Velleman DVM870 Manual de usuario

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DVM870 Rev. 01

04.02.2010 ©Velleman nv

04.02.2010

1. Int

To all re

Importa

If in dou

Thank yo

bringing

install or

2. Us

roduction

idents of the

t environmen

his symbol on t

he device after i

ispose of the u

hould be taken

This device sho

recycling servic

bt, contact yo

for choosing V

his device into s

use it and conta

d Symbols

C (Alternating

C (Direct Curre

oth AC and DC

isk of Electric

ossible.

aution: risk o

nformation.

arning: a haz

or de

aution: conditi

meter

ouble insulatio

arth

use

apacitor

iode

ontinuity

DVM87

USER MA

uropean Unio

al information

e device or the

ts lifecycle could

it (or batteries)

o a specialized

ld be returned t

. Respect the lo

r local waste

lleman! Please

rvice. If the de

t your dealer.

urrent)

nt)

shock. A poten

danger, refer t

rdous condition

on or action tha

r equipment un

(class II-protec

UAL

about this pro

package indicat

harm the envir

as unsorted mu

ompany for rec

your distributo

al environment

isposal author

ead the manual

ice was damag

ially hazardous

o the user manu

or action that m

may result in d

der test

tion)

Rev.

©Velleman

uct

s that disposal

nment. Do not

icipal waste; it

cling.

or to a local

l rules.

ties.

thoroughly befo

d in transit, don

oltage is

al for safety

ay result in inju

mage to the

04.02.2010

3. Sa

4. Ov

DMMs ar

overvolta

bursts of

power lin

The existi

CAT I

CAT II

CAT III

ety Instruct

WARNING: To

leads prior to o

only use batteri

this manual.

Remark: refer

For indoor use o

splashing and d

Keep the device

Risk of electri

measuring live

There are no us

Refer to an auth

This is an inst

instrument. N

environment. R

rvoltage/i

categorized de

e that might oc

energy induced i

ng categories a

CAT I-rated m

lectronic circuit

.g. electronics

CAT II-rated

nvironments an

he mains by me

nvironment, pr

AT III- or 20m

ppliances, port

CAT III-rated

AT II-environm

ono- or poly-p

rom of a CAT IV

istribution level

vens).

DVM87

ions

void electrical s

ening the housi

s and fuses wit

o the warning o

nly. Keep this d

ipping liquids.

away from child

shock during

ircuits.

-serviceable p

orized dealer fo

llation catego

ver use this eq

fer to §4 Over

stallation c

ending on the ri

cur at the point

n a system, e.g.

cording EN 610

ter is suitable f

that are not di

ircuits, control s

eter is suitable

d mono-phase a

ans of a plug an

vided that the c

part from a CA

ble tools…

eter is suitable

nts, as well as

ased appliances

-environment, a

equipment (fus

hock always di

o prevent d

the same ratin

the battery co

vice away from

ren and unautho

peration. Be v

rts inside the d

service and/or

y CAT II meas

ipment in a CA

oltage/install

tegory

sk and severity

f test. Transien

caused by light

0-1 are:

r measurement

ectly connected

gnals…

or measuremen

pliances that a

circuits in a no

ircuit is at least

IV-environmen

for measureme

or measuremen

which are at le

d for measure

boxes, lighting

Rev.

©Velleman

connect the test

mage or injury,

s as specified in

partment [10].

rain, moisture,

rised users.

ry careful when

vice.

pare parts.

ring

III or CAT IV

tion category.

f transient

s are short-live

ing strike on a

on protected

o mains power,

s in CAT I-

e connected to

mal domestic

0m apart from

. E.g. househol

ts in CAT I- and

s on (fixed)

st 10m apart

ents in or on

circuits, electric

DVM870 Rev. 01

04.02.2010 ©Velleman nv

CAT IV A CAT IV-rated meter is suitable for measuring in CAT I-, CAT II-

and CAT III-environments as well as on the primary supply level.

Note that for all measurements on equipment for which the supply

cables run outdoors (either overhead or underground) a CAT IV

meter must be used.

Warning: this device was designed in accordance with EN 61010-1

installation category CAT II 600V. This implies that certain restrictions in use

apply that are related to voltages and voltage peaks which can occur within

the environment of use.

•This device is suitable for measurements up to 600V in CAT II:

measurements in CAT I-environments and mono-phase appliances that

are connected to the mains by means of a plug and circuits in a normal

domestic environment, provided that the circuit is at least 10m apart from

a CAT III- or 20m apart from a CAT IV-environment. E.g. household

appliances, portable tools…

5. General Guidelines

Refer to the Velleman®Service and Quality Warranty on the last pages

of this manual.

•Familiarise yourself with the functions of the device before actually using

it.

•All modifications of the device are forbidden for safety reasons. Damage

caused by user modifications to the device is not covered by the warranty.

•Only use the device for its intended purpose. Using the device in an

unauthorised way will void the warranty.

•Damage caused by disregard of certain guidelines in this manual is not

covered by the warranty and the dealer will not accept responsibility for

any ensuing defects or problems.

•Protect this device from shocks and abuse. Avoid brute force when

operating.

•Protect the device against extreme heat (e.g. direct sunlight) and dust.

•Do not store or use the devices in places with high humidity or

temperature, places where combustible or explosive gasses reside or near

strong magnetic fields.

•Caution:risk of electroshock when measuring voltages > 36VDC, 25VAC,

currents > 10mA, AC power lines with inductance load and AC power lines

with fluctuating power.

•Only use the included test leads. When damaged, replace them with test

leads of the same type and with the same specifications.

•Always verify that all connections are reliable and safe.

•Before measuring, always check the selected range.

•Avoid body contact with ground potential (e.g. metallic terminals, output

sockets, lead clamp…) while measuring. Make sure to be electrically

insulated from ground during measurement.

DVM870 Rev. 01

04.02.2010 ©Velleman nv

•Always use the device within its specified range.

•Calibration and repair must be performed by a qualified technician. Refer

to your local dealer.

•Never attempt to measure voltages when a current measuring range is

selected.

6. Features

•3 1/2 Digit LCD display with automatic polarity indication and settings

information

•automatic or manual range selection

•data hold function

•continuity and diode test

•peak hold function

•auto-restore fuse (except 10A range)

•conform with IEC1010 CAT II (residential branch circuits) 600V

7. Overview

Refer to the illustrations on page 2 of this manual.

1 LCD display, 3 full digits and 1 half (max. range 1999)

2 MAX: hold max value on LCD

3 SELECT: function switch

4 HOLD: lock the current reading

5 RANGE: for manual range selection

Disconnect from live circuit before changing!

6 Rotary switch: to select type of measurement

7 COM: common input terminal

8 10A: input terminal for high currents

9 VmA: input terminal for current <200mA and all other measurements

10 battery compartment

11 screw (4x) to open housing (located under protective cover)

12 location of fuse

13 stand

04.02.2010

8. Us

GENERAL

•When

in aut

•

he di

a high

•Do no

("VΩm

only h

•

he de

secon

AC/DC V

•Conne

the "C

•Set th

positio

range

the id

•When

and D

•Conne

•Read t

the re

Rang

200m

AC/DC C

•Conne

to the

measu

•Set th

and us

•Open t

test le

•Read t

LCD di

Risk of electri

measuring live

he range of the

-range mode, a

play shows “OL

”

r range to conti

measure volta

" jack [9]) or

ndle 10A for les

vice will go in sl

s. Press any but

LTAGE MEASUR

t the red test le

M" jack [7].

rotary switch [

n. If the voltage

witch in the hig

al resolution is

is selected,

voltage.

t the test leads

e voltage value

lead connectio

Resolution

100µV

1mV

RRENT MEASU

t the red test le

"COM" jack [7].

rements betwee

rotary switch [

e the select butt

he circuit in whi

ds to the circuit

e current value

play.

DVM87

shock during

ircuits.

measured signal

d then select ra

”

when the prese

ue measureme

es > 600 V or c

0 A ("10A" jack

than 15 secon

ep mode when

on to re-activat

EMENT

d to the "VΩm

] in the desired

to be measured

est range positi

btained.

use the select b

o the source be

on the LCD disp

Range Reso

20V 10

200V 10

EMENT

d to the "VΩm

Connect the red

200mA and 10

] in the desired

n [3] to choos

h the current is

IN SERIES.

and the polarity

peration. Be v

is unknown, sta

ge according to

nt range limit is

rrent higher th

[8]). Note that

o activity is det

" jack [9] and t

ACV or DCV (

is unknown befo

on and then red

tton [3] to cho

ng measured.

lay [1] along wi

ution Range

V 600V

" jack [9] and t

lead to the "10

ACA or DCA (

between AC an

to be measured

of the red lead

Rev.

©Velleman

ry careful when

rt measurement

indicated value.

exceeded. Selec

n 200mA

he meter can

cted for ±15

e black lead to

, , )

rehand, set the

ce gradually un

se between AC

h the polarity o

Resolution

e black test lea

" jack [8] for

, , )

DC current.

and connect the

onnection on th

DVM870 Rev. 01

04.02.2010 ©Velleman nv

Range Resolution

Range Resolution Range Resolution

200µA 0.1µA 20mA 10µA 10A 10mA

2mA 1µV 200mA 100µA

RESISTANCE

•Connect the red test lead to the "VΩmA" jack [9] and the black test lead

to the "COM" jack [7] (the red lead has a positive polarity "+").

•Set the rotary switch [3] in the "Ω" range position.

•Connect the test leads to the resistor to be measured and read the LCD

display.

•If the resistance being measured is connected to a circuit, turn off the

power and discharge all capacitors before applying the test probes.

Note: wait a few seconds for a stable reading when measuring resistors >

1M.

Range Resolution

Range Resolution Range Resolution

2000.120K102M1k

2k1200k10020M10k

DIODE TEST AND AUDIBLE CONTINUITY TEST

•Connect the red test lead to "VΩmA" jack [9] and the black one to the

"COM" jack [7] (the red lead has a positive polarity "+").

•Set the rotary switch [6] in the position and use the select button

[3] to choose between diode or continuity test. Do not apply input

voltage at this setting!

•For diode tests, connect the red test lead to the anode of the diode to be

tested and the black test lead to the cathode of the diode. The approx.

forward voltage drop of the diode will be displayed. If the connection is

reversed, the display will show “OL”.

•For continuity tests, connect the test leads to two points of the circuit to

be tested. If continuity exists, the built-in buzzer will sound.

Notes: forward DC current: ±0.5mA

backward DC voltage: ±1.5V

open circuit voltage: ±0.5V

buzzer sounds when resistance < 50

TEMPERATURE

•Set the rotary switch [6] in the °C/°F position and use the select button

[3] to choose between °C and °F. Do not apply input voltage at this

setting!

•Insert the cathode (black pin) in the "COM" jack [7], and the anode (red

pin) in the "VΩmA" jack [9].

•Use the other end of the thermocouple to measure temperatures.

04.02.2010

•Do not

9. In

•When t

batteri

•Alway

device

•

he ba

one scr

•Remov

as indi

same t

•Reinsta

•Do not

10. Re

•Alway

device

•Remov

housin

•Remov

specifi

•Close t

•

o test

black t

Bring t

is OK; i

Note:

change the pro

talling/repl

WARNING: to

before opening

use batteries an

manual.

e low battery i

disconnect test

ithout batterie

tery cover is loc

ew. Remove the

the batteries a

ated in the batt

pe (AAA) and s

ll the cover and

echarge alkaline

ARNING: hand

attery casing.

egulations.

eep batteries a

lacing fuse

There are no us

Refer to an auth

disconnect test

ithout the fuse

the protective

the blown fuse

cations (

fuse: 5

e battery comp

the fuse, conne

st lead to the "

sition and use t

e tips of the tes

f not the fuse is

he 200mA fuse i

DVM87

e, as this will in

cing batter

void electrical s

he housing. To

fuses with the

dication (

)

leads when repl

installed.

ted on the bac

screw and open

d insert two ne

ry holder. Only

ecifications; do

ecure it with th

atteries and do n

e batteries wit

ispose of batter

ay from childr

-serviceable p

orized dealer fo

leads when repl

installed.

over and releas

[12] and insert

20mm F10A 250

rtment and repl

t the red test le

0A" jack [8]. S

e select button

leads together;

faulty.

s a resettable fu

luence measuri

ock always re

revent damage

same ratings as

pears, replace

acing the batter

of the device a

the battery com

batteries follo

se new alkaline

not use recharg

screw.

ot throw in fire as

care, observe

ies in accordan

rts inside the d

service and/or

acing the fuse.

the 4 screws [

a new fuse wit

ace the protecti

d to the "VΩmA

t the rotary swi

[3] to choose c

when the mete

se that can not

Rev.

©Velleman

g accuracy.

ove test leads

r injury, only

specified in this

he internal

.Do not us the

d is closed with

partment.

ing the polarity

batteries of the

eable batteries.

they may explod

arnings on

e with local

vice.

pare parts.

o not use the

1] to open the

the same

e cover.

" jack [9] and t

ch [6] in the

ntinuity test.

buzzes, the fus

e replaced.

DVM870 Rev. 01

11. Troubleshooting

No display

check whether power is on

replace battery

check fuse

appears replace battery

OL appears select appropriate range

make sure measured value is within limits

impossible value replace battery

12. Technical specifications

DC voltage 0.2/2/20/200/600V

basic accuracy ±(0.5% of rdg + 4 digits)

±(1.0% of rdg + 4 digits) for 600V range

input impedance > 10M

maximum input 600V

AC voltage 0.2/2/20/200/600V

basic accuracy ±(0.8% of rdg + 6 digits)

±(1.5% of rdg + 20 digits) for 0.2V range

input impedance > 10M

frequency range 50-200Hz

maximum input 600V

DC current 200µ/2m/20m/200m/10A

(max. line voltage 230V)

basic accuracy ±(1.0% of rdg + 10 digits)

±(1.2% of rdg + 10 digits) for 10A range

overload protection 0.2A (10A for 10A range)

AC current 200µ/2m/20m/200m/10A

(max. line voltage 230V)

basic accuracy ±(1.5% of rdg +10 digits)

±(2.5% of rdg + 15 digits) for 10A range

overload protection 0.2A (10A for 10A range)

resistance 200/2k/20k/200k/2M/20M

basic accuracy ±(0.8% of rdg + 5 digits) for 200ohm range

±(0.8% of rdg + 4 digits) for 2K~2Mohm range

±(1.2% of rdg + 10 digits) for 20Mohm range

overload protection 250V

temperature -55°C to 1000°C

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