Velleman DVM20FGCN2 User Manual [en, de, es, fr]

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DVM20FGC

2

© COPYRI
This manu

No part of
the prior w

© AUTEU
Velleman

Alle wereld
kopiëren, t
toestemmi

© DROITS

SA Vellem

Tous droits
cette notic
l’ayant droi

© DEREC

Velleman

Todos los d
manual del

© URHEB
Velleman

Alle weltwe
Bedienung

19.04.2011

GHT NOTICE
al is copyrighted

his manual may b

itten consent of th

SRECHT

v heeft het aute

ijde rechten voor

vertalen, te bewe

g van de rechtheb

D’AUTEUR

n est l’ayant dr

mondiaux réservé
par quelque proc
.

OS DE AUTOR

V dispone de lo

erechos mundiales

usuario o partes d

RRECHT

V besitzt das Ur

iten Rechte vorbeh

anleitung ganz od

The copyright t

copied, reproduce

copyright holder.

rsrecht voor de

ehouden. Het is ni

rken en op te slaa

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. Toute reproducti

dé ou sur tout sup

derechos de au

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ello sin previo pe

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this manual is o

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e handleiding.

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1. Int

To all res
Importan

Thi
the
to
rec

If in dou

Thank you
service. If

This versa
different

The devic
controlled
adjustable
the intern

Accessori

2. Saf

oduction

dents of the Eu

t environmenta

symbol on the d

environment. Do

specialized com

cling service. Re

t, contact your

for buying the D

the device was d

ile and user-frien
aveforms: sine, s

is equipped with
frequency”). The

and can be inver

l and external fr

es: instruction m

ty Instruc

U

opean Union

information ab

evice or the pack

not dispose of th

any for recycling
pect the local en

local waste dis

M20FGCN!! Ple

maged in transit

dly function gene
quare, triangle, p

a function where

DVM20FGCN is

ed. DC level can

quency.

nual, input cabl

ions

DVM20FGC

ER MA

out this produc

ge indicates that

unit (or batterie

This device sho

ironmental rules

osal authoritie

se read the man

don't install or u

rator is supplied

ositive & negativ

the frequency is

lso equipped wit

be adjusted conti

, power cord, fus

2

UAL

disposal of the d
s) as unsorted m
ld be returned to

.

al thoroughly be
e it and contact

ith a plastic case

pulse, positive

ontrolled via the

a TTL sync. out

uously. The freq

+ spare fuse (in

vice after its life
nicipal waste; it

your distributor

ore bringing this

our dealer.

. The device can
negative ramp.

input tension (V

ut. The wavefor

ency counter ca

side fuse holder)

ycle could harm

should be taken

r to a local

device into

roduce 7

F or “voltage-

symmetry is
display both

3. Ge

Refer to th

•

Famili

•

All mo
devic

•

Only

•

Dama
dealer

•

Keep

•

Alwa

•

It is v
temp
suffici

4. Fea

• comp

• gener

• pulse

• with

• count

19.04.2011

Keep the de

Indoor use

Always disc
activities ar

Risk of ele

electroshoc

There are no
and/or spare

eral Guidel

e Velleman® Se

Keep this de

Protect this

rise yourself wit
difications of the
is not covered b

se the device for

e caused by disr
will not accept r

his manual for fu

s respect the sig

ry important to
rature will have a

ntly long before

tures

sed of a signal g

tes sine, square,

idth and ramp s

CF and DC offset

r can be used to

ice away from c

only. Keep this d

nnect mains pow
performed. Han

troshock when

s. Do not open th

user-serviceable
parts.

ines

vice and Qualit

vice away from d

evice from shoc

the functions of

device are forbid

the warranty.

its intended purp

gard of certain g

sponsibility for a

ure reference.

al limits of this d

eep the inner te

n impact on the

se (> 2 hours) a

nerator and a di

triangle, positive

ope adjustable
function
measure frequen

ildren and unaut

vice away form r

r when the devi

le the power cor

pening the cover

e housing yoursel

arts inside the d

Warranty on t

st and extreme

s and abuse. Avo

the device before

en for safety rea

se. Using the de

uidelines in this

y ensuing defect

evice; refer to §

perature of the

enerated frequen

s during operatio

ital counter (6 di

and negative pul

y externally

3

orised users.

in, moisture, spla

e is not in use or

by the plug only

. Touching live wi
f. Have the devic

vice. Refer to an

e last pages of t

eat.

id brute force wh

actually using it.

ons. Damage ca

ice in an unauth
anual is not cov

or problems.

Technical spec

evice constant a

cy. It is recomm

the internal co

its)
e, positive and n

shing and drippin

when servicing o
.

es can cause life

repaired by qua

uthorized dealer

is manual.

n operating the

sed by user mod

rised way will vo

red by the warra

fication.

the slightest cha
nded to switch o

ponents heat up

egative ramp, TT

liquids.

maintenance

threatening

lified personnel.

or service

evice.

fications to the

d the warranty.

ty and the

nge in

the generator

themselves.

pulse

©Velleman nv

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5. Pa

Refer to th

1 Dis
2 uni
3 OV
4 GA

5 RA

6 FU
7 AT

8 FR

9 RA

10 AM

11 DC

12 CM
13 SY

14 VC
15 OU
16 PO

po

17

fus

18 AC
19 EX
20 AT

EX

21

INP

6. Op

The functi
to observe

1. Triangl

a) Fi
b) C

c) A

2. Pulse

a) P
b) P

3. Ramp

a) P
b) P

4. TTL/CM

a) S
b) C
c) N

d) T

el Descript

e illustrations on

lay The

s uni

R Lig

E Thi

GE

CTION

Pre

QUENCY Use

P/PULSE

LITUDE Use

OFFSET

S LEVEL

C OUTPUT The
Thi

PUT

ER on/

er plug

holder
elector 230

/INT

EN –20dB Pre
counter

UT

ration

IMPORTANT: b

setting matches

NEVER change

n generator can

the waveform.
, Square and Sin

rst select a wave

ra

nge with the app

nnect the OUTP
just the AMPLIT

ess down the squ

ll out the RAMP/

ess down the tria

ll out the RAMP/

S

lect a proper ran
nnect the SYNC
w the output sig

th

e signal from 5V

get a fixed TTL

on

page 2 of this m

internally or ext

of display is indi

ts up when the f

indicator flashes
be used to selec

Can
rot

ry control [8].

elect the output

To
or

ulse with the pus

s this button for

d in combination

n the knob is pul

Wh
dut

cycle of the pul

metrical.

this knob to adju

Wit

this knob in the

tur

ing it clockwise (

pre

sed down.
n the knob is in

Wh
pre

sed in, the synch

output wavefor

input is used to

jack sends out t

Thi
The

output impedanc

ff switch

er cable input so

po
fus

: F1A/250V (5x2
V/115Vac selecto

n the button is p

Wh
rele

ased, the device

s this button to

t terminal for th

Inp

fore connecting

our local mains

the setting duri

rovide various ki

wave

orm (sine – squa

opriate range bu

T jack [15] to a

DE knob [10] to

are wave button

ULSE knob [9] a

ngle wave button

ULSE knob [9] a

e [5] and set th

UTPUT [13] to
al is CMOS squa

14V.

quare wave, pull

DVM20FGC

nual.
rnally generated

ated by a LED (

equency is beyon

when the counte

a frequency ran

aveform (sine –

h/pull rotary kno

0dB attenuation

ith the RANGE-

led, the symmetr

e can also be adj

st the output am

pulled-out positi

) or anticlockwi

he pulled-out po
ronizing signal is

is a TTL pulse th

ontrol the frequ
e signal of the s

e is 50Ω.

ket

mm)

r

essed, the devic

easures the int

ttenuate an exte

external counte

he DVM20FGCN

ower system (11

ng operation.

nds of waveform

e – triangle) by
ton [5]. Adjust t
oscilloscope (no

control the ampli

6], select a prop

nd rotate it to adj

[6], select a pro
nd rotate it to adj

e desired frequen

n oscilloscope (n
e wave. Rotate t

out the CMOS LE

2

requency is displ
Hz – KHz – Hz)

d the selected ra

is working.
e (7steps) in co

square – triangle

RAMP/PULSE [9
(released, there i
uttons [5] to sel

is adjustable an
sted (20~80%).

litude.

n you can set th

e (-). The DC vol

ition, the Synchr
CMOS and amplit

t can be used as

ncy through an e

lected waveform

measures an ex
rnal frequency.
nal signal by 20d

signal.

to the mains, ma

0 or 230Vac).

. An oscilloscope

ressing one of th

e knob FREQUE

incl.) to observe

ude of the wave

er range [5], an
ust the width of t

er range [5], an

ust the slope of t

cy [8].

t incl.) to observ
e CMOS LEVEL [

EL knob [12].

yed.

ge.

bination with the

. Select a positiv

.

s no attenuation

ct the output fre

the slope of the

If pushed in, the

DC voltage of an

age is 0 when th

nizing signal is T

ude is adjustable

a synchronising

ternal source.

in the selected fr

ernal frequency.

.

ke sure the AC s

(not incl.) is one

buttons [6]; sel

CY [8] to set de
the output signal

orm.

set the desired f

he pulse.

d set the desired

e ramp.

the output wav
2] to change th

FREQUENCY

/negative ramp

0dB).

uency.

ramp and the

waveform is

y waveform by

knob is

L pulse; when

ignal.

quency range.

When it is

lector [18]

f the best way

ect a frequency

ired frequency.

.

requency [8].

frequency [8].

form.
amplitude of

19.04.2011

4

©Velleman nv

DVM20FGCN2

5. External Voltage control output frequency

a) Press down the square wave button [6], select a proper range [5] and set the desired frequency [8].
b) Attach an external control voltage (0 to +10V regardless of polarity) to the VCF input jack [14]; the

signal is available from terminal OUTPUT [15]. The user can now control the output frequency by
adjusting the external DC voltage.

6. External Frequency Counter

a) Set the EXT/INT selector [19] on the rear panel to EXT mode and connect the external signal to the Ext

counter input jack [21].

b) When the input signal is too strong, use the attenuation button [20] to attenuate the signal by 20dB.

7. Technical specifications

Frequency Range 0.1Hz~2MHz in 7 steps

Waveform

Rise and Fall Time (square waveform) < 100ns

Sine Waveform

TTL/CMOS Output

Output

Symmetry Adjustment Range 90 : 10 ~ 10 : 90

VCF Input

Frequency Counter

Power Source 230Vac/115Vac ±10%, 50-60Hz ±2Hz
Ambient temperature 0 – 40°C
Humidity max. RH90%
Atmospheric Pressure 86kPa ~ 104kPa
Size (L x B x H) 262 x 85 x 260mm
Weight 1.8kg

Use this device with original accessories only. Velleman nv cannot be held responsible in the event of
damage or injury resulted from (incorrect) use of this device. For more info concerning this product
and the latest version of this user manual, please visit our website www.velleman.eu. The
information in this manual is subject to change without prior notice.

Distortion < 1% between 10Hz~100KHz

Frequency Response

TTL Low Level < 0.4V
TTL High Level > 3.5V
CMOS Low Level < 0.5V
CMOS High Level 5V to 14V, continuously adjustable
Rise Time < 100ns
Impedance
Amplitude > 20Vp-p (no load)
Attenuation 0dB, 30dB
DC Offset from 0 to + 10V, adjustable continually

Input Voltage -5V to 0V ± 10%
Max. VCF Ratio 1000 : 1
Input Signal DC ~ 1KHz
Measuring Range 1Hz ~ 10MHz
Input Impedance ≥ 1MΩ / 20pF
Sensitivity 100mVrms
Max. Input 150V (AC + DC) (with attenuator)
Input Attenuation 20dB
Measurement Error

sine, square, triangle, positive & negative pulse, positive & negative
ramp

< ± 0.5dB between 0.1Hz~100KHz, < ± 1dB between
100Hz~2MHz

50Ω ± 10%

-5

≤ 3 x 10

± 1 word

19.04.2011 ©Velleman nv

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GEBRUI

DVM20FGC

ERSHA

2

DLEIDI

G

1. Inl

Aan alle i
Belangrij

Hebt u vr

Dank u vo
beschadig

Deze multi
gebruikers
en negatie

Het toeste
beschikt b
aangepast
interne als

Accessoir

zekeringh

2. Vei

3. Alg

Raadpleeg

iding

gezetenen van

e milieu-infor

it symbool op he
eggeworpen, dit

b

atterijen) niet bij

t

rechtkomen voo

b

rengen. Respecte

gen, contactee

r uw aankoop! L
tijdens het tran

functionele functi
vriendelijk. Het t
ve pulsen, stijge

is uitgerust met

vendien over ee

en geïnverteerd.

de externe frequ
es: handleiding, i

uder

igheidsinst

Houd buiten

Gebruik het
vloeistoffen.

Trek de ste
het niet geb

Elektrocuti

staan om do
over aan ge

Er zijn geen
reserveonde

mene rich

de Velleman® s

de Europese U

atie betreffend

toestel of de ver

oestel schade ka
het gewone huis
recyclage. U mo

r de plaatselijke

r dan de plaats

es deze handleid

port, installeer h

egenerator wordt

estel kan 7 versc

de of dalende fla

een functie waar

gesynchronisee

Het DC-niveau k

ntie weergeven.

ngang-/uitgangs

ructies

het bereik van ki

toestel enkel bi

ker uit het stopc

uikt.

gevaar bij het

delijke elektrosh

choold personeel
door de gebruike

rdelen, contactee

lijnen

rvice- en kwali

ie

dit product

akking geeft aa
toebrengen aan

oudelijke afval;

t dit toestel naar

milieuwetgeving.

lijke autoriteit

ing grondig voor

t dan niet en raa

geleverd met ee

hillende golfvorm

k.
ij de frequentie

de TTL-uitgang.

n doorlopend wo

abel, voedingska

deren en onbev

nenshuis. Besch

ntact (trek niet a

penen van het to
cks te vermijden.

.

vervangbare on
uw dealer.

eitsgarantie ac

dat, als het na z

het milieu. Gooi

et moet bij een g

uw verdeler of n

n betreffende d

het toestel in g

pleeg uw dealer.

plastieken behui

n weergeven: si

ordt geregeld via

e symmetrie van

den aangepast.

el, zekering en r

egden.

erm tegen regen,

n de kabel!) voo

stel. Raak geen

Open de behuizi

erdelen in dit to

teraan deze han

jn levenscyclus

it toestel (en ev

especialiseerd be

ar een lokaal rec

e verwijdering.

bruik neemt. We

zing en is zeer

us, blokgolf, drie

de ingangsspann
de golfvormen k

e frequentietelle

servezekering (

vochtigheid en o

dat u het toestel

abels aan die on
g niet zelf en laa

stel. Voor onderh

leiding.

ordt

ntuele

rijf
clagepunt

d het toestel

hoek, positieve

ing (VCF). U

n worden

kan zowel de

,5 A) in de

spattende

reinigt en als u

er stroom

reparaties

oud of

• Leer eer

• Om veili

aangebr

• Gebruik

• De gara

zal de v

• Bewaar

• U mag d

• Het is b

tempera
ongevee

4. Eig

• bestaat

• golfvor

• regelbar

• met VC

19.04.2011

t de functies van

heidsredenen m

cht valt niet ond

het toestel enkel

tie geldt niet vo
rantwoordelijkhe
eze handleiding

e maximaal toeg

langrijk dat de b
tuurstijging of -d
r 2 uur voor gebr

nschappe

it een signaalge

en: sinus, blokg

e pulsbreedte en

- en DC-offsetfun

Bescherm t

Bescherm t

gen stof en extre

gen schokken en

het toestel kenn

g u geen wijzigi
r de garantie.

waarvoor het ge

r schade door he

id afwijzen voor

oor verdere raa

laten signaalwaa

drijfstemperatuu
ling de opgewek

ik in om het inte

erator en een di

lf, driehoek, posi

regelbare stijg- e

ctie

e hitte.

vermijd brute kr

n voor u het gaa

gen aanbrengen.

aakt is. Bij onoo

negeren van be

efecten of proble

pleging.

den nooit oversc

r binnenin de fun

e frequentie beïn
rne circuit voldoe

itale teller (6 digi
ieve en negatiev

daaltijden

6

cht tijdens de be

gebruiken.

Schade door wijz

deelkundig gebr
aalde richtlijnen i

en die hier rech

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