, links up correctly, and insulates

properly to avoid the electric shock

3. It meets the requirements of the safety standard only

to use the instrument with the equipped test lead. If

the test lead is broken, should replace it by the same

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type and same electric specification test lead.

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 lead off the tested point to make sure there is

no any signal at the input terminal.

5. Do not replace the inside battery by the unconfirmed

one. Only replace it by the same type and electric

specification battery. Before replacement, should

keep the test lead off the tested point to make sure

there is no any signal at the input terminal.

6. When measuring electricity, do not connect the body

with the ground directly, and do not touch the

possible exposed metal terminal, output socket or

lead clamp with ground potential. Usually use the

dry cloth, rubber overshoes, rubber cushion and

other insulated materials to keep the body isolated

with the ground.

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

high temperature, combustible, explosive and strong

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magnetic places.

8. It is possible to damage the instrument and endanger

the safety of the users when measuring the voltage

over the range limit. The allowed maximum voltage

is printed on the front panel of the instrument, do not

input the range limit specified to avoid the electric

shock and instrument damage

9. Do not measure any voltage when connecting the test

lead with the current terminal to avoid damaging the

instrument and endangering the safety of the users.

10. Do not try to 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 lead

off the tested object to make sure there is no any

signal at the input terminal. Do not switch the

function/range selection knob when measuring.

12. When LCD displays “ ”, please replace the

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battery in time to make sure the measuring accuracy.

13. Do not allow to measure the voltage when

connecting the test lead with the current terminal!

14. Do not try to modify the inner circuit at will to avoid

damaging the instrument and endangering the safety

of the users.

4、Safety Symbol Description

Warning

DCA

High Voltage!

Dangerous!

ACA

GND

DCA & ACA

Dual

Insulation

Meets the

direction of

European

IEC

Low Battery

Fuse

5、Front Panel Description

1.Instrument Model Number

2. LCD Display

3. Funtion key :Selecting measuring function .

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3-1.HOLD: Date Hold button, press the button,the value

is held on LCD; Press the button again,exit the hold

mode and get into the normal measuring status.

Press the button for more than 3 sec. to turn on/off

the backlight.

3-2. HZ/DUTY:

Frequency/

Duty Circle

selection

button,

press the

button to

switch

between the

Frequency

and Duty

Circle mode

at Frequency Range; Press the button to switch to

Voltage or Current/Frequency/Duty Circle model at

AC Voltage or AC Current Range.



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3-3.SELECT: button switch, press the button to switch

the measuring function.

3-4. MAX/MIN: Maximum, Minimum, press the button,

the instrument gets into the MAX mode, the

measuring maximum value will be held at this mode;

Press the button again to get into the MIM mode, the

measuring minimum value will be held at this mode.

At the MAX/MIN mode, the maximum or minimum

value will be held on LCD. Under this circumstance,

there are no Bar Graph and Auto Power Off function,

hold pressing MAX/MIN button for 2 seconds, exit

the MAX/MIN mode.

3-5. RANGE: Auto Range/ Manual Range switch, the

default is set as Auto Range mode when turning on,

press the button and switch to Manual Range. At the

Manual Range mode, press the button once, the

range is switched to the higher one, press the button

again to switch the range to the lowest one when

measuring the highest range, the cycle is in proper

order from low to high. Keep pressing the button for

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2 sec., return to Auto Range mode. There is no Auto

Range mode at Frequency and Capacitance range.

3-6. REL: Relative Value Measurement, press the button

to the mode of Relative Value Measurement, press

again to cancel the Relative Value Measurement,

circulated like this. Keep pressing the button more

than 2 seconds to switch to RS232, RS232 symbol

appears on LCD, it indicates the instrument is

getting into the status of data transmission. Keeping

pressing the button more than 2 seconds, RS232

symbol disappears, the data transmission is stopped.

4. Function/range selection knob: select the measuring

function and range

5. 10A current input terminal: Measuring AC/DC 10A

positive input terminal, insert red test lead.

6. uA/mA /℃input terminal: Measuring AC/DC

uA/mA and Temperature positive input terminal.

7. COM input terminal: negative input terminal, insert

the black test lead.

8. input terminal: measure Voltage,

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Frequency/Duty Circle, Resistance, Capacitance,

Diode and Continuity positive input terminal, insert

the red test lead.

6、Other function

1.Auto power off

After stop working for 15 seconds, the instrument

will auto power off, and get into the sleeping mode.

The buzzer inside will sound 5 times one minute

before powering off, there is a long sound one minute

later and the instrument gets into the sleeping mode.

Press any key to restart the power.

2.Press “REL/RS232”button to get into the Relative

Value Measurement mode, Keep holding

“REL/RS232” button more than 2 seconds, RS232

symbol is displayed on LCD, it indicates it is the

status of the instrument connecting with PC, then

connect the instrument to PC by USB Cable,

accessory of the instrument, and then can transmit the

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