Velleman EVM831 Manual do Utilizador descarregar pdf (Página 6)

28.04.2010

to volta

g

es an

d

Refer to the ta

This device i

s

• Protected el

e.

g

. electro

n

• circuits whi

c

• measure

m

mains b

y

• mono-ph

normal d

apart fro

m

househol

a distrib

u

This device i

s

• Volta

g

es ab

o

• measureme

behind

met

e

• measureme

CAT III or

C

circuits, bu

s

• Measureme

n

meter boxe

s

environmen

or circuits u

Thi

s

en

v

5. Pollutio

n

IEC 61010-1 s

p

different prote

c

environments

r

which is to be

f

and the enclos

which environ

m

Pollution

degree 1

No

po

l

en

c

Pollution

degree 2

On

co

n

off

i

Pollution

degree 3

Co

n

th

a

(in

bu

t

Pollution

degree 4

Th

e

du

s

en

v

fin

e

d

volta

g

e peaks whic

h

ble above.

s

suitable for meas

u

ectronic circuits whic

h

n

ics circuits, control s

c

h are directly connec

m

ents on mono-phas

e

y

means of a plug

ase appliances and ci

omestic environment

,

m

a CAT III- or 20m

a

d appliances, portabl

e

u

tion board …

s

NOT suitable for:

o

ve 500V

nts in/on low-volta

g

e

e

r box)

nts on (fixed) mono-

C

AT IV environments

(

s

bars, low-voltage di

s

n

ts on distribution eq

u

s

and equipment/circ

u

t e.

g

. circuits in shed

s

sin

g

under

g

round wir

s

device is only suita

b

v

ironments.

n

degree

p

ecifies different typ

e

c

tive measures are n

e

r

equire more protecti

o

f

ound in a certain en

v

ure properties. The p

o

m

ent the device may

b

pollution or only dry,

l

lution has no influen

c

c

losures).

ly nonconductive poll

u

n

ductivity caused by

c

i

ce environments fall

n

ductive pollution oc

c

a

t becomes conductiv

e

dustrial environment

s

t

not in contact with

p

e

pollution

g

enerates

s

t or by rain or snow.

v

ironments where hi

g

e

particles occur)

EVM831

6

h

can occur within the

u

rements up to 500

V

h

are not directly con

n

i

g

nals, circuits behin

d

ted to mains power,

b

e

appliances which ar

e

rcuits directly connec

t

,

provided that the ci

r

a

part from a CAT IV-

e

e

tools, li

g

ht circuits

a

distribution boards (

d

or poly-phased appli

a

(

e.

g

. mains outlets, el

s

tribution boards and

u

ipment and outdoor

u

its outside or remot

e

s

,

g

arden houses and

in

g

e.

g

.

g

arden li

g

hti

n

b

le for measurements

e

s of pollution environ

e

cessary to ensure sa

f

o

n, and the protectio

n

v

ironment depends m

a

o

llution de

g

ree ratin

g

b

e used.

nonconductive pollu

t

c

e (only to be found i

n

u

tion occurs. Occasio

n

c

ondensation is to be

under this cate

g

ory).

c

urs, or dry noncondu

c

e

due to condensatio

n

s

and environments e

x

p

recipitation).

persistent conductivi

t

(exposed outdoor en

h humidity levels or

h

©Velleman n

v

environment of use.

V

on:

n

ected to mains pow

e

d

isolatin

g

transforme

r

b

ut limited to:

e

connected to the

t

ed to the mains in a

r

cuit is at least 10m

e

nvironment. E.

g

.

a

t more than 10m fro

m

d

istribution boards

a

nces and circuits in

ectric ovens, li

g

htin

g

circuit breakers).

installations includin

g

e

from the domestic

free-standin

g

g

ara

ge

ng

, pool-pump...

up to 500V in CAT

I

ments, for which

f

ety. Harsher

n

a

g

ainst the pollutio

n

a

inly on the insulatio

n

of the DVM indicates

t

ion occurs. The

n

hermetically sealed

n

ally, temporary

expected (home and

c

tive pollution occurs

n

that is to be expect

e

x

posed to outside air

t

y caused by conducti

v

vironments and

h

i

g

h concentrations o

f

v

e

r,

r

…

m

g

e

s,

I

I

n

n

in

e

d

-

v

e

f

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